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We value your satisfaction. We’ll make unlimited revisions to ensure your site plan gets accepted. However, you can also request your money back if you haven’t required a stamped, signed or sealed plan.

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Getting Your Site Plan Approved in California

California’s dynamic landscape—from its coastal developments and mountain communities to dense urban hubs and wildfire-prone regions—demands a strategic, detail-oriented approach to site planning and permitting. MySitePlan is the ideal solution for property owners, developers, and contractors across the state, delivering high-quality, permit-ready site plans designed to align with California’s complex zoning codes, environmental regulations, and local jurisdiction requirements. Whether you're planning an ADU in Los Angeles, a hillside build in San Diego, a commercial renovation in San Francisco, or a residential project in Sacramento, our platform simplifies the process by helping you stay compliant with state and municipal standards—saving time, reducing setbacks, and keeping your project moving forward.

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Site Plans approved in every county in every state

Why Choose MySitePlan for California Site Plans

Whether you need a site plan for a building permit, ADU, pool, fencing, or HOA submission anywhere in California — from Los Angeles and San Diego to Sacramento and San Francisco — MySitePlan delivers professionally drafted plans in 24 hours, starting at just $99. No site visit, no surveyor scheduling, no waiting.

  • 24-hour turnaround on every order — no site visit, no scheduling.
  • Transparent flat-rate pricing starting at $99 — no surveyor cost, no hidden fees.
  • Veteran-owned, with 80,000+ site plans delivered and 8,000+ verified five-star reviews.
  • Drafted remotely by Drafterra Certified drafters using GIS lot-line data and satellite imagery.
  • Trusted by California homeowners, contractors, and property managers for permit and HOA submissions.

Our site plans are not a survey, nor are they intended to replace one.

California's Building Permit Landscape: What You Need to Know

Last reviewed: April 2026

California has some of the strictest permitting requirements in the country. Under the California Contractors State License Board (CSLB) guidelines, no building or structure may be erected, enlarged, altered, repaired, or demolished without first obtaining a permit. That permit application — in virtually every California jurisdiction — requires a site plan.

Building permits in California are issued by local jurisdictions, not the state. However, all plans are reviewed against the California Code of Regulations Title 24 (the California Building Standards Code) and CALGreen, the state's mandatory green building code. What each city or county requires on your site plan can vary — but the statewide frameworks shape expectations everywhere.

Major building departments across California — including the California Department of Housing and Community Development (HCD), LADBS in Los Angeles, San Diego's Development Services Department (DSD), and Sacramento's Community Development Department (CDD) — all require a compliant site plan as a foundational document before permit review can begin.

Common California Projects That Require a Site Plan

Nearly every exterior improvement in California triggers a permit — and nearly every permit requires a site plan. Here are the most common project types:

  • Room additions — required by building departments in Los Angeles, San Diego, Sacramento, Fresno, Oakland, and beyond to verify setbacks and lot coverage compliance.
  • Accessory Dwelling Units (ADUs) — California's ADU-friendly laws (AB 670, Civil Code §4751) have driven a surge in ADU permits statewide; a site plan is required for every ADU application.
  • Detached garage permits — required to show placement, setbacks, and proximity to existing structures.
  • Fencing permits — especially for corner-lot fences, fences over standard height thresholds, and fences in hillside or coastal zones across California.
  • Swimming pool and spa permits — San Diego's DSD and LADBS both require a site plan showing pool placement, safety setbacks, and equipment locations.
  • Deck and patio cover permits — required in cities including San Jose, Long Beach, and Fresno to verify structural placement and zoning compliance.
  • Driveway permits — necessary when adding, widening, or relocating a driveway approach in California jurisdictions.
  • Retaining wall and grading permits — required for hillside areas and grading/drainage projects subject to CEQA environmental review.
  • Landscape permits — increasingly required in drought-conscious California jurisdictions adopting water-efficient landscaping standards.
  • Sign permits — required for commercial signage installations across California cities.
  • Solar and BESS (battery energy storage) permits — a fast-growing permit category in California, with site plans needed to document equipment placement and clearances.
  • Demolition permits — required statewide before any structure is removed; Sacramento's CDD and LADBS both require a site plan showing what is being demolished and what remains.
  • HOA architectural approval submissions — California HOAs governed by the Davis-Stirling Act require pre-approval for virtually all exterior modifications; a clearly drawn site plan is the most effective tool for getting your project approved quickly.
  • Short-term rental licensing — some California municipalities require a site plan as part of STR permit applications.

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California's Unique Permitting Environment

California's regulatory landscape goes well beyond a standard zoning check. Los Angeles (LADBS) requires a site plan — called a "plot plan" — for virtually all permit applications, with additional detail requirements for properties in Very High Fire Hazard Severity Zones. Following the January 2025 wildfires, LADBS implemented expedited permitting pathways for fire-impacted properties, where an accurate, up-to-date site plan is critical to a fast resubmission. San Diego's DSD adds further complexity, requiring site plans to address coastal overlay zones, MHPA buffers, environmentally sensitive lands, and brush management setbacks of 50–100 feet.

Sacramento's CDD requires site plans to document FEMA flood zones, heritage tree locations, and stormwater quality compliance under the Sacramento Stormwater Quality Partnership. Sonoma County's Permit Sonoma goes further still — requiring site plans for all building and engineering applications, including interior remodels and pool resurfacing. Projects with broader environmental impacts may also trigger review under CEQA, and projects requiring discretionary approvals may need a full Environmental Impact Report (EIR). Understanding the risks of building without a permit is especially important in California, where enforcement is robust and unpermitted work can complicate a future sale.

How MySitePlan Works for California Property Owners

Ordering is simple: provide your California property address and project details online, and your Drafterra Certified drafter gets to work immediately. Most orders are delivered within 24 hours — no scheduling, no appointments, no site visit.

  • Basic Site Plan: $99 — property lines, primary structure roofline, lot dimensions, north arrow, and scale.
  • Medium Site Plan: $119 (most popular — ideal for most California building permit and HOA applications) — adds measurements between features, trees, driveway, accessory structures, and swimming pool.
  • Detailed Site Plan: $159 — adds paths, shrubs, landscaping, and utility/septic detail; best for complex California residential permits.
  • Commercial Site Plan: $179 — includes parking, ingress/egress, dumpster areas, and parking space counts.
  • Commercial "The Works": $279 — adds legal setbacks, topography, impervious surface calculations, vicinity map, and DWG file.

24-Hour Turnaround on Every California Order

Order online, provide your property address, and receive your professionally drafted plan within 24 hours — no scheduling, no site visit, no waiting.

Get Your California Site Plan →

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Trusted by California Property Owners, Contractors, and HOAs

MySitePlan has delivered more than 80,000 site plans accepted by building departments and HOAs nationwide — including jurisdictions across California, from LADBS in Los Angeles to the DSD in San Diego and Sacramento's CDD. We're a veteran-owned company with 8,000+ verified five-star reviews, and every plan is drafted by a Drafterra Certified professional to meet the level of detail local California plan checkers expect.

Whether you're submitting to a California HOA architectural committee under the Davis-Stirling Act, pulling an ADU permit in San Jose, or rebuilding after a fire event in Los Angeles County, MySitePlan gives you a professionally drafted, permit-ready document — fast, affordable, and without the cost of a full survey.

California counties served
County Permit Authority Site Plan Notes
Los Angeles County LA County Department of Regional Planning; City of Los Angeles — LADBS (Los Angeles Department of Building & Safety) Site plans (called “plot plans” by LADBS) required for virtually all building permit applications. Additional detail required for properties in Very High Fire Hazard Severity Zones; expedited permitting available for properties impacted by the January 2025 wildfires.
San Diego County County of San Diego Planning & Development Services; City of San Diego Development Services Department (DSD) Site plans required by DSD for all building permit applications to verify compliance with the San Diego Municipal Code and Land Development Code. Plans must address coastal overlay zones, environmentally sensitive lands, wetland buffers (50–100 ft), and MHPA 100-foot buffers.
Orange County OC Public Works — Building & Safety; individual city building departments for incorporated areas Site plans required for all building permit applications in unincorporated areas and by incorporated cities countywide. Projects in coastal zones must additionally comply with California Coastal Commission requirements.
Riverside County Riverside County Planning Department; individual city building departments for incorporated areas Site plans required for all building permit applications. Many unincorporated areas fall within Very High Fire Hazard Severity Zones, requiring additional site plan detail for defensible space and access. ADU permits are common and always require a site plan.
San Bernardino County San Bernardino County Land Use Services — Building & Safety; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, pools, and accessory structures. The county’s large unincorporated area includes desert, mountain, and wildland-urban interface zones that may trigger additional site plan requirements.
Santa Clara County County of Santa Clara Planning Department; individual city building departments for incorporated areas (e.g., City of San Jose Building Division) Site plans required for all building permit applications. San Jose, the county seat and one of California’s largest cities, requires site plans for new construction, additions, ADUs, pools, and fencing. Hillside areas may trigger additional grading and drainage plan requirements.
Alameda County Alameda County Planning Department; individual city building departments for incorporated areas (e.g., City of Oakland Planning & Building Department) Site plans required for all building permit applications in unincorporated areas and by all incorporated cities. Oakland requires site plans for additions, ADUs, decks, pools, and fencing. Hillside and Wildfire Hazard Areas may trigger additional detail requirements.
Sacramento County Sacramento County Planning & Environmental Review; City of Sacramento Community Development Department (CDD) Site plans required for all building permit applications to verify compliance with Title 17 of the Sacramento City Code. Plans must show FEMA flood zone boundaries, heritage tree locations, and stormwater quality compliance per the Sacramento Stormwater Quality Partnership.
Contra Costa County Contra Costa County Department of Conservation & Development; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, pools, and accessory structures. Wildland-urban interface areas in the East Bay hills may require additional fire-safety site plan detail. Coastal and marsh buffer areas near the Delta also apply to some parcels.
Fresno County Fresno County Planning & Development; City of Fresno Development & Resource Management Department Site plans required for all building permit applications. The City of Fresno requires site plans for new construction, additions, ADUs, pools, and fencing. Agricultural parcels in unincorporated areas may have additional zoning overlay considerations.
Kern County Kern County Planning & Natural Resources Department; City of Bakersfield Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Oil and gas overlay zones are common in unincorporated Kern County and may affect setback requirements shown on site plans. Wind and solar energy project permits also require detailed site plans.
Ventura County Ventura County Planning Division; individual city building departments for incorporated areas Site plans required for all building permit applications. Properties in Very High Fire Hazard Severity Zones — widespread across the county — require additional site plan detail. Coastal zone parcels must also comply with California Coastal Commission guidelines.
San Francisco County SF Department of Building Inspection (DBI); SF Planning Department for zoning review San Francisco is a consolidated city-county; all building permit applications are processed through DBI. Site plans must demonstrate compliance with the San Francisco Building Code and local zoning, including strict lot coverage and height limits in dense urban neighborhoods. ADU permits are common and always require a site plan.
San Joaquin County San Joaquin County Community Development Department; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, pools, and accessory structures. The San Joaquin Delta and FEMA floodplain areas affect many parcels, and site plans must reflect floodplain status and stormwater management requirements.
San Mateo County San Mateo County Planning & Building Division; individual city building departments for incorporated areas Site plans required for all building permit applications. Coastal zone parcels require California Coastal Commission compliance. Hillside and landslide-prone areas are common throughout the county and may require geotechnical detail alongside the site plan submission.
Stanislaus County Stanislaus County Planning & Community Development; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Agricultural preserve and Williamson Act contract parcels are common in unincorporated areas and may impose additional land use restrictions visible on site plans.
Sonoma County Permit Sonoma (Sonoma County Permit & Resource Management Department); individual city building departments for incorporated areas Permit Sonoma requires site plans for all building and engineering permit applications, including interior remodels and pool resurfacing — one of the broadest requirements in California. Properties in fire-affected zones (following 2017 and 2019 wildfires) may have additional documentation requirements.
Tulare County Tulare County Resource Management Agency — Building & Development Services; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, pools, and accessory structures. Agricultural zoning overlays are prevalent in unincorporated areas. Sierra Nevada foothill properties may trigger additional fire hazard severity zone requirements.
Solano County Solano County Department of Resource Management; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Properties near the Sacramento–San Joaquin Delta may be subject to FEMA floodplain requirements that must be reflected on the site plan.
Santa Barbara County Santa Barbara County Planning & Development; individual city building departments for incorporated areas Site plans required for all building permit applications. Coastal zone parcels — extensive along the Santa Barbara coastline — require California Coastal Commission compliance. Very High Fire Hazard Severity Zones affect hillside and foothill properties throughout the county.
Monterey County Monterey County Resource Management Agency — Planning; individual city building departments for incorporated areas Site plans required for all building permit applications. Coastal development permits are required for many parcels along Big Sur and the Monterey Peninsula, and site plans must demonstrate compliance with Local Coastal Programs and environmentally sensitive habitat area setbacks.
Placer County Placer County Community Development Resource Agency; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, pools, and accessory structures. Sierra Nevada foothill and mountain properties are subject to Very High Fire Hazard Severity Zone requirements and may need to show defensible space on the site plan. Tahoe Basin parcels fall under Tahoe Regional Planning Agency (TRPA) jurisdiction.
Merced County Merced County Planning & Community Development; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Agricultural preserve parcels and FEMA floodplain areas along the San Joaquin River affect many properties in unincorporated areas and may impose additional site plan detail requirements.
San Luis Obispo County San Luis Obispo County Planning & Building; individual city building departments for incorporated areas Site plans required for all building permit applications. Coastal zone parcels along the Pacific Coast Highway corridor require California Coastal Commission compliance. Agricultural land use and groundwater sustainability overlays are also common considerations in unincorporated areas.
Santa Cruz County Santa Cruz County Planning Department; individual city building departments for incorporated areas Site plans required for all building permit applications. Coastal zone parcels require Local Coastal Program compliance. Geologic hazard areas, landslide zones, and tsunami inundation zones are common and may trigger additional site plan documentation requirements.
Marin County Marin County Community Development Agency; individual city building departments for incorporated areas Site plans required for all building permit applications. Coastal parcels must comply with the California Coastal Act and Marin’s Local Coastal Program. Very High Fire Hazard Severity Zones are widespread; site plans for wildland-adjacent properties may need to show vegetation setbacks and access routes.
Yolo County Yolo County Planning & Public Works; individual city building departments for incorporated areas (e.g., City of Davis Building Division) Site plans required for new construction, additions, ADUs, and accessory structures. FEMA floodplain areas along the Sacramento River and Cache Creek affect some parcels, requiring flood zone documentation on the site plan. Agricultural preserve overlays are also common in unincorporated areas.
Butte County Butte County Development Services; individual city building departments for incorporated areas Site plans required for all building permit applications. The county was severely impacted by the 2018 Camp Fire; rebuilding projects may qualify for streamlined permitting but still require complete site plans. Very High Fire Hazard Severity Zones are prevalent and require additional site plan detail for new construction.
El Dorado County El Dorado County Development Services — Building Division; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, pools, and accessory structures. Sierra Nevada foothill and mountain properties are subject to Very High Fire Hazard Severity Zone requirements. Tahoe Basin parcels fall under Tahoe Regional Planning Agency (TRPA) jurisdiction with additional plan requirements.
Shasta County Shasta County Resource Management Division; City of Redding Development Services for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Very High Fire Hazard Severity Zones cover significant portions of the county; site plans must reflect defensible space and setback requirements. The City of Redding requires site plans for all permit applications.
Imperial County Imperial County Planning & Development Services; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Desert climate conditions and proximity to the Salton Sea may involve floodplain and environmental overlay considerations. Renewable energy project permits (solar, geothermal) are common and require detailed site plans.
Madera County Madera County Planning & Building; City of Madera Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Sierra Nevada foothill properties are subject to Very High Fire Hazard Severity Zone requirements. Agricultural preserve parcels are widespread in the San Joaquin Valley portion of the county.
Kings County Kings County Planning Department; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Agricultural and Williamson Act contract parcels are prevalent throughout the county. Site plans must demonstrate compliance with local zoning and setback requirements for agricultural zones.
Humboldt County Humboldt County Planning & Building; City of Eureka Building Division for incorporated areas Site plans required for all building permit applications. Coastal zone parcels — extensive along the North Coast — require Local Coastal Program compliance. Tsunami inundation zones, wetland buffers, and timber production zone overlays affect many properties and may require additional site plan detail.
Napa County Napa County Planning Building & Environmental Services; City of Napa Building Division for incorporated areas Site plans required for all building permit applications. Agricultural preserve and Williamson Act parcels are extensive across wine country. Properties in Very High Fire Hazard Severity Zones — including many hillside vineyard properties — require additional site plan detail for fire safety compliance.
Nevada County Nevada County Planning Department; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, pools, and accessory structures. Very High Fire Hazard Severity Zones cover the majority of the county; defensible space and access documentation are critical on site plan submissions. Tahoe Basin parcels fall under TRPA jurisdiction.
Sutter County Sutter County Department of Planning; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. FEMA floodplain areas are widespread in this Sacramento Valley county, and site plans must reflect flood zone boundaries and any levee setback requirements applicable to the parcel.
Mendocino County Mendocino County Planning & Building Services; individual city building departments for incorporated areas Site plans required for all building permit applications. Coastal zone parcels along the Mendocino Coast require Local Coastal Program compliance. Timber production zone overlays and Very High Fire Hazard Severity Zones affect many inland properties and may require additional site plan documentation.
Yuba County Yuba County Community Development & Services; City of Marysville Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Significant FEMA floodplain areas along the Yuba and Feather Rivers affect many parcels; site plans must reflect floodplain status and stormwater requirements. Very High Fire Hazard Severity Zones apply to foothill areas.
San Benito County San Benito County Planning & Building Department; City of Hollister Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Agricultural and grazing land overlays are common in unincorporated areas. The county is subject to active seismic zones along the Calaveras and San Andreas faults, which may influence setback and foundation documentation.
Lake County Lake County Community Development Department; City of Clearlake Building Division for incorporated areas Site plans required for all building permit applications. Lake County has some of the highest concentrations of Very High Fire Hazard Severity Zones in California following repeated wildfires (2015–2018); site plans must reflect fire safety setbacks and defensible space. Properties near Clear Lake may involve shoreline setback requirements.
Tehama County Tehama County Planning Department; City of Red Bluff Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Very High Fire Hazard Severity Zones are widespread; site plans must address defensible space and fire access requirements. Agricultural and timber production overlays also apply to many parcels in the county.
Tuolumne County Tuolumne County Community Resources Agency — Planning Division; City of Sonora Building Division for incorporated areas Site plans required for new construction, additions, ADUs, pools, and accessory structures. Very High Fire Hazard Severity Zones cover most of the county; site plans must reflect defensible space setbacks and fuel modification requirements. Properties near the Stanislaus River may have riparian buffer setback requirements.
Calaveras County Calaveras County Planning Department; Local building department — verify with your municipality for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Very High Fire Hazard Severity Zones are prevalent throughout this Gold Country foothill county. Site plans must reflect setbacks and access requirements; rural parcels on private roads may need to show road width and turnaround details.
Siskiyou County Siskiyou County Planning Department; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Very High Fire Hazard Severity Zones are widespread; site plans must address fire safety setbacks. Rural parcels with well and septic systems must show utility locations. Properties near rivers and floodplains may require FEMA floodplain documentation.
Amador County Amador County Planning Department; individual city building departments for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Very High Fire Hazard Severity Zones cover most of the county; defensible space and access documentation are critical. Agricultural and timber production zones also affect many rural parcels. Verify requirements with your local building department.
Lassen County Lassen County Planning & Building Services; City of Susanville Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. High desert and mountain climate conditions mean freeze–thaw cycles affect foundation setback documentation. Very High Fire Hazard Severity Zones and rural lot conditions requiring well and septic locations are common site plan considerations.
Glenn County Glenn County Planning & Public Works; City of Willows Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Agricultural and rice farming overlays are prevalent throughout this Sacramento Valley county. FEMA floodplain areas along the Sacramento River affect some parcels; verify flood zone status with the county before submitting your permit application.
Del Norte County Del Norte County Planning & Building; City of Crescent City Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Coastal zone parcels along the far North Coast require Local Coastal Program and California Coastal Commission compliance. Tsunami inundation zones and wetland buffers affect coastal parcels and may require additional site plan documentation.
Colusa County Colusa County Planning Department; City of Colusa Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Agricultural and rice farming overlays dominate the landscape; Williamson Act contract parcels are common. FEMA floodplain areas along the Sacramento River affect many properties and must be reflected on the site plan.
Plumas County Plumas County Planning Department; Local building department — verify with your municipality for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Very High Fire Hazard Severity Zones and mountain terrain are prevalent throughout the county. Properties in the Feather River watershed may have riparian buffer setback requirements. Well and septic locations must be shown for rural parcels.
Inyo County Inyo County Planning Department; City of Bishop Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. High desert and Eastern Sierra conditions influence setback and utility documentation requirements. Properties adjacent to Death Valley National Park or federal Bureau of Land Management lands may have additional boundary documentation requirements.
Mariposa County Mariposa County Planning Department; Local building department — verify with your municipality for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Very High Fire Hazard Severity Zones cover most of the county, and properties adjacent to Yosemite National Park may have additional land use and buffer considerations. Well and septic system locations must be shown on rural parcel site plans.
Trinity County Trinity County Planning Department; Local building department — verify with your municipality for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Timber production zones, Very High Fire Hazard Severity Zones, and remote rural conditions are common throughout the county. Riparian setbacks along the Trinity River and its tributaries must be reflected on site plans for affected parcels.
Mono County Mono County Planning Department; Mammoth Lakes Planning & Economic Development for incorporated areas Site plans required for new construction, additions, ADUs, pools, and accessory structures. High-altitude mountain conditions and snow load considerations influence site documentation. Mammoth Lakes resort area has active permit demand for ADUs and vacation rental improvements. Tahoe–Mono area properties may involve additional environmental overlay review.
Modoc County Modoc County Planning Department; City of Alturas Building Division for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. Remote rural conditions mean most parcels rely on well and septic systems; these utility locations must be shown on the site plan. Agricultural and rangeland overlays are prevalent throughout this sparsely populated northeastern county.
Sierra County Sierra County Planning Department; Local building department — verify with your municipality for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. As one of California’s least populous counties, most parcels are rural and require well and septic locations on site plans. High-elevation terrain, Very High Fire Hazard Severity Zones, and winter snow load conditions are standard site plan considerations.
Alpine County Alpine County Planning Department; Local building department — verify with your municipality for incorporated areas Site plans required for new construction, additions, ADUs, and accessory structures. As California’s least populous county, nearly all parcels are rural and high-elevation. Tahoe Basin parcels fall under Tahoe Regional Planning Agency (TRPA) jurisdiction with additional environmental plan requirements. Well and septic locations must be shown for all rural parcels.

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