Franklin Zoning & Land Use Guide
What we have on file vs. what to verify locally
We don't have editor-verified zoning prose for Franklinyet. Here's the structured data we do have, and the highest-leverage steps to confirm specifics for your parcel.
What we have on file
- Population:
- 8,823 (2024 Census Vintage)
- County:
- Merrimack County
- State building code:
- NH State Building Code (based on 2018 IBC)(statewide default)
- State ADU law:
- Yes — New Hampshire RSA 674:71-73 (enacted by SB 146, signed March 2016) requires municipalities that adopt zoning to allow at least one accessory dwelling unit as a matter of right or by conditional use permit/special exception in all zoning districts that permit single-family dwellings. HB 1291 (2024), which would have expanded this to two ADUs by right, passed the House but was killed in the Senate.
- FEMA flood map:
- Search flood zones
- Planning department:
- Franklin Planning Department
- Municipal code:
- View code online
- Zoning map:
- View city zoning map
Verify these locally
- Contact the Franklin Planning Department via their official site to confirm zoning for your address.
- Search the municipal code for the chapter that covers your zoning district and proposed use.
- Use the city zoning map to look up your parcel's zoning designation before applying for a permit.
- Check FEMA flood zone for your parcel — flood-zone status changes setbacks, foundation requirements, and insurance.
Key Zoning Facts
Regulatory Layers That Apply in Franklin
Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.
Federal
- FEMA Flood Zones: Applicable
- View FEMA Flood Map
State — New Hampshire
- Building Code: NH State Building Code (based on 2018 IBC)
- State ADU Override: Yes (HB 1291 (2024) requires all municipalities in New Hampshire to allow accessory dwelling units as a permitted use on any lot that allows single-family dwellings, limiting the ability of local governments to prohibit ADUs outright.)
County — Merrimack County
City / Municipal
The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.
Overlay Districts
No overlay districts identified.
Private Restrictions
- HOA / CC&Rs common: No
Statewide Context (New Hampshire)
Local data for Franklin is limited. The following state-level facts apply across New Hampshire and are inherited by this page until city-specific details are verified.
- State Building Code
- NH State Building Code (based on 2018 IBC)
- State ADU Preemption
- Yes — state law overrides local rules
- Coastal Zone
- Yes
- Wildfire Zones
- No
ADU Rules in Franklin
State law (statewide context, not city-specific):
New Hampshire RSA 674:71-73 (enacted by SB 146, signed March 2016) requires municipalities that adopt zoning to allow at least one accessory dwelling unit as a matter of right or by conditional use permit/special exception in all zoning districts that permit single-family dwellings. HB 1291 (2024), which would have expanded this to two ADUs by right, passed the House but was killed in the Senate.
For local size, setback, and parking specifics, contact the Franklin Planning Department.
Permit Costs & Timelines
Permit Costs & Timelines
Specific permit fee schedules for Franklin are available from the local planning department. Fees vary based on project type, scope, and valuation.
Check Franklin permit fees →Official Sources
City-specific