Bolthole Index

Penobscot County, Maine

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

Town of Greenbush is a town in Penobscot County, Maine. Septic permits inside Town of Greenbush come from Town of Greenbush. 15 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Penobscot County page.

Answers from the rulebook for Town of Greenbush

Town of Greenbush’s own rules

  • Building permitRequired

    Construction, alteration, addition, or replacement of a building inside Greenbush town limits.

    • Work excepted by the Town of Greenbush Building Ordinance is excluded.
    “A Building Permit is required before beginning the construction, alteration, addition or the replacement of a Building. The Landowner or Lessee, architect, contractor or builder employed by such owner or lessee shall obtain a Permit covering such proposed work unless otherwise excepted by the Town of Greenbush Building Ordinance.”
  • Building code adoptedAdopted (with conditions)

    Building work inside Greenbush town limits.

    • The Town directs applicants to obtain a copy of its Building Codes Ordinance at the Town Office.
    “Please come into the Town Office to obtain a copy of the Building Codes Ordinance, applications for all building, electrical & plumbing permits and to pay applicable fees.”
  • InspectionsLimited

    Building sites inside Greenbush town limits after required plumbing and electrical permits are obtained.

    • The page directs the applicant to call the Code Enforcement Officer for a site visit after necessary plumbing and electrical permits have been obtained.
    “After the necessary Plumbing/Electrical Permits have been obtained, call the C.E.O. for a Site visit to your property. Lot line(s) and road set back distances will be obtained at this time by the C.E.O.”
  • Minimum lot sizeSpecified

    Buildable lots inside Greenbush town limits.

    • Lots that are part of a subdivision require 2 acres; other buildable lots require 1 acre.

    minimum buildable lot area outside subdivision: >= 1 acre · minimum lot area in subdivision: >= 2 acres · minimum road frontage: >= 125 feet

    “Things to keep in mind before buying or building• Minimum buildable lot is 1 acre & subdivision 2 acre minimum. • Minimum road frontage is 125`”
  • SetbacksSpecified

    Buildings on lots inside Greenbush town limits.

    front setback: >= 75 feet · side setback: >= 25 feet · rear setback: >= 25 feet

    “Front set back in 75` & sides & rear are 25`”
  • Living in an RVTemporary only (with conditions)

    Campers and RVs inside Greenbush town limits.

    • Occupancy may not exceed 180 days per year.
    • Occupants must provide the Local Plumber Inspector a receipt from the facility disposing of wastewater.

    maximum occupancy: <= 180 days/year

    “These campers cannot be occupied for more than 180-days a year and must show proof, with a receipt of the facility that disposed of their waste/ waste water, to the Local Plumber Inspector.”
  • Camping on your landLimited

    Camper or travel-trailer use inside Greenbush town limits.

    • A camper or travel trailer cannot be a permanent dwelling.
    • Temporary use is limited to no more than 180 days.
    • The stated penalty may be up to $100 per day per violation.

    maximum temporary use: <= 180 days · maximum stated violation penalty: <= 100 USD/day

    “Keep in mind that a camper or travel trailer cannot be used as a permanent dwelling, may only be temporary used for no more than 180 days. Penalty for violations may be up to $100 per day per violation.”
  • Manufactured homesLimited

    Manufactured or mobile homes inside Greenbush town limits, including homes proposed in subdivisions.

    • A mobile home more than 10 years old cannot be placed in a subdivision.
    • Subdivision covenants require a mobile home that is 10 years old or newer.
    • Manufactured housing built before June 15, 1976, or not built according to the cited federal standards, must meet Town Standards before arrival.

    mobile-home age for subdivision: <= 10 years (Subdivision covenants require a mobile home 10 years old or newer.)

    “If you are purchasing a mobile home that is greater than 10 years old it cannot be placed in a subdivision. (Subdivision covenants require a mobile home that is 10 years old or newer. All manufactured housing built prior to June 15, 1976 or not built according to the National Manufactured Housing Construction and Safety Standards Act of 1974 Title 42 Chapter 70 that is brought into Greenbush must meet Town Standards prior to arrival in Greenbush.)”
  • Who permits septicLocal (with conditions)

    Septic systems and wastewater disposal for land inside Greenbush town limits.

    • The Town's Code Enforcement Officer is the referenced Local Plumber Inspector for camper wastewater-disposal proof.
    “These campers cannot be occupied for more than 180-days a year and must show proof, with a receipt of the facility that disposed of their waste/ waste water, to the Local Plumber Inspector. [...] RESPECTFULLY – MIKE FALVEY, CEO/LPI 12/21/2023”
  • Septic permitRequired

    New dwellings inside Greenbush town limits.

    • External septic-system and internal plumbing permits are required before construction of a new dwelling.

    septic permit fee: 265 USD · new-site septic routine site-plan cost: >= 100 USD (Cost varies; stated as $100.00 plus.)

    “External (septic system) and internal Plumbing permits are required prior to the construction of any new dwelling.”
  • Subdividing landLimited

    Lots that are part of subdivisions inside Greenbush town limits.

    • A subdivision lot requires 2 acres, while other buildable lots require 1 acre.

    minimum subdivision lot area: >= 2 acres

    “Is the parcel a developable lot? (A 2-acre lot is required if the parcel was part of a subdivision, 1 acre lot is required otherwise.)”
  • Driveway accessLimited

    Building sites inside Greenbush town limits.

    • A driveway culvert may be required; applicant must check with the Code Enforcement Officer for culvert information.
    “A driveway culvert may be required at your Building Site. Check with the C.E.O. for culvert information.”
  • Building in a floodplainRequired

    Development in flood zones inside Greenbush town limits.

    • The Town states that additional special permits are required in flood zones.
    • Maine states that floodplain permits are required for all development in mapped flood hazard areas.
    “Additional special permits are required in the Flood Zones and in the Shoreland Zone areas of Town. Please contact the C.E.O. for this information.”
  • Permit feesPublished (with conditions)

    Building, septic, plumbing, and electrical permits inside Greenbush town limits.

    • New-site septic routine site-plan cost varies and is stated as $100.00 plus.
    • Building permit fee differentiates conditioned and unconditioned space.

    septic permit fee: 265 USD · internal plumbing minimum fee: 40 USD · internal plumbing fee: per 10 USD/fixture (Minimum fee is $40.00.) · building permit minimum fee: 20 USD · unconditioned-space building fee: per 0.2 USD/square foot · conditioned-space building fee: per 0.3 USD/square foot · electrical permit fee: 25 USD

    “Septic Permits are $265.00. New sites require routine site plan for septic systems cost varies $100.00 plus. • Plumbing Permit - Internal plumbing fees are $10.00 per fixture, with a minimum fee of $40.00. • Building Permit - Minimum $20.00, .20 cents a square foot for unconditioned space (not heated or cooled) .30 cents a square foot for conditioned space. • Electrical Permit is $25.00.”
  • Permit processPublished (with conditions)

    New-dwelling construction inside Greenbush town limits.

    • Applicant must show a septic or design plan before a building permit is issued.
    • External septic-system and internal plumbing permits are required before construction of a new dwelling.
    • After required plumbing and electrical permits are obtained, applicant must call the Code Enforcement Officer for a site visit.
    “External (septic system) and internal Plumbing permits are required prior to the construction of any new dwelling. Electrical permits ($25.00 fee) are also required prior to the construction of any new dwelling. ). After the necessary Plumbing/Electrical Permits have been obtained, call the C.E.O. for a Site visit to your property.”

Still unanswered

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

  • Owner-builder exemption — Owner-built residential work inside Greenbush town limits.
  • Certificate of occupancy — Residential occupancy inside Greenbush town limits.
  • Local zoning — Land inside Greenbush town limits.
  • Minimum dwelling size — Dwellings inside Greenbush town limits.
  • Lot coverage — Lots inside Greenbush town limits.
9 more unanswered
  • Building height
  • Tiny homes
  • Accessory dwellings
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Short-term rentals

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

Off-grid gear

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

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