The Hunterdon Scoop / Hire

General contractors in Hunterdon County

Additions and gut renovations: the hires that go through permits, inspections, and your savings.

Skip to all 96 businesses filed under General Contracting & Remodeling in the county directory ↓

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What it costs

Per 2026 NJ-wide pricing guides (Jayhawk Construction, The 5th Wall Co.): a standard finished room addition in New Jersey runs about $250-$375/sq ft, basic additions $175-$275/sq ft, bathroom/primary-suite additions $325-$500/sq ft, and second-story additions $300-$550/sq ft. Building out (single-story) is cheaper than building up. NJ prices generally run 15-25% above national averages due to labor and code costs. No Hunterdon-specific pricing source was found, these are statewide figures, treat as directional.

Before you hire

  1. Confirm the HIC registration number is active right now, not just printed on their truck. Search it yourself at newjersey.mylicense.com rather than trusting a website badge, since registrations lapse and directory sites (BuildZoom, Angi) can be months stale.
  2. Get the contract in writing before any deposit, and check it against NJ's Home Improvement Contractor rules: a fixed start/completion date, a total price, a payment schedule tied to completed work stages (never front-load the deposit), and the HIC number printed on the contract itself, NJ law caps upfront deposits and requires this paperwork.
  3. For anything that adds square footage (additions, dormers, second stories), ask who is pulling the township building permit and zoning variance if needed, Hunterdon's rural towns (Kingwood, Delaware Twp, Franklin Twp, etc.) often have setback and septic/well rules that trip up out-of-area contractors unfamiliar with the local zoning office.
  4. Ask for two references from jobs completed in the last 12 months specifically in Hunterdon County, not just anywhere in central NJ, so you can call a neighbor-adjacent homeowner and ask about permit delays, change-order pricing, and whether the crew showed up when promised.
  5. Get proof of current general liability insurance (NJ requires at least $500,000 per occurrence for HIC work) and workers' comp coverage in writing, not a verbal assurance, an uninsured subcontractor getting hurt on your property is your liability if the GC's coverage has lapsed.

General contractors doing additions, remodels, and most residential home-improvement work in New Jersey must be registered as a Home Improvement Contractor (HIC). It is not a trade-exam license but a state registration with proof of $500,000+ general liability insurance and workers' comp. Registration numbers follow the format 13VH#######00. Check status directly at the NJ Division of Consumer Affairs registry search: https://newjersey.mylicense.com/verification/ (or start at https://www.njconsumeraffairs.gov/hic/Pages/default.aspx). Do not rely on a number printed on a website: third-party directories lag the state, and a registration can be expired while the web presence still looks current.

Do it in your browser: check any license · check your quote · the storm-chaser test

The local picture

Real, independently-run general contractors are genuinely present here, including multiple owner-operated shops with more than twenty years on the ground.

Questions neighbors actually ask

Do I need a licensed contractor for a home addition in Hunterdon County, or can I just hire a handyman?

For an addition or any major renovation, New Jersey requires the business to be registered as a Home Improvement Contractor (HIC) with the state, this isn't optional, and it's separate from any township building permit. A handyman doing small repairs under a certain dollar threshold may not need it, but framing a new room, adding a dormer, or any structural work absolutely does. Always ask for the HIC number and verify it yourself rather than taking their word for it.

How much does a home addition actually cost in Hunterdon County?

Based on 2026 New Jersey-wide pricing guides, a standard finished room addition runs roughly $250-$375 per square foot, with basic additions starting around $175-$275/sq ft and bathroom or primary-suite additions running $325-$500/sq ft. Building out (a single-story addition) is cheaper than building up (a second story), which can run $300-$550/sq ft. New Jersey prices generally sit 15-25% above national averages because of labor rates and code requirements, get itemized quotes from at least two Hunterdon-area contractors before assuming a number is fair.

Why do some of these contractors show 'not BBB accredited', is that a red flag?

Not automatically. BBB accreditation is something a business pays for and applies for; plenty of well-reviewed, properly licensed local contractors in this county simply haven't bothered with it. What matters more for a home improvement contractor is an active HIC registration with the state, real (not templated) local references, and a written contract that matches NJ's home improvement contract rules. Treat 'no BBB rating' as a reason to check other sources, Angi, Houzz, direct references, not as a disqualifier on its own.

96 businesses filed under General Contracting & Remodeling in the county directory, A–Z

Everything filed under General Contracting & Remodeling in the county directory, alphabetically. It is a broad category, so it takes in neighboring lines of work as well as general contractors. No ordering, no ranking, no picks.

Names, towns and numbers come from The Hunterdon Scoop business directory, pulled July 28, 2026. Want this list narrowed to your town? Browse General Contracting & Remodeling by town. A business appearing here is not a recommendation, and no business pays to be on it.

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