Knox County, Maine
Town of Isle au Haut is a town in Knox County, Maine. Town of Isle au Haut adopts its own zoning, so inside its limits Town of Isle au Haut’s rules apply, not the county’s. 9 rules below are quoted from official sources and independently re-checked, most recently on November 7, 2026. Rules for unincorporated land are on the Knox County page.
Land inside Isle au Haut town limits, including the town's identified ordinance zones.
“IAH ORDINANCE ZONE: The IAH Zoning Ordinance indicates the location of various zones within the town, which include: Accessible Interior, Accessible Shoreland, Remote Interior, Remote Shoreland, and Resource Protection.”
IAH ordinance zones inside Isle au Haut town limits.
published zone list: Accessible Interior; Accessible Shoreland; Remote Interior; Remote Shoreland; Resource Protection
“IAH ORDINANCE ZONE: The IAH Zoning Ordinance indicates the location of various zones within the town, which include: Accessible Interior, Accessible Shoreland, Remote Interior, Remote Shoreland, and Resource Protection.”
Recreational vehicles located in Zone AE or Zone VE within Isle au Haut town limits.
Zone AE temporary stay: < 180 consecutive days (Alternative to full licensing and highway readiness or manufactured-home elevation and anchoring compliance.)
“Zone AE shall either: a. be on the site for fewer than 180 consecutive days, b. be fully licensed and ready for highway use. [...] or, c. be permitted in accordance with the elevation and anchoring requirements for "manufactured homes" in Article VI.H.1. 2. Zone VE shall meet the requirements of either Article VI.I.1.a. and b., or Article VI.P.”
New or substantially improved manufactured homes in flood Zones AE, A, or VE inside Isle au Haut town limits.
minimum elevation in Zone AE: >= 1 foot above base flood elevation
“Manufactured Homes - New or substantially improved manufactured homes located within: 1. Zone AE shall: a. be elevated such that the lowest floor (including basement) of the manufactured home is at least one foot above the base flood elevation; [...] 2. Zone A shall: a. be elevated on a permanent foundation [...] and b. meet the anchoring requirements of Article VI.H.1.c. 3. Zone VE shall meet the requirements of Article VI.P.”
New subsurface sewage disposal systems in Zone VE or below the 10% annual-chance storm-surge elevation inside Isle au Haut town limits.
“On-site waste disposal systems shall be located and constructed to avoid impairment to them or contamination from them during floods. In accordance with the Maine State Plumbing Code, no new subsurface sewage disposal system may be located in a VE zone nor lower than the 10% annual chance storm surge elevation.”
Accessory structures in Zone AE inside Isle au Haut town limits.
“Accessory Structures, as defined in Article XIV, located within Zone AE, shall be exempt from the elevation criteria required in Article VI.F. & G. above, if all other requirements of Article VI and all the following requirements are met.”
Construction or other development, including manufactured-home placement, in designated special flood-hazard areas inside Isle au Haut town limits.
“Before any construction or other development (as defined in Article XIV), including the placement of manufactured homes, begins within any areas of special flood hazard established in Article I, a Flood Hazard Development Permit shall be obtained from the Planning Board. This permit shall be in addition to any other permits which may be required pursuant to the codes and ordinances of the Town of Isle au Haut, Maine.”
Flood Hazard Development Permit applications inside Isle au Haut town limits.
expert-fee payment deadline: <= 10 days after town submits bill (Only where an expert fee is charged.)
“A fee may be charged if the Planning Board and/or Board of Appeals needs the assistance of a professional engineer or other expert. The expert's fee shall be paid in full by the applicant within 10 days after the town submits a bill to the applicant.”
Town Building/Land Use Permit applications inside Isle au Haut town limits.
Planning Board meeting after CEO certification: <= 30 days (Measured from the Chairman receiving the complete and legal application.) · second Planning Board review: <= 30 days (Measured from first Planning Board review.)
“The Chairman will then call a meeting of the PB within 30 days of CEO certifying it is complete and legal and received by the Chairman. [...] SECOND REVIEW: The PB will review the application again within 30 days of first PB review.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Isle au Haut or Knox 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 Isle au Haut publishes no rule on the point, not that none exists. Knox County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Isle au Haut means bringing your own water and power. The kit we’d start with:
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