Off-Grid LawsNew HampshireMerrimack County

Off-Grid Living in New London, New Hampshire

New London, NH is an actively zoned town with a real Zoning Board of Adjustment, required building permits, and a new town septic pumping/inspection regulation taking effect January 2026. Wells and composting toilets are workable under state rules, but greywater, rainwater harvesting, and tiny home/RV dwelling status aren't clearly addressed locally, so you'll need to call the Planning & Zoning Department or Health Officer directly.

Is it legal to live off-grid in New London, New Hampshire?

There is no outright ban on living off-grid in New London, New Hampshire - it is legal but regulated. Zoning and land use are set locally and vary by area, putting a cabin, tiny home, or RV on raw land is not clearly documented online, so confirm it locally, and building permits are restricted. Plan around septic/wastewater (restricted) and disconnecting from utilities (set locally and vary by area). Because these rules are set locally, confirm the specifics with New London before you buy land or build.

Read this before you act on anything below. This is my researched starting point for New London, not legal advice and not a guarantee. Rules change, and the deciding facts on any specific parcel (setbacks, perc results, overlay districts, deed restrictions, road frontage) live at the county or town office, not in any database. Before you buy land or build, confirm the current rules directly with the local zoning and health offices - the sources on this page tell you exactly who to call.
Primary-source verified ยท reviewed Aug 202619 government, statute, or municipal sources are linked below; the verdict card cites them where a match exists.

The verdict for New London

  • Zoning: Varies locally
  • Dwellings, tiny homes: Unclear - verify
  • Building permits: Restricted
  • Septic: Restricted
  • Greywater reuse: Unclear - verify
  • Rainwater harvesting: Unclear - verify
  • Private wells: Generally allowed
  • Living disconnected from utilities: Varies locally

New London at a glance

Zoning & raw-land occupancy
Varies locallyNew London is a zoned town with an actively enforced 2024 Zoning Ordinance and a Zoning Board of Adjustment that grants special exceptions and variances; raw-land occupancy outside permitted uses needs approval. source
Dwellings, tiny homes & RVs
Unclear - verifyNo town-specific rule on tiny homes or RVs as dwellings was found; these would fall under the general Zoning Ordinance and Building/Zoning Permit process, so confirm with the Planning & Zoning Department. source
Building permits & codes
RestrictedBuilding/Zoning Permits are required and issued by the Town of New London's Building Department, within the state building code framework administered at the municipal level. source
Septic & composting toilets
RestrictedThe Town's Health Officer and Board of Selectmen adopted a septic health regulation requiring pumping and inspection of individual sewage systems at least every three years, effective January 1, 2026; composting toilets/privies are permitted under state DHHS/RSA 147 guidance with local health officer approval. source
Greywater reuse
Unclear - verifyNo New London-specific greywater ordinance was found in official sources; ask the Health Officer or Planning & Zoning Department directly before building a system.
Rainwater harvesting
Unclear - verifyNo town-specific rainwater harvesting rule was found; the town's water-quality material focuses on septic and lake protection rather than rainwater collection.
Private wells & water rights
Generally allowedPrivate wells are regulated at the state level by the Water Well Board, and no town ordinance restricting private wells was found; New London also has a separate water precinct serving some areas. source
Living disconnected from utilities
Varies locallyThere's no outright ban on disconnecting from electric or water utilities, but state law (RSA 147:8) can require connection to a public sewer within a set distance, and New London's own septic regulation applies to any off-grid parcel using a septic system. source

Who to call in New London

Offices named on official pages during research. Phone numbers appear only when the official page showed one; confirm hours and jurisdiction before you drive out.

I've been digging into what off-grid living actually looks like in New London, New Hampshire, and the short version is: this is a zoned town with active enforcement, not a quiet backwoods loophole. If you're picturing raw land and total freedom from permits, New London isn't that town. But plenty of the pieces (wells, composting toilets, careful septic use) are workable if you go through the right offices.

Zoning is real here. New London's Planning & Zoning Department administers a 2024 Zoning Ordinance with maps and district-based rules, and the Zoning Board of Adjustment actively hears special exceptions and variances. Anything outside a permitted use in your district, including informal land occupancy, would need to go through that process. I'd call the Town Planner's office before assuming anything is allowed.

Dwellings, tiny homes, and RVs: I couldn't find a New London-specific ordinance addressing tiny homes or RVs as permanent dwellings. That doesn't mean they're fine, it means the general Zoning Ordinance and Building/Zoning Permit process would apply, and you'd want the Planning & Zoning Department to confirm how they'd classify your structure.

Building permits are required and issued locally through the town's Building Department. New Hampshire's state building code (administered at the municipal level per the State Fire Marshal's office) sets the baseline, but New London handles the actual permitting.

Septic is where New London has gotten notably more active. The town's Health Officer and Board of Selectmen adopted a septic health regulation (approved December 2024, effective January 1, 2026) requiring individual sewage disposal systems to be pumped and inspected at least every three years. That applies whether you're on or off the grid. Composting toilets and outhouses fall under state DHHS guidance under RSA 147, permitted with local health officer approval on siting and construction.

Greywater and rainwater harvesting I couldn't confirm at the town level at all, there's no dedicated ordinance I could find either way. Treat this as genuinely unclear and check with the Health Officer or Planning Department before building a system.

Private wells are permitted and regulated by the state Water Well Board; I found no town restriction. New London also runs a separate water precinct (New London/Springfield Water Precinct) in some areas, distinct from the town's own sewer system.

Disconnecting from utilities entirely isn't outright banned, but if you're near a public sewer line, New Hampshire state law (RSA 147:8) can require connection within a set distance, and New London's own sewer ordinance should be checked for its specific terms. If you're on septic, the new pumping/inspection regulation applies regardless of how "off-grid" the rest of your setup is.

Bottom line: New London is workable for a well-planned off-grid setup, especially around water and waste, but you'll be dealing with real zoning and health department oversight the whole way.

New London in numbers

Worst-month sun
2.6 peak hours/day (4.6 annual average)
Heating degree days
7,441
Precipitation / snow
47.47 in / ? in a year
Frost-free season
05-03 to 10-08
Elevation
1,296 ft

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30-year climate normals for the nearest ZIP and distances from the town center; a specific parcel will differ. Run the site report on an address for its own numbers.

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FAQ

Common questions about off-grid living in New London

Is it legal to live off-grid in New London, New Hampshire?

There is no outright ban on living off-grid in New London, New Hampshire - it is legal but regulated. Zoning and land use are set locally and vary by area, putting a cabin, tiny home, or RV on raw land is not clearly documented online, so confirm it locally, and building permits are restricted. Plan around septic/wastewater (restricted) and disconnecting from utilities (set locally and vary by area). Because these rules are set locally, confirm the specifics with New London before you buy land or build.

Can I just buy land in New London and live off-grid without permits?

Not really. New London is a zoned town with an active Zoning Board of Adjustment, so land use outside what's permitted in your zoning district generally needs approval, and building permits are required for structures.

Are composting toilets legal in New London?

Yes, under state DHHS guidance for privies and non-water-conveying toilets, but they need approval from the town's Health Officer on siting and construction.

Do I need to maintain my septic system if I'm off-grid?

Yes. A town septic health regulation effective January 1, 2026 requires pumping and inspection of individual sewage systems at least every three years, regardless of your utility hookups.

Can I collect rainwater or reuse greywater legally?

It's not clearly addressed by any New London ordinance I found. I'd call the Health Officer or Planning & Zoning Department before setting up a system, since it's genuinely unconfirmed territory.

Is drilling a private well allowed?

Yes, private wells are permitted and regulated at the state level by New Hampshire's Water Well Board, and no town ordinance restricting them was found.