What Can a Handyman Do Without a License in Portsmouth, New Hampshire (Rockingham County)?
New Hampshire has no state-level general contractor license requirement, making it one of the most permissive states for handymen. However, specific trades (electrical, plumbing, HVAC, gas fitting) require state licenses. Portsmouth requires building permits for code-regulated work but no city business license. All handymen must register with the NH Office of Professional Licensure and Certification (OPLC) for a $100 home improvement contractor registration and carry $25,000 minimum liability insurance. Work in Portsmouth's historic district requires Heritage Commission approval for exterior changes.
✅ What You Can Do Without a License
- General carpentry and framing (non-structural)
- Painting and staining (interior and exterior)
- Drywall repair and installation (non-load-bearing)
- Flooring installation (except structural modifications)
- Landscaping and yard work
- Deck and porch construction (if not requiring structural engineering)
- Door and window installation (if not affecting structural integrity)
- Cabinet installation and trim work
- Tile work and backsplash installation
- General handyman repairs and maintenance
Common Jobs Handymen Take in Portsmouth
Based on the NH threshold, handymen in Portsmouth commonly take on:
- Painting and staining (interior and exterior)
- Drywall repair and installation (non-load-bearing)
- Flooring installation (except structural modifications)
- Door and window installation (if not affecting structural integrity)
- Cabinet installation and trim work
- Tile work and backsplash installation
- General handyman repairs and maintenance
⚠️ What Requires a License
- Any electrical work beyond simple fixture changes (requires Master or Journeyman Electrician license)
- Any plumbing work beyond fixture replacement (requires Master or Journeyman Plumber license)
- HVAC system installation, repair, or replacement (requires Gas Fitter or HVAC Service Technician license)
- Gas fitting and gas line work (requires Gas Fitter license)
- Asbestos abatement or removal (requires NH Bureau of Health Risk Assessment certification)
- Lead abatement or lead paint removal (requires NH Bureau of Health Risk Assessment certification)
- Structural modifications or load-bearing work (may require licensed engineer or contractor)
- Well drilling or well system work (requires Well Driller license)
Business License — Portsmouth
Not required at the city level.
Setting Up Your Business in NH
To get paid professionally and protect yourself, register your business. LLC filing fee in NH: $100 (one-time). You'll also need a free EIN from the IRS and a business checking account.
Your Next Steps to Operating Legally in Portsmouth
- Step 1: Register your business as an LLC with the NH Secretary of State ($100 filing fee). File online at sos.nh.gov/corporations (NH QuickStart) for fastest processing.
- Step 2: Register as a Home Improvement Contractor with the NH OPLC ($100 registration fee). Obtain general liability insurance ($25,000 minimum per occurrence) and submit certificate of insurance naming the State of New Hampshire as certificate holder.
- Step 3: Obtain general liability insurance from an insurance provider. Ensure the policy covers home improvement work and names the State of New Hampshire as certificate holder.
- Step 4: If operating from a home address in Portsmouth, contact the Planning & Zoning Department (603-610-7216) to determine if a home occupation permit is required.
- Step 5: Verify exemption limits and trade licensing requirements with the NH OPLC (603-271-2152 or oplc.nh.gov). Confirm which work requires trade licenses in your service area.
- Step 6: Before starting any project, contact the Portsmouth Building Division (603-610-7221) to determine if a building permit is required.
- Step 7: If working on historic properties in Portsmouth, contact the Heritage Commission (603-610-7220) to determine if a Certificate of Appropriateness is required.
- Step 8: Keep detailed records of all registrations, insurance, permits, and licenses. Display your OPLC registration number on all contracts and advertising.
Licensing rules and fees change over time, so this information may be out of date. Verify all requirements with your local licensing authority before making business decisions.