Belknap County, New Hampshire
Town of Center Harbor is a town in Belknap County, New Hampshire. Town of Center Harbor adopts its own zoning, so inside its limits Town of Center Harbor’s rules apply, not the county’s. Septic permits inside Town of Center Harbor come from Town of Center Harbor. 16 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Belknap County page.
All land within Center Harbor town limits.
“This ordinance shall pertain to all land within the boundaries of the Town of Center Harbor and shall be in effect from the time of adoption by the Voters of Center Harbor.”
Zoning districts inside Center Harbor town limits.
“The Town of Center Harbor is considered to be Agricultural and Rural (AR) unless otherwise designated.”
Buildings, mobile homes, house trailers, and specified outdoor living areas inside Center Harbor town limits.
road centerline setback: >= 50 feet (For structures and outdoor living areas over 80 square feet.) · other lot-line setback: >= 15 feet · lake or pond shoreline setback: >= 75 feet (Specified structures may receive a special exception.)
“No building, mobile home, house trailer, outdoor living areas over eighty (80) square feet of footprint or part or portion thereof shall be constructed or placed less than fifty (50) feet from the centerline of the improved surface used for public travel, or private way intended for public use.”
Buildings inside Center Harbor town limits.
general maximum stories: <= 3 stories (Basement below ground level is not counted.) · general maximum building height: <= 35 feet (Specified features are exempt.) · maximum height from lowest contiguous ground point on sloped building site: <= 40 feet
“No building shall be constructed in the Town of Center Harbor with more than three (3) stories not counting any basement below ground level, nor shall the overall building height exceed thirty-five (35) feet above ground level at the building foundation.”
Recreational vehicles in recreational camping parks and temporary camps inside Center Harbor town limits.
“No recreational vehicle or recreational camping cabin, as they are defined in NH RSA 216-I, or similar thing shall be used or occupied as a year round residence”
Temporary camps using recreational vehicles, tents, or improvised shelters on public or private land inside Center Harbor town limits.
“No recreational vehicles shall be occupied and no camps using such vehicles, tents or improvised shelters shall be permitted outside of a recreational campground or camping park except individual temporary camps located on private land with the written permission of the property owner or tenant, or on open public land in accordance with all regulations.”
Mobile homes and manufactured-home-type dwellings inside Center Harbor town limits.
“The lot containing the mobile home shall be of the same size and shall meet the same requirements as the lot for any other dwelling unit. The mobile home shall be mounted on a permanent foundation, and the area under the mobile home shall not be open to view”
Accessory dwelling units in existing owner-occupied structures inside Center Harbor town limits.
maximum accessory dwelling unit gross floor area: <= 900 square feet · accessory dwelling units per lot: <= 1 unit
“An Accessory Dwelling Unit may be allowed in an existing owner-occupied structure if all of the following conditions exist”
Repair, replacement, new construction, construction, or reconstruction of septic systems inside Center Harbor town limits.
sewage disposal system permit fee: 50 USD
“Any work for repair, replacement or new construction of septic systems”
Residential subdivisions inside Center Harbor town limits, including cluster residential subdivisions in the Agricultural and Rural District.
“cluster residential subdivisions are permitted as a innovative land use control, pursuant to RSA 674:21, for all residential subdivisions within the Agricultural and Rural District.”
Driveway construction inside Center Harbor town limits.
driveway construction permit fee: 50 USD
“Driveway Construction Permit (Contact the Road Agent ([email protected])) | $50”
Proposed development, including manufactured homes, in flood-prone areas inside Center Harbor town limits.
“All proposed development, including manufactured homes, in floodprone areas shall require a permit.”
Town construction, trade, septic, and driveway permits inside Center Harbor town limits.
construction permit minimum fee: 25 USD (Rates labeled as of 03/2022.) · new building fee: per 0.25 USD per square foot (Includes attached garage.) · sewage disposal system permit fee: 50 USD · driveway construction permit fee: 50 USD
“Construction Permit Rates (as of 03/2022)- $25 Minimum Fee”
Town construction permits inside Center Harbor town limits.
stated permit review timeframe: <= 14 days (May be delayed if additional information is required.)
“Permits will be reviewed within 14 days. This timeframe may be delayed if the building department requires additional information from the applicant.”
Town of Center Harbor does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Residential (RES) District inside Center Harbor town limits.
Class 1 minimum lot area: >= 10000 square feet · Class 2 minimum lot area: >= 20000 square feet (Soil conditions permitting.) · Class 3 minimum lot area: >= 40000 square feet
“Class 1 10,000 100** 10,000 Class 2 20,000* 100** 20,000 Class 3 40,000 150** 40,000”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Center Harbor or Belknap 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 Center Harbor publishes no rule on the point, not that none exists. Belknap County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Center Harbor means bringing your own water and power. The kit we’d start with:
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