- Roofing permits on record
- 138
- Adopted code
- 2021 (NH State Building Code) IRC
- Snapshot
- October 30, 2026
How many roofs are replaced in Merrimack County?
Hail Pro has 138 roofing permits on record for Merrimack County, NH, including 23 issued in the past 12 months; the latest was issued October 28, 2026. Each permit is linked to its property, so the last re-roof date shows on the property card in Hail Pro.
| Permit data | Merrimack County, NH |
|---|---|
| Roofing permits | 138 |
| All building permits | 46,648 |
| Roofing permits, past 12 months | 23 |
| Records since | 2016 |
What building code applies to roofs in Merrimack County?
Merrimack (county jurisdiction) enforces the 2021 (NH State Building Code) IRC.
The roofing requirements behind it (design wind speed, snow load, underlayment, ice barrier, impact rating, tear-off rules) are in Hail Pro.
Do you need a permit to replace a roof in Merrimack County?
Most jurisdictions that enforce a building code require a permit for a full roof replacement and inspect the work; repairs below a local threshold are often exempt. Confirm with the building department for the property's city, or Merrimack County for unincorporated areas. Background: do you need a permit to replace a roof.