Somersworth, NH — 2026 Building Permit Guide

On this page 6

§ 01

Permit authority

Office of Code Enforcement (Development Services)

Street address

Somersworth City Hall, 1 Government Way, Somersworth, NH 03878

Phone

(603) 692-9520

Coverage

City of Somersworth issues all building, electrical, plumbing, and mechanical permits within city limits.

Online portal

City of Somersworth Code Enforcement

Paper-based

Additional resources

City Website ↗

§ 02

When a permit is required

Permit triggers and exempt work for Somersworth

ALL construction work requires a permit unless the Code Enforcement office specifically advises otherwise. Building, electrical, plumbing, and mechanical permits are all separate.

Scope of work

Permit?

Work specifically deemed exempt by the Code Enforcement office after inquiry

Exempt

Exempt Work specifically deemed exempt by the Code Enforcement office after inquiry

Note: Somersworth states that ALL work requires a permit unless the office confirms otherwise; there is no published general exemption list. Contact (603) 692-9520 to confirm whether specific work requires a permit.

Required documents

Completed application
Plans showing scope of work
Licensed contractor information for trade work

Building code: NH State Building Code (RSA 155-A) with adopted amendments (updated as of August 13, 2024 per NH Department of Safety).
Contractor requirements: All trade work requires NH state licensure.

§ 03

Application process

Typical processing: 5 to 7 business days

01

Download or pick up the permit application from the Development Services office at City Hall, 1 Government Way, or from www.somersworth.com.
02

Complete the application with full project description and estimated construction value.
03

Submit application and required documents to the Code Enforcement office.
04

Pay the permit fee.
05

Staff reviews application; typical turnaround is 5 to 7 business days.
06

Permit issued upon approval; post permit on job site.
07

Schedule inspections by calling (603) 692-9520 with at least 24 hours notice.
08

Final inspection conducted by all relevant inspectors before Certificate of Occupancy.

Typical processing time: 5 to 7 business days

Source: Office of Code Enforcement (Development Services) ↗

§ 04

Fee schedule

Somersworth building permit fees

Fee type

Amount

Minimum permit fee

$25.00

Plan check fee

Included in review

Permit fee formula

Residential (labor included): $9.00 per $1,000 of construction value plus $25.00 application fee. Residential (labor excluded): $12.00 per $1,000 of construction value plus $25.00 application fee. Commercial/Industrial: $9.00 per $1,000 of construction value plus $25.00 application fee.

Payment due at application submission.

Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule

(603) 692-9520 (phone)

Scheduling deadline: At least 24 hours notice required
Time windows: Morning and afternoon windows available

Typical sequence: Required at various stages of construction (rough-in, before work is covered, and final). Final inspection conducted by all relevant inspectors. Health licenses and zoning verification inspections also available.

§ 06

Frequently asked

Common questions about Somersworth permits

01 Do I need a building permit in Somersworth, NH? ▸

ALL construction work requires a permit unless the Code Enforcement office specifically advises otherwise. Building, electrical, plumbing, and mechanical permits are all separate.

02 How much does a building permit cost in Somersworth, NH? ▸

Building permit fees in Somersworth, NH are set by the local building department and vary by project type and valuation. The minimum permit fee is $25.00. Fees are calculated as: Residential (labor included): $9.00 per $1,000 of construction value plus $25.00 application fee. Residential (labor excluded): $12.00 per $1,000 of construction value plus $25.00 application fee. Commercial/Industrial: $9.00 per $1,000 of construction value plus $25.00 application fee.. Plan check fee: Included in review.

03 How do I apply for a building permit in Somersworth, NH? ▸

To apply for a building permit in Somersworth, NH, follow these steps: 1. Download or pick up the permit application from the Development Services office at City Hall, 1 Government Way, or from www.somersworth.com. 2. Complete the application with full project description and estimated construction value. 3. Submit application and required documents to the Code Enforcement office. 4. Pay the permit fee. 5. Staff reviews application; typical turnaround is 5 to 7 business days. 6. Permit issued upon approval; post permit on job site. 7. Schedule inspections by calling (603) 692-9520 with at least 24 hours notice. 8. Final inspection conducted by all relevant inspectors before Certificate of Occupancy.

04 How long does it take to get a building permit in Somersworth, NH? ▸

Building permit processing times in Somersworth, NH typically run 5 to 7 business days. Timelines can vary based on project complexity and current department workload.

05 What work is exempt from building permits in Somersworth, NH? ▸

Not all construction work requires a permit in Somersworth, NH. The following work is generally exempt: Work specifically deemed exempt by the Code Enforcement office after inquiry. Note: Somersworth states that ALL work requires a permit unless the office confirms otherwise; there is no published general exemption list. Contact (603) 692-9520 to confirm whether specific work requires a permit. When in doubt, confirm with the local building department before starting work.

06 How do I schedule a building inspection in Somersworth, NH? ▸

Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Somersworth, NH via: (603) 692-9520. At least 24 hours notice required.

last verified April 2026 source Office of Code Enforcement (Development Services) ↗ entry id permits/new-hampshire/strafford/somersworth

Report a correction

Educational reference. Permit rules and fees change — confirm current requirements directly with Office of Code Enforcement (Development Services) before applying. Jaspector is not legal advice.

City of Somersworth

Other jurisdictions in Strafford County.