How to Choose a Contractor in NJ

Published on March 20, 2026 by MHG Contracting | 6 min read | Category: Tips

Three things will tell you almost everything you need to know about a contractor in NJ. Here's what to look for and the questions that separate the pros from the hacks.

About This Article

This article from MHG Contracting covers important information about tips projects for Central New Jersey homeowners. Whether you're planning a renovation in Princeton, Hamilton, West Windsor, Lawrenceville, Plainsboro, or Yardley, MHG Contracting provides expert guidance and professional contracting services to help you make informed decisions about your home improvement project.

About MHG Contracting

MHG Contracting is a family-owned residential contracting company based in Hamilton, NJ, specializing in kitchen renovations, bathroom remodels, basement finishing, full home renovations, additions, and new construction. We serve homeowners throughout Central New Jersey and Bucks County, PA. Contact us at (609) 712-2474 for a free estimate.

Read more articles on our blog or explore our portfolio to see examples of our work throughout Central New Jersey.

How to Choose a Contractor in NJ
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Tips6 min read

How to Choose a Contractor in NJ

Everyone has a contractor horror story. The one who took a deposit and vanished. The one who started the job and left it half finished. The one whose "finished" kitchen had cabinets hung crooked and caulk lines a kid could do.

Most of those stories were avoidable. Not all, but most. Three things tell you almost everything you need to know about a contractor in NJ before you ever sign a contract.

Thing one: the NJ HIC license

In New Jersey, anyone doing home improvement work over $500 needs a Home Improvement Contractor registration number from the Division of Consumer Affairs. It starts with "13VH" followed by ten digits.

This is not optional. It is not a suggestion. It is the law.

Ask any contractor for their HIC number before you have a second conversation. Then go to njconsumeraffairs.gov and verify it. The lookup is free and takes thirty seconds. If they hesitate, dodge, or give you anything other than the number, walk away. Unlicensed contractors are also uninsured contractors, and if someone gets hurt on your property or damages your house, you're the one with the problem.

Our HIC is 13VH13286900. We'll put it on every estimate we send you.

Thing two: insurance that actually covers you

There are two insurance documents you want to see before work starts.

General liability, typically $1,000,000 per occurrence minimum. This covers damage the contractor causes to your property. If they drop a sledgehammer through your hardwood floor, this pays for the repair.

Workers' comp. This covers their employees if anyone gets hurt on your property. Without it, an injured worker can sue you personally because the injury happened at your house.

Ask for a certificate of insurance with your name listed as the certificate holder. The insurance company will send it directly. If they send you a PDF that looks homemade, call the insurance company to verify.

Thing three: the contract itself

The contract tells you how they think about their own work. Here's what a real contract from a professional contractor includes:

Detailed scope of work with specific products, brands, and materials listed. Not "kitchen cabinets" but "Fabuwood Allure line, shaker door, white finish, 30 inch base with soft-close hinges."

A schedule with milestones. Not a promised finish date, because honest contractors don't promise dates. A schedule with approximate start, rough framing complete, mechanicals rough-in, drywall, finish work, and final walkthrough. Weeks or days, not "we'll let you know."

A payment schedule tied to milestones, not a calendar. Red flag: "50 percent to start, 50 percent at completion." Better: "10 percent at contract signing, 20 percent at demo, 20 percent at rough-in, 20 percent at drywall, 20 percent at substantial completion, 10 percent at punch list completion."

A warranty in writing. NJ law requires a minimum warranty on home improvement work but most professional contractors offer more. One year on labor is standard. Longer on specific items like roofing or waterproofing.

A change order process. Projects change. A good contract explains how changes are priced, approved, and documented before any extra work happens. If changes get handled verbally, you're going to have a bad time.

Red flags that should stop the conversation

A contractor who asks for 50 percent or more up front. In NJ, the statutory max deposit on home improvement work is lower than most people think, and any reputable contractor will structure payments around milestones anyway.

A quote that's significantly cheaper than the others. The cheapest quote is almost always hiding something. Either the scope is incomplete, the materials are builder-grade, or the contractor is going to run out of money mid-project and start cutting corners. The middle of your three quotes is usually the right number.

"We can start next week." The best contractors in your area have backlogs. A contractor who can start immediately is either brand new, between clients because the last job ended badly, or not as busy as they should be.

No written estimate. Everything should be in writing. Every number. Every product spec. Every timeline.

Pressure to sign today. Real pricing doesn't evaporate if you take forty-eight hours to decide. Pressure tactics are a tell.

The questions we recommend asking on the first visit

How many projects do you have running right now? The answer should be a specific small number, not "a lot."

Who will be on site every day? If the answer is "my crew" or vague, ask for names. Ask if the lead is an employee or a sub.

Can I see a project currently under construction? A contractor who runs a tight jobsite will be happy to show you one in progress. Past photos are curated. Active sites show you how they actually work.

Can I talk to three homeowners whose projects you finished in the last six months? Not the greatest hits from five years ago. Recent, specific, ideally similar in scope to your project.

How do you handle surprises? The answer should involve communication, documentation, and change orders. Not "we'll work it out."

One last thing

Trust your gut. If something feels off on the first visit, it'll feel worse six weeks in when they're in your house every day. The relationship matters almost as much as the skill.

If you want to see how we work up close, call MHG Contracting at (609) 712-2474 or schedule a free in-home consultation.