Off-Grid Laws › New Hampshire › Carroll County

Off-Grid Living in Chatham, New Hampshire

Chatham, NH is a tiny, mostly national-forest town where I could not confirm any published zoning ordinance or building code page, so a lot here comes down to a phone call to the Town Office. Septic and wells default to New Hampshire state rules (DES and the Water Well Board) since no town-specific rules turned up in my research.

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

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

Read this before you act on anything below. This is my researched starting point for Chatham, 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 20266 government, statute, or municipal sources are linked below; the verdict card cites them where a match exists.

The verdict for Chatham

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

Chatham at a glance

Zoning & raw-land occupancy
Unclear - verifyI could not find an official Chatham zoning ordinance, zoning map, or planning/zoning board page on the town's site or any municipal code host. Zoning in New Hampshire is optional and set town-by-town under state law (RSA 674), so Chatham may be unzoned, may have an unpublished ordinance, or just lacks a web presence for it. Call the Town Office to confirm. source
Dwellings, tiny homes & RVs
Unclear - verifyNo Chatham-specific rule on tiny homes, ADUs, or RV living turned up in my research. Not confirmed either way, ask the Selectboard/Town Office directly.
Building permits & codes
Varies locallyThere's no dedicated Chatham building-code page I could find. In a town this small, permitting is typically handled directly through the Selectboard rather than a separate building department, but whether Chatham has locally adopted the state building code (under RSA 155-A) or just defers to the state isn't confirmed. Verify by phone. source
Septic & composting toilets
Generally allowedSeptic systems in Chatham fall under New Hampshire's statewide rules administered by the NH Department of Environmental Services, Subsurface Systems Bureau. I found no separate Chatham health ordinance layered on top of that. source
Greywater reuse
Unclear - verifyNo Chatham-specific greywater rule turned up, and I did not find a clear statewide DES greywater rule either. Treat this as unresolved and ask DES or the Town Office directly.
Rainwater harvesting
Unclear - verifyNo Chatham ordinance on rainwater harvesting was found. Baseline would likely be whatever the state building/plumbing code says, but this isn't confirmed at the town level.
Private wells & water rights
Generally allowedPrivate wells in Chatham are governed by New Hampshire's statewide Water Well Board rules (RSA 482-B), administered by NH DES. No separate town well ordinance was found. source
Living disconnected from utilities
Unclear - verifyI found no Chatham subdivision regulation or ordinance requiring hookup to utilities. Given how rural and forested the town is (much of it sits inside the White Mountain National Forest), municipal water and sewer likely don't even exist to mandate hookup to, but that's my inference, not an official confirmation.

Who to call in Chatham

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'll be straight with you: Chatham, New Hampshire is one of the harder towns I've researched for this site, not because the rules are strict, but because I simply couldn't find them published anywhere official. This is a tiny town, under 350 people, and most of its land area sits inside the White Mountain National Forest. That geography alone tells you a lot about why off-grid living is even a question here.

Zoning: I went looking for a Chatham zoning ordinance, a zoning map, or a planning/zoning board page on the town's own site (chathamnh.org) and on the usual municipal code hosts, and came up empty. Under New Hampshire law (RSA 674), zoning is entirely optional and left to each town, so it's genuinely possible Chatham has no formal zoning ordinance, or has one that just isn't posted online. I'm not going to guess either way. Call the Town Office and ask directly whether zoning applies to your parcel.

Dwellings, tiny homes, RVs: Same story, nothing I could confirm officially. Don't assume either permissiveness or restriction here.

Building permits: There's no separate building department page for Chatham that I could locate. In towns this small, my sense is the Selectboard often handles permitting directly rather than maintaining a dedicated building office, but whether Chatham has locally adopted the state building code or just defers to New Hampshire's baseline isn't something I could confirm. Ask when you call.

Septic: This one I can give you more confidence on. Septic systems statewide, Chatham included, fall under the New Hampshire Department of Environmental Services' Subsurface Systems Bureau rules. I didn't find any Chatham-specific health ordinance layered on top, so the state rule is likely your governing framework.

Wells: Similarly, private wells across New Hampshire are governed by the state's Water Well Board under RSA 482-B, administered by DES. No town-specific well ordinance turned up for Chatham.

Greywater and rainwater harvesting: I couldn't confirm rules either way at the state or town level for Chatham specifically. Don't take silence as permission, ask DES and the Town Office.

Utility disconnection: I found no ordinance requiring hookup to municipal water or sewer, and honestly, given how rural this town is, I'd be surprised if that kind of infrastructure even exists to hook up to. But that's my read of the situation, not an official confirmation.

Bottom line: Chatham may be one of the more off-grid-friendly towns in New Hampshire simply because it's so small and undocumented online, but "undocumented" is not the same as "confirmed legal." Get on the phone with the Town Office before you buy land or start building.

Chatham in numbers

Worst-month sun
2.9 peak hours/day (4.6 annual average)
Heating degree days
7,904
Precipitation / snow
48.73 in / ? in a year
Frost-free season
05-17 to 09-24
Elevation
525 ft

Open the full site report for this spot →

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.

Sources

Primary sources (statutes, agencies, municipal documents)

Only government, statute, municipal, university, and regional-planning sources are listed. Pages used to find an issue but not to substantiate it are not cited. See how this database is researched.

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Live here? Help keep Chatham accurate.

Residents, landowners, builders, and town officials: confirm what is right or tell me what is wrong. Every note is checked before it appears. Two minutes, no account.

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FAQ

Common questions about off-grid living in Chatham

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

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

Does Chatham, NH have a zoning ordinance?

I could not find one published on the town's official website or any municipal code host. New Hampshire law leaves zoning entirely up to each town, so Chatham may be unzoned or may simply lack an online copy of its ordinance. Call the Town Office to confirm before assuming either way.

Can I put a tiny home or RV on land in Chatham?

Not confirmed. I found no Chatham-specific rule addressing this, so you'll need to ask the Selectboard or Town Office directly.

Are septic systems and wells regulated in Chatham?

Yes, but at the state level. Septic falls under NH DES's Subsurface Systems Bureau rules, and wells fall under the state Water Well Board (RSA 482-B). I found no additional Chatham-specific requirements layered on these.

Who do I call to check the rules in Chatham?

Start with the Chatham Town Clerk/Selectboard at 603-694-2117, since I couldn't find separate zoning or building department contacts for this small town.

Keep exploring

Off-grid rules in nearby Carroll County towns

In New Hampshire, every town sets its own rules - here are the neighbors.