On this page 5
§ 02
When a permit is required
Permit triggers and exempt work for Brentwood
New construction, additions, alterations, and other regulated
Not specified publicly; contact the Building Inspector at (603) 642-6400
- Exempt Not specified publicly; contact the Building Inspector at (603) 642-6400
Required documents
- Completed application and plans
- contact department
- Building code
- NH State Building Code (RSA 155-A)
- Owner-builder
- Not specified publicly
- Contractor requirements
- State-licensed trades required
Source: Building Inspector ↗
§ 03
Fee schedule
Brentwood building permit fees
Fee type
Amount
01
Minimum permit fee
$50 (residential); $100 (commercial)
02
Plan check fee
Not specified publicly
03
Permit fee formula
Heated space = $0.50/sq ft (minimum $50 residential, $100 commercial);
Fees non-refundable; contact department for payment options
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 04
Required inspections
Scheduling and sequence
§ 05
Frequently asked
Common questions about Brentwood permits
01 Do I need a building permit in Brentwood, NH? ▸
New construction, additions, alterations, and other regulated
02 How much does a building permit cost in Brentwood, NH? ▸
Building permit fees in Brentwood, NH are set by the local building department and vary by project type and valuation. The minimum permit fee is $50 (residential); $100 (commercial). Fees are calculated as: Heated space = $0.50/sq ft (minimum $50 residential, $100 commercial);. Plan check fee: Not specified publicly.
03 How long does it take to get a building permit in Brentwood, NH? ▸
Building permit processing times in Brentwood, NH typically run Not specified; contact department. Timelines can vary based on project complexity and current department workload.
04 What work is exempt from building permits in Brentwood, NH? ▸
Not all construction work requires a permit in Brentwood, NH. The following work is generally exempt: Not specified publicly; contact the Building Inspector at (603) 642-6400. When in doubt, confirm with the local building department before starting work.
last verified April 2026
source Building Inspector ↗
entry id permits/new-hampshire/rockingham/brentwood
Educational reference. Permit rules and fees change — confirm current requirements directly with Building Inspector before applying. Jaspector is not legal advice.