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Getting Your Site Plan Approved in Maine
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Site Plans approved in every county in every state
| County | Permit Authority | Site Plan Notes |
|---|---|---|
| Cumberland County | Local Code Enforcement Officer (CEO) in each municipality (Portland, South Portland, Scarborough, Falmouth, Gorham, Brunswick & others); Maine LUPC for any unorganized territories | Highest permit volume in Maine — Portland requires site plans, floor plans, and elevations for all building permit submissions. Shoreland Zoning (250-ft rule) applies along Casco Bay and numerous inland waterbodies; DEP review required for projects affecting wetlands or the coast. HOA architectural review is common in newer Scarborough, Falmouth, and Gorham subdivisions. |
| York County | Local Code Enforcement Officer (CEO) in each municipality (Biddeford, Saco, Kennebunk, Ogunquit, Sanford & others) | Ogunquit explicitly requires a site plan with every building permit application showing setbacks from property lines, wetlands, water bodies, septic systems, and wells. Heavy shoreland zoning activity along the Atlantic coast and tidal rivers means even small projects — sheds, fences, decks — within 250 feet of water require a site plan regardless of size. |
| Penobscot County | Local Code Enforcement Officer (CEO) in each municipality (Bangor, Brewer, Old Town & others); Maine LUPC for unorganized territories | Bangor is one of Maine's most rigorous permitting cities and requires site plans showing all setbacks, structures, and utilities. MUBEC (based on the 2021 IRC/IBC) is mandatorily enforced in municipalities with 4,000+ residents, including Bangor; smaller towns in the county may opt out but local zoning still applies. Extensive river and lake frontage means Shoreland Zoning compliance is a frequent site plan trigger. |
| Kennebec County | Local Code Enforcement Officer (CEO) in each municipality (Augusta, Waterville, Hallowell & others); Maine LUPC for unorganized territories | Augusta, as the state capital, enforces MUBEC and requires site plans for new construction, additions, and any footprint changes. The Kennebec River corridor and numerous inland ponds trigger Shoreland Zoning review; projects within 250 feet of any waterbody require a site plan showing setbacks from the water's edge in addition to property lines. |
| Androscoggin County | Local Code Enforcement Officer (CEO) in each municipality (Lewiston, Auburn, Lisbon & others) | Lewiston and Auburn are the largest cities in the county and both enforce MUBEC; site plans are required for all permits including additions, garages, decks, and demolition. The Androscoggin River corridor activates Shoreland Zoning for properties within 250 feet, requiring additional setback documentation on submitted site plans. |
| Aroostook County | Local Code Enforcement Officer (CEO) in organized municipalities (Presque Isle, Caribou, Fort Fairfield & others); Maine LUPC for the large unorganized territory | Maine's largest county by land area contains significant unorganized territory governed exclusively by the Maine Land Use Planning Commission (LUPC), which requires site plan submissions for development permits. Smaller organized towns may opt out of MUBEC enforcement but local zoning and shoreland rules still apply; verify permit requirements with the specific municipality or LUPC. |
| Oxford County | Local Code Enforcement Officer (CEO) in each municipality (Norway, South Paris, Rumford & others); Maine LUPC for unorganized territories | Oxford County's many lakes and ponds — including Sebago Lake's watershed — mean Shoreland Zoning (250-ft rule) is a very common site plan trigger for sheds, docks, fences, and additions. Many smaller towns have populations under 4,000 and may opt out of MUBEC enforcement, but local zoning setback requirements still demand a site plan showing structure placement relative to property lines and waterbodies. |
| Hancock County | Local Code Enforcement Officer (CEO) in each municipality (Ellsworth, Bar Harbor, Bucksport & others); Maine LUPC for unorganized territories | Hancock County includes Acadia National Park's gateway communities and extensive Atlantic coastline, making Shoreland Zoning and Maine DEP review extremely common for any project within 250 feet of saltwater or freshwater. Bar Harbor and Ellsworth both require site plans with building permit applications; historic district overlay zones in some communities add further design review requirements. |
| Somerset County | Local Code Enforcement Officer (CEO) in each municipality (Skowhegan, Madison, Pittsfield & others); Maine LUPC for unorganized territories | Somerset County has a large unorganized territory under LUPC jurisdiction requiring site plan review for development permits. The Kennebec and Moose Rivers and numerous ponds activate Shoreland Zoning widely across the county; most organized municipalities require a site plan showing setbacks from property lines, water bodies, and septic systems for any new construction or accessory structure permit. |
| Knox County | Local Code Enforcement Officer (CEO) in each municipality (Rockland, Camden, Thomaston & others) | Camden explicitly requires site plans for any project involving a change in building footprint. The county's Penobscot Bay coastline and inland ponds mean Shoreland Zoning is a near-universal consideration; projects within 250 feet of saltwater or freshwater require site plans documenting setbacks from the resource. Rockland enforces MUBEC for all new construction and major alterations. |
| Waldo County | Local Code Enforcement Officer (CEO) in each municipality (Belfast, Searsport, Unity & others) | Many Waldo County towns have populations under 4,000 and may opt out of mandatory MUBEC enforcement, but local zoning ordinances and Shoreland Zoning still require site plans for new construction, additions, and accessory structures near water. Belfast enforces local building codes and requires site plan submissions showing setbacks and lot coverage for permit applications. |
| Sagadahoc County | Local Code Enforcement Officer (CEO) in each municipality (Bath, Brunswick, Topsham, Richmond & others) | Bath enforces MUBEC and has a historic district overlay requiring additional design review for projects in designated areas. The Kennebec River estuary and Merrymeeting Bay create extensive Shoreland Zoning buffers; site plans for any project within 250 feet of tidal or freshwater resources must clearly show setback distances from the resource and all property lines. Brunswick also requires site plans for building and demolition permits. |
| Lincoln County | Local Code Enforcement Officer (CEO) in each municipality (Wiscasset, Damariscotta, Boothbay Harbor & others) | Lincoln County's deeply indented Damariscotta River estuary and Sheepscot River shoreline make Shoreland Zoning one of the most frequent site plan triggers in the county — sheds, docks, fences, and decks near tidal waters nearly always require a site plan. Boothbay Harbor and Wiscasset both require site plan submissions with building permit applications; Maine DEP coastal permits may also be required for projects affecting tidal wetlands. |
| Washington County | Local Code Enforcement Officer (CEO) in each municipality (Calais, Eastport, Machias & others); Maine LUPC for unorganized territories | Washington County is Maine's easternmost and most rural county, with significant unorganized territory under LUPC jurisdiction. The Bold Coast shoreline and numerous rivers and ponds create pervasive Shoreland Zoning obligations; even small structures like sheds or fences within 250 feet of water require a site plan. Many organized towns have fewer than 4,000 residents and may opt out of MUBEC, but local zoning setback compliance still demands site plan documentation. |
| Franklin County | Local Code Enforcement Officer (CEO) in each municipality (Farmington, Jay, Wilton & others); Maine LUPC for unorganized territories | Franklin County includes the western Maine mountains and large unorganized territories under LUPC jurisdiction where site plan review is required for development permits. The Sandy River and numerous highland ponds trigger Shoreland Zoning frequently; Farmington, the county seat, enforces local zoning and requires site plans for building permit applications showing setbacks from all property lines and any nearby water resources. |
| Piscataquis County | Local Code Enforcement Officer (CEO) in organized municipalities (Dover-Foxcroft, Guilford, Milo & others); Maine LUPC for the large unorganized territory (including much of the North Maine Woods) | Piscataquis County contains the largest expanse of LUPC-governed unorganized territory in Maine, including Baxter State Park's gateway region and the North Maine Woods, where all development permits are processed through the LUPC and require site plan submissions. Moosehead Lake and hundreds of remote ponds create extensive Shoreland Zoning obligations; organized towns are small and may opt out of MUBEC but local and shoreland zoning rules always apply. |