City Building Permits
Town of Farmington, NH - 2026 Building Permit Guide
How to apply for a building permit in Town of Farmington, New Hampshire. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Town of Farmington issues all building, electrical, plumbing, and mechanical permits within town limits.
- Department
- Planning and Community Development / Code Enforcement
- Address
- 356 Main Street, Farmington, NH 03835
- Phone
- (603) 755-2774
- [email protected]
Online Permit Portal
Platform: Paper-based • Account required: No • Submission: In-person only
Additional resources:
Application Process
- Download the Major or Minor Building Permit Application from the Planning and Community Development page.
- Complete the application with material list, cost of construction, and project description.
- Email or bring in the application; trade permits (electrical, plumbing, gas, HVAC) must be obtained separately.
- All trade technicians must have a valid NH state license.
- Allow up to 30 days for processing; additional time if application is incomplete.
- Building Inspector reviews; inspections must be scheduled at least 48 hours in advance.
- Rough-in inspection before any work is covered; final inspection when complete.
- Permit issued; post on job site.
Typical processing time: Up to 30 days
Source: Planning and Community Development / Code Enforcement
General Requirements
New construction, additions, alterations, demolition, and any trade work (electrical, plumbing, gas, HVAC); each trade requires a separate permit with a licensed technician.
Required Documents
- Material list
- Cost of construction
- Site plan
- Floor plans
- Building code
- NH State Building Code (RSA 155-A) with International Codes and NH amendments.
- Contractor requirements
- All electrical, plumbing, gas, and mechanical work requires a valid NH state license.
Fees
- Minimum permit fee
- $100.00
- Plan check fee
- Included in permit fee
- Permit fee formula
- $7.50 per $1,000 of construction value plus $100.00 base fee; valuation calculated at $70/sq ft (residential livable), $35/sq ft (non-livable), $20/sq ft (porches, decks, sheds).
- Payment note
- Contact the department.
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
- Roofing or siding replacement
- Replacement windows or doors (exact same size only)
- Sheds under 120 sq ft (10x12) if setback requirements are met
- Fencing 7 feet and under (finished side must face neighbor; fence must be on property line)
- Retaining walls under 4 feet
Inspections
How to Schedule
- (603) 755-2774 (phone)
- Scheduling deadline
- At least 48 hours notice required
- Inspection hours
- Monday-Friday 8:00 a.m. to 5:00 p.m. (Building Inspector in and out of office; schedule in advance)
Typical inspection sequence: Rough-in inspection before work is covered; final inspection when all work is complete; reinforcing steel inspection before concrete placement.
Additional Resources
- Building code: NH State Building Code (RSA 155-A) with International Codes and NH amendments.
- Zoning information: View zoning info
- Exempt Work FAQ
- Permit Applications Page
- License lookup guide: New Hampshire Contractor License Requirements
- Contract template: New Hampshire Homeowner-Contractor Agreement
- New Hampshire hub: New Hampshire Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Planning and Community Development / Code Enforcement before applying.
Frequently Asked Questions
Town of Farmington Building Permit FAQ
- Do I need a building permit in Town of Farmington, NH?
- New construction, additions, alterations, demolition, and any trade work (electrical, plumbing, gas, HVAC); each trade requires a separate permit with a licensed technician.
- How much does a building permit cost in Town of Farmington, NH?
- The minimum permit fee is $100.00. Fees are calculated as: $7.50 per $1,000 of construction value plus $100.00 base fee; valuation calculated at $70/sq ft (residential livable), $35/sq ft (non-livable), $20/sq ft (porches, decks, sheds).. Plan check fee: Included in permit fee.
- How do I apply for a building permit in Town of Farmington, NH?
- 1. Download the Major or Minor Building Permit Application from the Planning and Community Development page. 2. Complete the application with material list, cost of construction, and project description. 3. Email or bring in the application; trade permits (electrical, plumbing, gas, HVAC) must be obtained separately. 4. All trade technicians must have a valid NH state license. 5. Allow up to 30 days for processing; additional time if application is incomplete. 6. Building Inspector reviews; inspections must be scheduled at least 48 hours in advance. 7. Rough-in inspection before any work is covered; final inspection when complete. 8. Permit issued; post on job site.
- How long does it take to get a building permit in Town of Farmington, NH?
- Typical processing time is Up to 30 days.
- What work is exempt from building permits in Town of Farmington, NH?
- The following work is generally exempt: Roofing or siding replacement; Replacement windows or doors (exact same size only); Sheds under 120 sq ft (10x12) if setback requirements are met; Fencing 7 feet and under (finished side must face neighbor; fence must be on property line); Retaining walls under 4 feet.
- How do I schedule a building inspection in Town of Farmington, NH?
- Inspections can be scheduled via: (603) 755-2774. At least 48 hours notice required.
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