Barrington's ordinance predates the 2025 state law overhaul, so several provisions — including a mandatory shared electric meter and an interior…
Read the full Barrington ADU guide →Dover's newest published ADU paperwork is still dated 2021 and shows no update for the state's July 2025 ADU law — it caps units at 800 sq ft, only…
Read the full Dover ADU guide →Lee rewrote its ADU rules at the March 10, 2026 town election and did a genuinely good job — detached units are in, the size cap is 1,000 sq ft (more…
Read the full Lee ADU guide →Madbury rewrote its ADU section in March 2025 — but that was four months BEFORE the new state law took effect, and the town spent its entire 2026…
Read the full Madbury ADU guide →Rochester's posted ADU rules (last amended 2017-2019) still require a Zoning Board special exception for any DETACHED accessory apartment — but since…
Read the full Rochester ADU guide →Strafford's ADU ordinance dates to March 2017 and still requires a full ZBA special-exception hearing, gates detached units behind full 2-acre lot…
Read the full Strafford ADU guide →Get a free personalized ADU report for your property in Strafford County.
Get My Free ADU Report →Wherever a town's rules are stricter than the state floor, the state law controls. Read the full New Hampshire ADU law explainer →