Cumberland County, Maine
Town of Long Island is a town in Cumberland County, Maine. Town of Long Island adopts its own zoning, so inside its limits Town of Long Island’s rules apply, not the county’s. 18 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Cumberland County page.
Storage sheds up to 100 sq ft and temporary habitation structures inside Long Island town; general new-construction permit rule not located
“one storage shed with a footprint of not more than one hundred (100) square feet shall be permitted on a lot and shall be exempt from side and rear setbacks and shall require a no fee building permit. storage sheds shall not be used for human habitation.”
Land inside Long Island town limits: the town's own Land Use Ordinance (Chapter 14) with its zoning map
“uses that are not expressly enumerated herein as either permitted uses or conditional uses are prohibited.”
Land inside Long Island town limits: zone classes under Chapter 14 section 3.1
“the town is hereby divided into the following classes of zones: island residential zone (ir-1) island residential zone (ir-2) recreation and open space zone(r-os) island business zone (i-b) shoreland overlay zone (article 4) resource protection zone (r-p)”
Lots inside the IR-1 Island Residential Zone (low-intensity residential and rural district) in Long Island town
minimum lot size: 60000 square feet (animal raising (3 acres) and lodging houses have separate minimums; Article 6 nonconforming lots)
“a. sixty thousand (60,000) square feet for all permitted uses except for animal raising and lodging houses.”
“a. sixty thousand (60,000) square feet for all permitted uses except for animal raising and lodging houses.”
Principal and accessory structures in the IR-1 Island Residential Zone in Long Island town
front yard setback: 30 feet · rear yard setback: 30 feet · side yard setback: 20 feet
“a. front yard: principal or accessory structures: thirty (30) feet. b. rear yard: principal or accessory structures: thirty (30) feet. c. side yard: principal or accessory structures: twenty (20) feet.”
“a. front yard: principal or accessory structures: thirty (30) feet. b. rear yard: principal or accessory structures: thirty (30) feet. c. side yard: principal or accessory structures: twenty (20) feet.”
Lots in the IR-1 Island Residential Zone in Long Island town
maximum lot coverage: <= 15 percent (combined area of all structures including accessory structures)
“(4) maximum lot coverage: the combined area of all structures, including accessory structures, shall not cover more than 15% of the contiguous area of the lot which is to be built upon or otherwise improved.”
“(4) maximum lot coverage: the combined area of all structures, including accessory structures, shall not cover more than 15% of the area of the lot which is to be built upon or otherwise improved.”
Structures in the IR-1 Island Residential Zone in Long Island town
maximum principal or attached structure height: <= 35 feet · maximum accessory detached structure height: <= 18 feet
“(6) maximum structure height: principal or attached structure: thirty-five (35) feet. accessory detached structure: eighteen (18) feet.”
“(6) maximum structure height: principal or attached structure: thirty-five (35) feet. accessory detached structure: eighteen (18) feet.”
Temporary tenting on private land in the IR-1 and IR-2 residential zones in Long Island town
“temporary private tenting with one (1) tent accessory to a principal residential use provided that adequate water supplies and sanitation facilities are available in connection with the principal residential use”
Mobile home or manufactured housing units as a single-family dwelling in the IR-2 Island Residential Zone in Long Island town
“(1) one single-family dwelling per lot, excluding mobile home manufactured housing units.”
Accessory dwelling units in the IR-1 Island Residential Zone in Long Island town
“k. accessory dwelling units. (adopted may 12, 2007) l. agriculture (adopted may 14, 2016)”
Subdivision of land inside Long Island town
“this article shall govern each and every subdivision of land within the limits of the town unless specifically exempted in this article 11.”
Lots or portions of lots in a flood hazard zone inside Long Island town
“any lot or portion of a lot located in a shoreland zone as identified on the town shoreland zoning map or in a flood hazard zone shall be subject to the requirements of article 4 (shoreland zoning district standards) and article 12 (floodplain standards).”
Permits for temporary structures inside Long Island town
“the fee shall be determined by the selectmen.”
Land use permits inside Long Island town
“c. conditional uses: the following uses are permitted only upon the issuance of a conditional use permit by the planning board, subject to the provisions of article 14 (planning board) of this chapter and any special provisions, standards or requirements specified below:”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Long Island or Cumberland County directly.
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Town of Long Island publishes no rule on the point, not that none exists. Cumberland County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Long Island means bringing your own water and power. The kit we’d start with:
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