Somerset County, Maine
Town of Fairfield is a town in Somerset County, Maine. Town of Fairfield adopts its own zoning, so inside its limits Town of Fairfield’s rules apply, not the county’s. Septic permits inside Town of Fairfield come from Town of Fairfield. 21 rules below are quoted from official sources and independently re-checked, most recently on November 3, 2026. Rules for unincorporated land are on the Somerset County page.
Construction, alteration, enlargement, relocation, demolition or change of occupancy of buildings inside Fairfield town.
“building permits issued shall become invalid unless the work authorized by such permit is commenced within 365 days after its issuance”
Permitted construction inside Fairfield town.
“the ceo shall be responsible for issuing building permits and certificates of occupancy, for inspecting all permitted construction for compliance with mubec or successor codes.”
Structures permitted inside Fairfield town.
“the ceo shall be responsible for issuing building permits and certificates of occupancy”
All land inside the limits of Fairfield town (Somerset County, Maine): the town's own Land Use Ordinance, administered by the Office of Code Enforcement.
“the provision of this ordinance shall govern the use of all land and structures within the town of fairfield and, more specifically, the location and development of residential, commercial, industrial and public property within the town.”
Land inside Fairfield town: official land use district map adopted with the Land Use Ordinance.
“ru= r= rr= ur= v= ms= c= i= rural district residential district rural residential district urban residential district village district main street district commercial district industrial district”
Mobile homes and manufactured housing units installed in the village (v) and urban residential (ur) districts inside Fairfield town. No general minimum dwelling size was found for other districts.
minimum width: >= 14 feet · minimum living space: >= 750 square feet (mobile homes/manufactured homes in village (v) and urban residential (ur) districts only)
“all units must be a minimum of 14 feet in width and contain at least 750 square feet of living space;”
Main single-family residential (r) district inside Fairfield town. Minimum lot size per principal structure/dwelling unit (Table 7).
“table 7: dimensional standards by land use district standards ms v ur r rr c i ru minimum lot size, (sf) per principal structure/dwelling unit”
“table 7: dimensional standards by land use district standards ms v ur r rr c i ru minimum lot size, (sf) per principal structure/dwelling unit”
Rural (ru) district inside Fairfield town: front, side and rear setbacks (Table 7).
“setback requirements: means the minimum horizontal distance from a lot line, shoreline, or edge of road (or road right of way) to the nearest part of a structure”
“street frontage- unsewered front setback 5,000 20,000 7,500 30,000 80,000”
Campgrounds and tenting grounds inside Fairfield town.
minimum campground lot area: >= 10 acres · setback from property lines for RV and tent sites: >= 100 feet
“a campground must be constructed on a lot containing a minimum of 10 acres. all recreational vehicles (rvs) or trailer sites and all structures shall be located at least 100 feet from any property line, front, side, and rear.”
Manufactured and mobile homes inside Fairfield town: permitted in most districts; mobile home parks are allowed in all districts except main street (ms).
“mobile home parks/ manufactured housing communities are permitted in all districts except main street (ms).”
Accessory dwelling units (ADUs) inside Fairfield town.
“accessory dwelling unit building permits are required in the town of fairfield prior to the start of construction, when any owner or authorized agent intends to construct”
Septic (subsurface wastewater) systems on land inside Fairfield town: town local plumbing inspector verifies adequacy; state subsurface wastewater rules govern design.
“the septic system must be verified as adequate by a local plumbing inspector pursuant to 30-a mrs §4221.”
Plumbing or septic work needed to make a building habitable inside Fairfield town.
plumbing permit fee, engineered system: 200 USD · plumbing permit fee, non-engineered system: 250 USD
“when plumbing or septic work is required to make a building habitable, no building permit shall be issued unless a plumbing permit has first been secured.”
New dwelling units and accessory dwelling units inside Fairfield town.
“the owner of all dwelling units and/or accessory dwelling units must provide written verification that the proposed unit(s) can be connected to adequate water and wastewater services prior to issuance of a cert”
Ordinary agricultural and forest operations inside Fairfield town. This is a permit exemption for operations, not an exemption for dwellings.
“no permits shall be required for normal maintenance or decorative changes in existing structures or buildings, landscaping, or the ordinary conduct of agricultural and forest operations.”
Land divisions inside Fairfield town, governed by the separate Town of Fairfield Subdivision Ordinance.
“the office of code enforcement is responsible for maintaining and enforcing the town of fairfield's land use ordinance, subdivision ordinance, and other relevant ordinances”
Structures on lots reached by a private road or driveway inside Fairfield town.
access way minimum width: >= 24 feet (lots without frontage on public or private road) · driveway minimum width, one dwelling unit: >= 12 feet · driveway minimum width, two or more dwelling units: >= 15 feet
“2. the private road/driveway shall be constructed to a minimum width of 12 feet if serving one dwelling unit, and 15 feet if serving two or more dwelling units.”
Building, plumbing and related permits issued by the Office of Code Enforcement inside Fairfield town.
plumbing permit fee, engineered system: 200 USD · plumbing permit fee, non-engineered system: 250 USD
“plumbing: engineered system $200.00 non-engineered system $250.00 primitive sys (includes 1 alternative toilet)”
Building permit application process in Fairfield town.
decision time after complete application: <= 3 working days
“upon determining that a complete application has been submitted, the ceo shall approve or deny the application, issue the permit, if approved, within three (3) working days.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Fairfield or Somerset 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 Fairfield publishes no rule on the point, not that none exists. Somerset County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Fairfield means bringing your own water and power. The kit we’d start with:
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