Zoning, building permits and septic rules in Town of Trenton, Maine

Town of Trenton’s own rules

• Building permitRequired

  Activities, land uses, and structures inside Trenton that require a permit in their zoning district, including expansion, change, or replacement of an existing use or structure.

  • The rule applies after the effective date of the ordinance.
  • The issued permit must be kept on site while authorized work is performed.
  • A conditional use additionally requires an approved, signed Conditional Use Permit from the Planning Board and, if required, a building permit.

  “After the effective date of this Ordinance no person shall, without first obtaining a permit, engage in any activity or use of land or structure requiring a permit in the district in which such activity or use would occur; or expand, change, or replace an existing use or structure; or renew a discontinued nonconforming use.”

• Local zoningPresent (with conditions)

  Land inside Trenton town limits.

  • Land, buildings, structures, and new lots must conform to the regulations for the district in which located unless a variance is granted.

  “To implement the provisions of this Ordinance, the Town of Trenton is hereby divided into the following Districts:”

• Zoning districtsPublished (with conditions)

  Land inside Trenton town limits.

  • Districts are shown on the Official Land Use Map titled "Land Use Map of Trenton, Maine," kept in the municipal clerk's office.
  • The official map is incorporated into the ordinance.

  “Said Districts are located and bounded as shown on the Official Land Use Map, entitled "Land Use Map of Trenton, Maine" and on file in the office of the municipal clerk.”

• Minimum lot sizeDistrict specific (with conditions)

  Residential development in the Residential Rural District inside Trenton town limits.

  • Lot-area calculations and other dimensional requirements are subject to the ordinance's lot-standards table and general lot-size rules.
  • Land below the normal high-water line of an upland edge of a wetland and land beneath roads serving more than two lots may not be counted toward minimum lot area.

  minimum lot size: 40000 square feet (Residential Rural District example in the ordinance)

  “the required minimum lot size for the Residential RR District of 40,000 square feet”

• SetbacksDistrict specific (with conditions)

  Structures inside Trenton town limits, by applicable land-use district.

  • A side or back yard adjacent to a public roadway must meet the front-yard setback.
  • Listed exempt structures remain subject to building-permit requirements.
  • The lot-standards table controls applicable dimensions by district.

  “Lot size, front, rear, and side yard setbacks, maximum lot coverage, and maximum residential density for structures in each of the districts shall conform to the table on lot standards and the following:”

• Lot coverageDistrict specific (with conditions)

  Structures inside Trenton town limits, by applicable land-use district.

  • Maximum lot coverage is determined by the ordinance's lot-standards table for the applicable district.

  “Lot size, front, rear, and side yard setbacks, maximum lot coverage, and maximum residential density for structures in each of the districts shall conform to the table on lot standards and the following:”

• Building heightSpecified

  Buildings and structures in all Trenton land-use districts.

  • Steeples, silos, detached barns, windmills, water towers, and similar structures having no floor area are excepted.

  maximum building or structure height: 35 feet (Except steeples, silos, detached barns, windmills, water towers, and similar structures having no floor area)

  “The building or structure height limitations for all districts shall be 35 feet, except for steeples, silos, detached barns, windmills, and water towers and similar structures having no floor area.”

• Septic permitRequired

  A proposed Trenton structure not served by public sewer that requires installation of a subsurface sewage disposal system.

  • A valid plumbing permit or completed plumbing-permit application, including the Plumbing Inspector-approved site evaluation, must be submitted.

  “If the property is not served by a public sewer, a valid plumbing permit or a completed application for a plumbing permit, including the site evaluation approved by the Plumbing Inspector, shall be submitted whenever the nature of the proposed structure would require the installation of a subsurface sewage disposal system.”

• Off-grid sanitationLimited

  Subsurface sewage disposal systems for land uses inside Trenton town limits.

  • All subsurface sewage disposal systems must comply with the State of Maine Subsurface Wastewater Disposal Rules.

  “All subsurface sewage disposal systems shall be installed in conformance with the State of Maine Subsurface Wastewater Disposal Rules.”

• Mandatory utility hookupConditional

  Installation of public-utility water, sanitary-district, or other utility services to a new structure inside Trenton town limits.

  • The utility must first obtain written authorization from the appropriate municipal officials attesting to the validity and currency of all local permits required under the ordinance or a previous ordinance.
  • After service installation, the company or district must forward that authorization to municipal officials and state that installation is complete.

  “No public utility water district, sanitary district or any utility company of any kind may install services to any new structure unless written authorization attesting to the validity and currency of all local permits required under this or any previous Ordinance, has been issued by the appropriate municipal officials.”

• Driveway accessRequired

  Permitted and conditional uses in all Trenton land-use districts.

  • Transportation design and administration must comply with Maine Department of Transportation Driveway Entrance Standards and the town's listed performance standards.
  • Safe access must be provided to and from public and private roads.
  • Safe access is evaluated through adequate, properly designed and located access points with respect to sight distances, intersections, schools, and other traffic generators.

  “In all districts, permitted and conditional uses shall provide for safe access to and from public and private roads.”

• Permit feesVariable (with conditions)

  Conditional-use permit applications inside Trenton town limits.

  • The application must be accompanied by the fee established by the Board of Selectmen.

  “An application for a conditional use permit shall be submitted to the Town Office, accompanied by a fee to be established by the Board of Selectmen.”

• Permit processPublished (with conditions)

  Land-use and conditional-use permit applications inside Trenton town limits.

  • Every permit applicant must file a written application, including a scaled site plan, on a municipal form with the appropriate official.
  • For a conditional-use permit, the application and required fee are submitted to the Town Office.
  • Within 30 days after receiving a written application and fee, the Municipal Clerk schedules presentation at the next available regular monthly Planning Board meeting.

  scheduling period: <= 30 days (From receipt of written conditional-use application and fee)

  “Every applicant for a permit shall submit a written application, including a scaled site plan, on a form provided by the municipality, to the appropriate official as indicated in Article III.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Trenton or Hancock County directly.

• Owner-builder exemption — Owner-built residential construction inside Trenton town limits.
• Building code adopted — Building-code enforcement for construction inside Trenton town limits.
• Inspections — Building inspections for construction inside Trenton town limits.
• Certificate of occupancy — Occupancy of residential buildings inside Trenton town limits.
• Minimum dwelling size — Single-family dwellings inside Trenton town limits.

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.

Off-grid gear

Going off-grid in Town of Trenton means bringing your own water and power. The kit we’d start with:

• Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
• Power Bluetti Solar generators and home battery backup for living off the grid.
• Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
• Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.

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