Bolthole Index

Androscoggin County, Maine

Zoning, building permits and septic rules in Lewiston, Maine

Lewiston is a city in Androscoggin County, Maine. Lewiston adopts its own zoning, so inside its limits Lewiston’s rules apply, not the county’s. 4 rules below are quoted from official sources and independently re-checked, most recently on November 3, 2026. Rules for unincorporated land are on the Androscoggin County page.

Answers from the rulebook for Lewiston

Lewiston’s own rules

  • Local zoningPresent (with conditions)

    Land inside Lewiston city limits: the city's own Zoning and Land Use Code (Appendix A to the city code of ordinances)

    • The index confirms the code's article structure (district regulations, development review, floodplain administration); the district dimensional tables were not opened.
    • Applies only inside city limits; the county does not administer this code.
    “the planning and code enforcement department promotes, coordinates, and enforces land use activities within the city of lewiston in accordance with the comprehensive plan and applicable ordinances.”
  • Zoning districtsPublished (with conditions)

    Zoning districts inside Lewiston city limits (district list from the city's Zoning and Land Use Code, Article XI)

    • Only the district list was read from the index; district boundaries (a separate zoning-boundaries ordinance) and district dimensional tables were not opened.
    • Districts named in the index include Rural-Agricultural (RA), Low Density Residential (LDR), Suburban Residential (SR), and Medium-Density Residential (MDR).
    “sec. 1. rural-agricultural district (ra). sec. 2. low density residential district (ldr). sec. 3. suburban residential district (sr).”
  • Subdividing landRegulated (with conditions)

    Land divisions and subdivisions inside Lewiston city limits under the city's Article XIII development review and standards

    • Article XIII includes coordination with state subdivision law and additional standards for private commercial or industrial subdivisions; the text of those sections was not opened, so review thresholds are unknown.
    • Whether a single lot for one new home triggers review was not determined.
    “sec. 10. additional standards for private commercial or industrial subdivisions.”
  • Building in a floodplainRequired

    Development in the flood hazard area inside Lewiston city limits under Article XIV Floodplain Administration and Management

    • A flood hazard development permit is required before development in the floodplain; the text of sec. 2 and its exemptions was not opened.
    • Review standards and development standards are in later Article XIV sections, not read.
    “article xiv. floodplain administration and management sec. 1. applicability. sec. 2. permit required. sec. 3. application for permit.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Lewiston or Androscoggin County directly.

  • Building permit — New home construction inside Lewiston city limits
  • Owner-builder exemption — Owner-builder exemption inside Lewiston city limits
  • Building code adopted — Building code in force inside Lewiston city limits
  • Inspections — Building inspections for new homes inside Lewiston city limits
  • Certificate of occupancy — Certificate of occupancy for new homes inside Lewiston city limits
21 more unanswered
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Short-term rentals
  • Permit fees
  • Permit process

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

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