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Site Plans approved in every county in every state
| County | Permit Authority | Site Plan Notes |
|---|---|---|
| Philadelphia County | Philadelphia Dept. of Licenses & Inspections (L&I) | A Zoning Permit is required before a Building Permit in most cases; a combination permit is mandatory for new 1–2 family residential construction. Demolition over 3 stories or 10,000 sq ft also requires a dust control permit. |
| Allegheny County | Pittsburgh Dept. of Permits, Licenses, and Inspections (PLI); municipal building departments for other municipalities | Pittsburgh permits are processed through the OneStopPGH portal; accessory structures under 200 sq ft are exempt from building permits in Pittsburgh. Deck footings must extend below the frost line — typically 36 inches in the Pittsburgh area — and frost-line documentation is commonly required. |
| Montgomery County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, sheds, pools, and fences per the PA UCC (34 Pa. Code § 403.42a). Verify requirements with your specific municipality, as all 62 townships and boroughs in Montgomery County administer permits independently. |
| Bucks County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, room additions, decks, pools, and accessory structures. Many Bucks County HOA communities require a separate architectural review submission with a site plan showing proposed structure locations and setbacks. |
| Delaware County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for all permitted construction activity per UCC. Fences between 30 inches and 6 feet require administrative zoning review; fences over 6 feet require a building permit and a site plan showing fence location and setbacks from lot lines. |
| Lancaster County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, accessory structures, and demolition permits throughout Lancaster County municipalities. Stormwater management compliance is required, and land disturbance over one acre may trigger NPDES permitting. |
| Chester County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for building permits across Chester County's municipalities. HOA architectural review is common throughout the county's many planned communities, with site plans showing proposed improvements, dimensions, and distances from lot lines typically required. |
| York County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, pools, sheds, and demolition permits. York County municipalities follow the PA UCC; frost depth ranges from approximately 36 inches, making deck footing specifications a key component of submitted plans. |
| Berks County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for permitted construction in Reading and across Berks County municipalities. Zoning permits are broadly required whenever a property owner builds a structure, adds on, or changes land use; a site plan is standard with each submission. |
| Lehigh County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Allentown and surrounding Lehigh County municipalities require site plans for new construction, additions, decks, pools, and accessory structures. Verify specific submission requirements with your municipality, as opt-in and opt-out status varies across the county. |
| Westmoreland County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, room additions, decks, sheds, and demolition permits across Westmoreland County municipalities. Frost depth in this region is approximately 36 inches, relevant for deck and foundation permit submissions. |
| Luzerne County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures in Wilkes-Barre and throughout Luzerne County. Frost depth is approximately 42 inches in this northern-tier region, making footing depth documentation important for deck and foundation permits. |
| Northampton County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for building and zoning permits across Northampton County municipalities including Easton and Bethlehem. Stormwater management compliance is standard, and land disturbance over one acre may trigger NPDES erosion and sedimentation control requirements. |
| Dauphin County | Harrisburg Bureau of Codes (City of Harrisburg); municipal building departments for other municipalities | In Harrisburg, sheds over 200 sq ft require a building permit; structures in historic districts require Historic Review Board approval in addition to standard permitting. Site plans must show proposed structure location, dimensions, and distances from all lot lines. |
| Cumberland County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, decks, pools, fences, and accessory structures throughout Cumberland County. Many townships in the county require HOA approval letters to be submitted alongside building permit applications. |
| Erie County | Erie Bureau of Building & Inspection (City of Erie); municipal building departments for other municipalities | In the City of Erie, sheds over 100 sq ft typically require a building permit with a site plan. Frost depth in Erie County reaches 42 inches or more, making accurate footing documentation critical for deck and foundation permit submissions. |
| Lackawanna County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures in Scranton and throughout Lackawanna County. Frost depth is approximately 42 inches in this northeastern region, affecting deck footing requirements submitted with building permits. |
| Washington County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, decks, pools, and accessory structures across Washington County municipalities. Verify permit authority with your municipality, as opt-in and opt-out status varies across the county's townships and boroughs. |
| Butler County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Butler County. Fences between 30 inches and 6 feet require administrative zoning review; over 6 feet require a full building permit with site plan. |
| Monroe County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Monroe County includes the Pocono region, where frost depth reaches 42 inches or more — deck footing depth specifications are critical in permit submissions here. Site plans are required for new construction, additions, decks, pools, and accessory structures throughout the county. |
| Beaver County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, decks, and accessory structures across Beaver County municipalities. Verify specific submission requirements with your township or borough, as UCC administration varies by municipality. |
| Franklin County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, room additions, decks, pools, sheds, and demolition permits across Franklin County. Zoning permits are broadly required for any new structure or land use change; a site plan is standard with each submission. |
| Centre County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures in State College and throughout Centre County. Land disturbance projects over one acre may require NPDES permits and erosion/sedimentation control plans in addition to the standard site plan. |
| Lebanon County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for building and zoning permits across Lebanon County municipalities. Fences between 30 inches and 6 feet require administrative zoning review, and a site plan showing the fence line and setbacks from lot lines is standard for these submissions. |
| Schuylkill County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, accessory structures, and demolition permits throughout Schuylkill County. Verify your municipality's UCC opt-in or opt-out status to determine whether permits are processed locally or through a certified third-party agency. |
| Cambria County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, pools, and accessory structures across Cambria County municipalities including Johnstown. Frost depth in this region is approximately 36–42 inches; deck footing depth documentation is important for permit submissions. |
| Fayette County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Fayette County. Zoning permits are required whenever a property owner builds a structure or adds onto an existing building; verify requirements with your local municipality. |
| Blair County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, and accessory structures in Altoona and throughout Blair County. Site plans must be drawn to scale and show structure location, lot line distances, and street grade per 34 Pa. Code § 403.42a. |
| Lycoming County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures in Williamsport and throughout Lycoming County. Frost depth in this north-central region reaches approximately 42 inches, which is relevant for deck and foundation permit submissions. |
| Mercer County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, decks, pools, and accessory structures across Mercer County municipalities. Verify your municipality's UCC opt-in or opt-out status to confirm whether permits are issued locally or through a certified third-party agency. |
| Adams County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Adams County, including the Gettysburg area. Historic districts may require additional review beyond standard building permits; verify with your local municipality. |
| Northumberland County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Northumberland County. Site plans must be drawn to scale and include structure locations, lot line distances, and street grade per PA UCC requirements. |
| Lawrence County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, and accessory structures in New Castle and throughout Lawrence County. Stormwater management compliance is required, and land disturbance over one acre may trigger NPDES permitting. |
| Indiana County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Indiana County. Verify your municipality's UCC opt-in or opt-out status, as enforcement varies across the county's townships and boroughs. |
| Crawford County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, pools, and accessory structures in Meadville and throughout Crawford County. Frost depth in this northwestern region reaches approximately 42 inches, relevant for deck and foundation permit submissions. |
| Clearfield County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Clearfield County. In this north-central Pennsylvania county, frost depth reaches approximately 42 inches, making footing documentation an important part of deck permit submissions. |
| Somerset County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, and accessory structures throughout Somerset County. Frost depth in this southwestern Pennsylvania mountain region can exceed 42 inches; accurate footing depth specifications are essential for deck and foundation permits. |
| Carbon County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, pools, and accessory structures throughout Carbon County. Frost depth in this northeastern Pennsylvania region reaches 42 inches or more, making footing depth documentation critical for deck and foundation permit submissions. |
| Columbia County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Columbia County. Zoning permits are required for any new structure or land use change; a site plan drawn to scale per PA UCC standards is standard with each submission. |
| Armstrong County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, and accessory structures across Armstrong County municipalities. Verify your specific municipality's permit requirements, as UCC enforcement and local zoning rules vary across the county's townships and boroughs. |
| Pike County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Pike County is in the Pocono region, where frost depth reaches 42 inches or more — accurate footing documentation is critical for deck permit submissions. Site plans required for new construction, additions, pools, decks, and accessory structures; many properties also fall under HOA architectural review requirements. |
| Bradford County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Bradford County. In this northern-tier county, frost depth reaches 42 inches or more, making accurate footing depth specifications important for deck and foundation permit submissions. |
| Wayne County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, pools, and accessory structures throughout Wayne County. As part of the Pocono lake region, frost depth exceeds 42 inches; many communities also require HOA architectural review submissions with site plans. |
| Venango County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures in Franklin and throughout Venango County. Verify your municipality's UCC opt-in or opt-out status to confirm whether permits are processed locally or through a certified third-party agency. |
| Bedford County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, and accessory structures throughout Bedford County. Stormwater management compliance is required across most jurisdictions; land disturbance over one acre may trigger NPDES erosion and sedimentation control requirements. |
| Perry County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Perry County. Zoning permits are required whenever a property owner intends to build a structure or add onto an existing building; a site plan is standard with each submission. |
| Mifflin County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Mifflin County. Site plans must be drawn to scale and include structure locations, lot line distances, and street grade per 34 Pa. Code § 403.42a. |
| Jefferson County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Jefferson County. In this north-central Pennsylvania county, frost depth typically reaches 42 inches or more, relevant for deck footing permit submissions. |
| Huntingdon County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, decks, and accessory structures throughout Huntingdon County. Verify your specific municipality's requirements, as UCC enforcement and local zoning rules vary across the county's townships and boroughs. |
| Union County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Union County. Land disturbance over one acre may trigger NPDES permits and erosion/sedimentation control plan requirements in addition to the standard site plan. |
| Tioga County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Tioga County. In this northern-tier county, frost depth reaches 42 inches or more, making accurate footing depth specifications important for deck and foundation permit submissions. |
| Snyder County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Snyder County. Site plans must be drawn to scale and show structure location, lot line distances, and street grade per PA UCC requirements under 34 Pa. Code § 403.42a. |
| McKean County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout McKean County. In this northern Pennsylvania county, frost depth reaches 42 inches or more, relevant for deck footing and foundation permit submissions. |
| Susquehanna County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Susquehanna County. Frost depth in this northeastern county reaches 42 inches or more; verify your municipality's specific permit requirements and UCC status. |
| Clinton County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Clinton County. Frost depth in this north-central region reaches approximately 42 inches, making footing documentation important for deck and foundation permit submissions. |
| Warren County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Warren County. In this northwestern Pennsylvania county, frost depth reaches 42 inches or more, relevant for deck and foundation permit submissions. |
| Clarion County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Clarion County. Verify your municipality's UCC opt-in or opt-out status to confirm whether permits are issued locally or through a certified third-party agency under PA L&I. |
| Greene County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, decks, and accessory structures throughout Greene County. Zoning permits are required for any new structure or land use change; verify your specific municipality's requirements for site plan submission. |
| Elk County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Elk County. Frost depth in this north-central Pennsylvania county reaches 42 inches or more, making footing documentation an important component of deck and foundation permit submissions. |
| Wyoming County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Wyoming County. In this northeastern Pennsylvania county, frost depth reaches 42 inches or more; verify your municipality's specific permit requirements and UCC administrative status. |
| Juniata County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Juniata County. Site plans must be drawn to scale and show structure location, lot line distances, and street grade per 34 Pa. Code § 403.42a. |
| Montour County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Montour County. Zoning permits are broadly required for any new structure or change in land use; a scaled site plan is standard with each building permit application. |
| Potter County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Potter County. In this remote north-central Pennsylvania county, frost depth exceeds 42 inches; accurate footing documentation is essential for deck and foundation permit submissions. |
| Fulton County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Fulton County. Verify your municipality's UCC opt-in or opt-out status to determine whether permits are issued locally or through a certified third-party agency. |
| Forest County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Forest County. As one of Pennsylvania's most rural and least populous counties, verify your specific municipality's permit requirements and UCC administrative status directly. |
| Sullivan County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans are required for new construction, additions, and accessory structures throughout Sullivan County. In this northern-tier Pennsylvania county, frost depth reaches 42 inches or more; verify your municipality's specific permit requirements and UCC status. |
| Cameron County | Municipal Code Office (UCC opt-in) or PA Dept. of Labor & Industry (L&I) via 3rd-party agency (opt-out) | Site plans required for new construction, additions, and accessory structures throughout Cameron County. As Pennsylvania's least populous county, verify your specific municipality's permit requirements and UCC administrative status directly with your local office. |