Bolthole Index

Sagadahoc County, Maine

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

Town of Phippsburg is a town in Sagadahoc County, Maine. Town of Phippsburg adopts its own zoning, so inside its limits Town of Phippsburg’s rules apply, not the county’s. 10 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Sagadahoc County page.

Answers from the rulebook for Town of Phippsburg

Town of Phippsburg’s own rules

  • Building permitRequired

    Construction, additions, and alterations of buildings, mobile homes, and structures inside Phippsburg town limits.

    • A permit is required where construction or addition exceeds $1,000 in value.
    • The $1,000 exemption does not apply to a dwelling foundation or slab.
    • Permits expire after one year unless a substantial start is made.

    project-value threshold: > 1000 USD (Does not exempt construction of a foundation or slab for a dwelling unit.)

    “it shall be unlawful to construct, add to, alter, or to commence the construction, addition, or alteration of a building, mobile home, or structure where such construction or addition exceeds one thousand (1000) dollars in value, without first obtaining a permit from the codes enforcement officer (ceo).”
  • Local zoningPresent (with conditions)

    Land inside Phippsburg town limits, including land governed by the Town Land Use Ordinance and the separate Shoreland Zoning Ordinance.

    • The Land Use Ordinance excludes land regulated by the Town Shoreland Zoning Ordinance.
    “this ordinance applies to all land areas not regulated by the town of phippsburg shoreland zoning ordinance adopted june 9, 2009, including all amendments thereto.”
  • Zoning districtsPartial

    Land inside Phippsburg town limits.

    • The Town Land Use Ordinance applies outside the separately regulated Shoreland Zoning Ordinance area.
    • The official Town site publishes a Shoreline Zoning Map, but district names and full dimensional schedules were not verified in the opened official materials.
    “this ordinance applies to all land areas not regulated by the town of phippsburg shoreland zoning ordinance adopted june 9, 2009, including all amendments thereto.”
  • Minimum lot sizeSpecified

    Dwellings and new business structures on land inside Phippsburg town limits not regulated by the Shoreland Zoning Ordinance.

    • Minimum 150-foot frontage applies unless the Section 9.A.2 condition is met.
    • A nonconforming lot of record may be built upon if all provisions other than lot size are met.

    minimum lot area: >= 40000 square feet (Land-use ordinance area outside shoreland zoning.) · minimum road frontage: >= 150 feet (Unless Section 9.A.2 conditions are met.)

    “no dwelling or new business structure shall be constructed on or moved to a lot with an area less than forty thousand (40,000) square feet. such lot shall have road frontage, public or private, of not less than one hundred and fifty (150) feet unless the conditions of section 9.a.2. are met.”
  • Manufactured homesAllowed (with conditions)

    Mobile homes on lots where a single-family home is allowed inside Phippsburg town limits.

    • Plumbing and building permits must issue.
    • The owner must demonstrate compliance with the National Manufactured Housing Construction and Safety Standards Act of 1974.
    “mobile homes shall be allowed on any lot of land where a single family home would be allowed after plumbing and building permits have been issued.”
  • Accessory dwellingsLimited

    Accessory dwelling units inside Phippsburg town limits.

    • An ADU rental term cannot be less than six months.
    • An ADU cannot be sold independently of the single-family dwelling.
    • The tenant must use it as a primary residence and may not sublet.
    • It cannot be advertised for short-term rental or vacation use.
    • The application must include site and floor plans, water and flow tests, and septic-flow proof.

    minimum ADU rental term: >= 6 months

    “the term of an adu rental agreement shall not be for less than six months. 5. an adu cannot be sold independently of the sale of the single-family dwelling unit. 6. the adu shall be the primary residence of the tenant. the tenant shall not be allowed to sublet.”
  • Subdividing landRegulated (with conditions)

    Subdivision applications inside Phippsburg town limits.

    • The Planning Board reviews and gives subdivision permits.
    • The Land Use Ordinance prohibits approval for a structure located in an unapproved subdivision.
    “The Planning Board reviews and gives permits for Subdivision, Home Business, Business Expansion, and New Business applications along with applications for projects that are specified within Town ordinances as needing Planning Board review.”
  • Driveway accessRequired

    Curb-cut access to State roads and Town-maintained roads inside Phippsburg town limits.

    • MDOT issues entrance permits for State roads.
    • The Phippsburg Road Commissioner issues entrance permits for Town-maintained roads.
    “a curb cut entrance permit is required from either the maine department of transportation (mdot) for all state roads, or from the phippsburg road commissioner for all town maintained roads.”
  • Short-term rentalsLimited

    Accessory dwelling units inside Phippsburg town limits.

    • This claim addresses ADUs only; no townwide short-term-rental ordinance was verified.
    “an adu shall not be used for any other purpose than residential occupancy. 19 section 9 9. an adu shall not be advertised in short-term rental or vacation sites.”
  • Permit feesPublished (with conditions)

    Building-permit applications inside Phippsburg town limits.

    • The CEO may substitute specified per-square-foot valuations when project value is unreasonable.
    • Work commenced before permit issuance is charged four times the normal fee.

    building permit fee for $1,001-$10,000 project: 75 USD · building permit fee above $10,001: 100 USD plus $4 per $1,000

    “all applications shall be accompanied by a fee in accordance with the following estimated value of construction schedule: $1,001 to $10,000 - $75.00 $10,001 and above - $100.00 plus $4.00 per $1,000”

Still unanswered

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

  • Owner-builder exemption — Owner-built residential construction inside Phippsburg town limits.
  • Minimum dwelling size — Principal dwellings inside Phippsburg town limits outside the separately regulated shoreland area.
  • Lot coverage — Lots inside Phippsburg town limits.
  • Building height — Structures inside Phippsburg town limits.
  • Living in an RV — RV occupancy on private land inside Phippsburg town limits.
7 more unanswered
  • Camping on your land
  • Tiny homes
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Building in a floodplain

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 Phippsburg publishes no rule on the point, not that none exists. Sagadahoc County’s page lists the county offices to call.

Off-grid gear

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

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