State guide
New Hampshire
New Hampshire requires written disclosure before sale, lease, or rental when methamphetamine production has occurred on the property and cleanup has not yet been determined sufficient by NHDES. The official pages reviewed did not show a statewide online meth-property registry or a numeric statewide wipe standard, but RSA 477:4-g says NHDES’s cleanup determination is public information available on request.
Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.
- Contaminated property list
- No statewide online meth-property registry was found; RSA 477:4-g says NHDES’s determination that a property meets remediation cleanup standards is public information available upon request.
- Official property list
- Official page →
- Seller and landlord disclosure
- RSA 477:4-g requires the seller, transferor, lessor, or owner to disclose in writing, before signing, if methamphetamine production has occurred on the property and cleanup has not yet been determined sufficient.
- Cleanup standard
- Not published by an official source we could verify. Ask the office.
- State program
- New Hampshire Department of Environmental Services (NHDES).
Official resources in New Hampshire
This statute sets the written disclosure rule and says NHDES’s cleanup determination is public information available upon request.
NHDES publishes a Remediation Sites layer that includes site fields such as SITE_NO and ONESTOP_LINK.
This public NHDES map service includes the Remediation Sites layer among the environmental datasets available online.
DEA’s official register is the public nationwide address list for reported clandestine labs and dumpsites.
Key facts for New Hampshire
- RSA 477:4-g requires written disclosure if methamphetamine production has occurred on the property and cleanup has not yet been determined sufficient.
- The disclosure duty applies before signing a purchase, lease, or rental agreement.
- RSA 477:4-g says NHDES or any licensed environmental or hazardous substances removal specialist determines whether cleanup standards are met.
- RSA 477:4-g says the cleanup determination is public information available upon request from NHDES.
- NHDES publishes a public Remediation Sites GIS layer with SITE_NO and ONESTOP_LINK fields.
- No numeric statewide meth wipe standard was found on the official New Hampshire pages reviewed.
Local meth property programs in New Hampshire
| Program | city | phone | Details |
|---|---|---|---|
| Hazardous Waste Management Bureau Merrimack | Concord | Not published* | NHDES hazardous waste bureau contact published on official Waste Management Division materials. |
* Not published: the official page doesn't list it. Call the office to confirm before you rely on it.
What to do next
- Before buying or renting, ask the owner for the RSA 477:4-g disclosure and any NHDES or specialist cleanup determination.
- Search the address in NHDES remediation mapping tools and, if needed, request the public cleanup determination from NHDES.
- If you find a DEA register hit for the address, ask NHDES whether a remediation record or determination exists for that site.
Not seeing your program or county?
Not every program publishes its rules online. Try these, in order:
- General Start with the statewide information above.
- Closest verified Nearest places where we have verified local data outside this state (distance from New Hampshire's population center, for comparison only):
- Vermont Department of Environmental Conservation, Sites Management Section, Vermont · about 91 miles
- Vermont State Police Clandestine Laboratory Enforcement Team, Vermont · about 92 miles
- Environmental and Occupational Health Assessment Program, Connecticut · about 115 miles
- Call to confirm Ask the official office.RSA 477:4-g
Website →Phone not shown: use the contact page on the official website above.Your city or county office: Local governments →Not sure who handles it locally? USAGov's free help line, 1-844-872-4681, or the New Hampshire page on USA.gov can point you to the right office. - Know the current info? Tell us with a link to the official page.