Skip to main content

NH · County

Rockingham County, NH.

Population: ~314,000. Second most Contains NH''s 18-mile Significant Portsmouth Coastal

Coverage in progress Coastal
Adopted edition

Coverage in progress

Local amendments override state floor.

Design wind speed

125 mph

ASCE 7 Risk Cat II, 3-second gust at 33 ft. Drives fastener spacing, hold-downs, and opening protection.

Climate zone (IECC)

5A

Drives R-value, fenestration U-factor, and air-leakage envelope rules.

Special zones
  • HVHZ
  • WBDR
  • WUI
  • FEMA SFHA possible
Permit office

Rockingham County County Building Department

Local conditions
  • County seat: Brentwood

Common amendments + overlays

What's specific to this county.

  • §01 Coastal flood-zone overlays (FEMA AE/VE).
  • §02 County has local amendments to the state floor — consult the building department.

Working in Rockingham County?

Pull an address-level code packet for any property in Rockingham County. SkyCanvass resolves the parcel, looks up the adopted edition + the Rockingham County-specific amendments listed above, and emits a cited packet ready for permit submittal.

See the New Hampshire state overview for the broader context, or browse the state directory.

Pull a Rockingham County code packet.

Free to start — property lookups, state code access, the hail map, and your first storm report on us. No credit card required to look up an address.