OUR SITE PLANS ARE NOT A SURVEY, NOR ARE THEY INTENDED TO REPLACE ONE. LEARN MORE ABOUT NON-CERTIFIED SITE PLANS HERE.

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The #1 site plan drafting service for contractors, homeowners and property managers.

  • No Site Visit Required*

  • Satellite & GIS-Based Measurements*

  • All Our Drafters Are Drafterra Certified*

  • Guaranteed Acceptance by Building Departments & HOAs*

 
case studies
Medium Site Plan MD Deck and Patio Permit

Medium Site Plan – MD Deck and Patio Permit Case Study

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Detailed Site Plan MD Screen Porch Permit

Detailed Site Plan – MD Screen Porch Permit Case Study

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Detailed Site Plan MD Building Permit

Detailed Site Plan – MD Building Permit Case Studies

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Medium Site Plan ME Skylight Permit

Medium Site Plan – ME Skylight Permit Case Study

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Detailed Site Plan MD Fence Permit

Detailed Site Plan – MD Fence Permit Case Study

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Detailed Site Plan MD Riprap Permit

Detailed Site Plan – MD Riprap Permit Case Study

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Guaranteed Accepted Site Plan

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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.

Additional Features For Site Plans in Maryland

Do you need more granular site plans or need a faster turnaround? Simply add optional features to your order during the checkout process.

Unsure Which Site Plan is Right for Your Maryland Commercial Property

Whether you're developing a coastal property, an urban project, or a site with historical significance, MySitePlan offers a full suite of services, including detailed floor plans, elevation drawings, 3D renderings, and comprehensive site plans. We deliver the speed and quality needed to bring your vision to life in Maryland.

Happy Customers in Maryland

At MySitePlan.com, we've helped thousands of satisfied customers in Maryland get their site plans online. 

Site Plan Maryland Reviews:
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★★★★★
Terrific

I sent our plat and instantly got a Site Plan! I had been unsuccessful trying to do one for myself. So am glad I found MySitePlan. Terrific service and definitely a speedy one.

Susan B.

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Getting Your Site Plan Approved in Maryland

MySitePlan is the perfect solution for site planning and permitting in Maryland, offering a customized approach to meet the state's diverse planning requirements. Whether you're developing in coastal areas, historic cities, or rural landscapes, our system simplifies the often complex permitting process. MySitePlan ensures that your projects meets local and state regulations, allowing for smooth progress from draftingh to approval.

We’ve delivered more site plans than all our competitors combined

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CERTIFIED REVIEWS

Loved by thousands of homeowners, contractors, and property managers.

We’ll just let our customers do the talking for us.

Guaranteed Accepted Site Plan
WHERE WE WORK

Site Plans approved in every county in every state

Why Choose MySitePlan for Maryland Site Plans

Whether you need a site plan for a building permit, deck permit, fencing permit, or HOA submission anywhere in Maryland — from Baltimore and Annapolis to Rockville, Gaithersburg, and Frederick — MySitePlan delivers professionally drafted, permit-ready plans in 24 hours, starting at just $99.

  • 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 Maryland homeowners, contractors, and property managers for permit and HOA submissions.

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

Maryland's Building Permit Landscape

Last reviewed: April 2026

Building permits in Maryland are administered at the county and municipal level. Each of Maryland's 23 counties and Baltimore City operates its own permitting department — and incorporated cities within those counties often issue their own permits separately. That means requirements in Annapolis can differ from Anne Arundel County's, and Silver Spring's process is governed by Montgomery County's Department of Permitting Services, not a separate city office.

For nearly every construction project — new homes, additions, decks, sheds, fences, pools, and solar systems — a site plan is a required part of the permit application. In Montgomery and Prince George's counties, the Maryland–National Capital Park and Planning Commission (M–NCPPC) must approve zoning and site plans before building permits can be issued, adding an important pre-permit step. Projects impacting wetlands, waterways, or floodplains also require approval from the Maryland Department of the Environment (MDE) before local permits proceed.

Maryland's Chesapeake Bay Critical Area Law further expands site plan requirements for properties near the bay or its tributaries — particularly in Anne Arundel, Calvert, and other coastal counties — where additional mitigation plans must accompany any development application.

Common Maryland Projects That Require a Site Plan

Most residential and commercial projects in Maryland will require a site plan at some stage. Common triggers include:

  • New residential construction — required statewide across all 23 counties and Baltimore City
  • Commercial building permits — Baltimore County's Department of Permits, Approvals and Inspections (PAI) requires site plans alongside construction documents
  • Room additions — especially on properties served by well and septic systems in Baltimore County
  • Fencing permits — required in Baltimore City and Baltimore County; even fences under 6 feet may require a zoning review for setback and visibility triangle compliance
  • Deck and screened porch permits — Prince George's County requires three copies of a site plan showing the location and dimensions of any proposed deck
  • Shed and accessory structure permits — in Gaithersburg, a permit and site plan are required for sheds regardless of size
  • Swimming pool permits — required across most Maryland jurisdictions with setback verification
  • Demolition permits — required county-by-county throughout Maryland
  • Grading permits — Calvert County requires site plans for projects exceeding 5,000 SF of land disturbance or 100 cubic yards of excavation
  • Retaining wall and landscape permits — common in hillside and Critical Area properties
  • Solar energy system permits — now accompanied by Maryland House Bill 830's EV charging infrastructure requirement for all new dwellings
  • HOA architectural modification submissions — required before county permit applications for fences, decks, patios, and additions in communities throughout Maryland
  • Sign permits — commercial properties in Maryland require site plans showing signage placement and setbacks
  • In-water and pier construction permits — subject to MDE and Critical Area review in coastal counties
  • Change of occupancy permits — required when converting a residential structure to commercial use
  • Parking lot and driveway permits — commercial site plans for new or expanded parking areas are required by most Maryland counties

Need a Site Plan for Your Maryland Project?

Professional site plans starting at $99 — delivered in 24 hours, no site visit required. Trusted by 80,000+ property owners nationwide.

Maryland's Unique Permitting Environment

Maryland's permitting system is more layered than most states. In Montgomery and Prince George's counties, the M–NCPPC reviews and approves site plans, subdivision plats, and tree conservation plans as a required step before any local building permit is issued. In Prince George's County specifically, building permits in certain zones cannot be issued at all until both a conceptual and a detailed site plan have been approved by the Planning Board. Maryland counties also hold substantial home-rule authority, meaning each jurisdiction can add its own zoning rules, fee schedules, and environmental controls on top of state minimums — so a project in Bowie may face different requirements than an identical project in Frederick.

The Chesapeake Bay Critical Area Law is a uniquely Maryland consideration. Properties within 1,000 feet of the bay or its tidal tributaries — common in Anne Arundel and Calvert counties — must comply with state Critical Area regulations, which often require management plans and mitigation plans alongside the standard site plan submission. For properties statewide, Maryland House Bill 830 (effective October 1, 2023) now requires all new dwellings to include EV charging infrastructure, a detail that must be reflected in new construction planning documents. If your project involves impervious surfaces, A Guide to Impervious Surface Calculation can help you understand what may be required at the county level.

How MySitePlan Works for Maryland Property Owners

Ordering is simple: provide your Maryland property address and project details online, and your Drafterra Certified drafter will deliver a professionally drafted plan within 24 hours. No scheduling, no site visit, no waiting.

  • Basic Site Plan: $99 — property lines, primary structure roofline, lot dimensions, north arrow, scale
  • Medium Site Plan: $119 (most popular — ideal for most Maryland building permit and HOA applications)
  • Detailed Site Plan: $159 — adds paths, shrubs, landscaping, septic/utilities
  • Commercial Site Plan: $179 — parking, ingress/egress, dumpster areas
  • Commercial "The Works": $279 — adds legal setbacks, topography, impervious surface calculation, DWG file, vicinity map

24-Hour Turnaround on Every Maryland 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 Maryland Site Plan →

📍Need a site plan in a nearby state?

Trusted Across Maryland — from Baltimore to Bowie

MySitePlan is a veteran-owned company with 80,000+ site plans delivered and 8,000+ verified five-star reviews from property owners, contractors, and HOA communities nationwide — including throughout Maryland. Plans have been accepted by building departments in Baltimore, Rockville, Annapolis, Gaithersburg, Frederick, Silver Spring, Bowie, and beyond.

All plans are drafted by Drafterra Certified drafters held to rigorous standards of technical proficiency. Whether you're navigating Baltimore County's PAI office, Montgomery County's M–NCPPC pre-permit review, or a Prince George's County deck permit requiring three site plan copies, MySitePlan delivers accurate, permit-ready documents that meet local submission standards — fast, affordably, and without a site visit.

Maryland counties served
County Permit Authority Site Plan Notes
Montgomery County Department of Permitting Services & M‑NCPPC The Maryland–National Capital Park and Planning Commission (M‑NCPPC) must approve zoning and site plans before building permits can be issued. Montgomery County also requires two copies of a site plan showing topography as part of sediment control permit applications, and a site plan is required for use-and-occupancy certificate applications.
Prince George's County Dept. of Permitting, Inspections & Enforcement (DPIE) & M‑NCPPC Planning Board Building permits cannot be issued in certain zones until the M‑NCPPC Planning Board approves conceptual and/or detailed site plans. Deck permit applications require three copies of a site plan showing the location and dimensions of the proposed structure.
Baltimore County Dept. of Permits, Approvals & Inspections (PAI) Site plans are required for commercial permits (submitted alongside construction plans) and for additions or alterations affecting the exterior of a building — especially on properties served by well and septic systems. Residential fences over 6 feet and all commercial fences require a permit; fences under 6 feet may still require zoning review for setback and visibility triangle compliance.
Anne Arundel County Office of Inspections & Permits Site plans are required for new construction, additions, decks, pools, and accessory structures. Properties near the Chesapeake Bay or its tributaries are subject to Maryland's Critical Area Law, which requires additional site plan documentation and mitigation plans for development within the Critical Area.
Baltimore City Baltimore City Dept. of Housing & Community Development A permit is required to build any new fence in Baltimore City; front yard fences are limited to 42 inches in height and side/rear yard residential fences to 6 feet. Site plans are required for new construction, additions, decks, and accessory structures, with zoning review confirming setback compliance.
Howard County Department of Planning & Zoning Site plans are required for new construction, additions, decks, sheds, pools, and fences. Plans must show all property lines, setbacks, existing structures, and the location of proposed improvements drawn to scale.
Frederick County Department of Permits & Inspections Site plans are required for building permits covering new construction, additions, decks, accessory structures, and pools. Plans must be drawn to an engineer's scale showing property lines, setbacks, and the location of all existing and proposed structures.
Harford County Department of Planning & Zoning Site plans are required for residential and commercial building permits, including new construction, additions, decks, sheds, and swimming pools. Plans must show property lines, setbacks, and the placement of all existing and proposed structures.
Carroll County Bureau of Permits & Inspections Site plans are required for new construction, additions, accessory structures, decks, and pools. Plans must be drawn to scale and show all property lines, structures, setbacks, and easements. HOA communities frequently require architectural plan submissions prior to county permit applications.
Charles County Department of Planning & Growth Management Site plans are required for new residential and commercial construction, additions, decks, and accessory structures. Plans must show all property lines, setbacks, and proposed improvements drawn to an engineer's scale.
Washington County Department of Plan Review & Permitting Site plans are required for new construction, additions, accessory structures, decks, and pools. Plans must show property boundaries, setbacks, and the location of all existing and proposed structures drawn to scale.
St. Mary's County Department of Land Use & Growth Management Site plans are required for building permits covering new construction, additions, decks, sheds, and pools. Properties near the Patuxent River or Chesapeake Bay tributaries may be subject to Critical Area Law requirements, adding environmental review to the site plan submission.
Cecil County Cecil County Department of Planning & Zoning Site plans are required for new construction, additions, accessory structures, decks, and pools. Plans must show all property lines, setbacks, and the location of proposed improvements. Properties near waterways may be subject to MDE environmental permit requirements prior to local building permits.
Wicomico County Wicomico County Dept. of Development Review & Permitting Site plans are required for new construction, additions, accessory structures, and decks. Plans must show property lines, setbacks, and the placement of existing and proposed structures drawn to scale.
Calvert County Department of Planning & Zoning Grading permit applications are required for projects disturbing more than 5,000 SF of land or involving more than 100 cubic yards of excavation/fill, and must include site plans prepared by a licensed professional. Calvert County properties near the Chesapeake Bay are subject to Maryland's Critical Area Law, requiring additional site plan documentation and environmental review.
Allegany County Allegany County Dept. of Community Development Site plans are required for new construction, additions, accessory structures, and decks. Plans must show property lines, setbacks, and the location of all existing and proposed improvements drawn to an engineer's scale.
Worcester County Worcester County Dept. of Development Review & Permitting Worcester County properties near the Chesapeake Bay, its tributaries, or the Atlantic coastal bays are subject to Maryland's Critical Area Law, requiring additional site plan documentation and mitigation plans. Site plans are required for new construction, additions, decks, pools, and accessory structures.
Queen Anne's County Queen Anne's County Dept. of Planning & Zoning Many Queen Anne's County properties border the Chesapeake Bay or its tributaries and are subject to Maryland's Critical Area Law, which requires supplemental site plan documentation and environmental mitigation plans in addition to standard building permit submissions.
Talbot County Talbot County Dept. of Planning & Zoning Talbot County's location on the Eastern Shore of the Chesapeake Bay means a significant portion of properties fall within the Critical Area, requiring additional site plan and mitigation plan submissions per Maryland's Critical Area Law. Site plans are required for new construction, additions, decks, and accessory structures.
Caroline County Caroline County Dept. of Planning & Codes Site plans are required for new construction, additions, accessory structures, and decks. Plans must show property boundaries, setbacks, and the placement of all existing and proposed improvements. Properties near the Choptank River may be subject to MDE wetland and waterway permit requirements.
Dorchester County Dorchester County Dept. of Planning & Zoning Dorchester County is heavily bordered by the Chesapeake Bay and tidal tributaries; a large share of properties fall within Maryland's Critical Area, requiring additional environmental site plan documentation and mitigation plans alongside standard building permit submissions.
Garrett County Garrett County Dept. of Planning & Land Management Site plans are required for new construction, additions, accessory structures, decks, and pools. Projects near Deep Creek Lake or other waterways may require MDE environmental permits before local building permits can be issued.
Somerset County Somerset County Dept. of Planning & Zoning Site plans are required for new construction, additions, decks, and accessory structures. Somerset County's coastal and tidal geography means many properties are subject to Maryland's Critical Area Law and MDE wetland permit requirements prior to local building permit issuance.
Kent County Kent County Dept. of Planning & Zoning Site plans are required for new construction, additions, accessory structures, and decks. Properties along the Chester River or Chesapeake Bay shoreline may fall within Maryland's Critical Area, requiring supplemental environmental site plan documentation per state law.

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Do I need a site plan for my HOA in Maryland?

Do I need a site plan for a deck, fence, shed, or pool permit in Maryland?

What are the site plan requirements for properties near the Chesapeake Bay or Maryland waterways?

Does Baltimore County require a site plan for well and septic properties?

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