The Hunterdon Scoop / Hire

Mold remediation companies in Hunterdon County

New Jersey has no state license for mold remediation, which surprises most homeowners standing in a damp basement. With no registry to lean on, industry certification and a local track record are what separate a remediation company from a wet-vac and a marketing budget.

Skip to all 33 businesses filed under Cleaning Services in the county directory ↓

Get one name for this job

Tell me the job and where you are. I'll send back one name who does that work in your town. Free.

Find a mold remediation company →

What it costs

Most New Jersey mold remediation jobs run $1,500 to $3,500, with small localized issues at $500 to $1,500, moderate contamination at $1,500 to $4,000, and extensive remediation reaching $4,000 to $10,000 or more. Companies commonly quote $10 to $25 per square foot. A mold test alone runs $200 to $600. North Jersey pricing tends to run 10 to 15 percent above South Jersey. (Multiple NJ remediation-company cost guides, 2026; no single Hunterdon-specific study found, treat as statewide directional figures.)

Before you hire

  1. Ask for proof of certification, IICRC's Applied Microbial Remediation Technician (AMRT) credential is the one to look for, there's no state license to check instead, so this is the actual floor.
  2. Get a written scope that separates testing, containment, removal, and any repair or reconstruction work. If repairs are part of the job, the contractor doing that portion needs an active NJ Home Improvement Contractor registration, check it at newjersey.mylicense.com the same way you would for any home improvement job.
  3. Use a different company for the mold test than the one doing the remediation. A company that both diagnoses the problem and sells you the fix has an obvious incentive to find more mold than is actually there.
  4. Get a post-remediation clearance test in writing before final payment, not just a verbal all-clear.
  5. Ask what they do with contaminated material and how they contain the work area. Cross-contamination from a sloppy containment setup is the most common way a small mold job turns into a big one.

Mold remediation is an unlicensed trade in New Jersey, there is no state license or registry for mold inspection or remediation itself (a bill, A4952, would create one but has not passed as of July 2026). If the job also involves repairs or reconstruction, the contractor doing that portion needs to be registered as a Home Improvement Contractor with the NJ Division of Consumer Affairs, check that piece separately. The credential that matters for remediation work itself is an industry certification like the IICRC's, which is voluntary and self-reported, ask for proof directly.

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

The local picture

Because there's no state registry to filter against, certification and a track record of local jobs do most of the work in telling companies apart here.

Questions neighbors actually ask

Does a mold remediation company need to be licensed in New Jersey?

No. New Jersey is one of the states with no state-level mold remediation license or registry, the Department of Health provides guidance but does not certify or register remediators. A bill (A4952) that would create a registration requirement for mold inspection and remediation contractors has been introduced but had not passed as of July 2026. The credential that actually means something is a voluntary industry certification like IICRC's AMRT, ask to see it directly.

If there's no license, how do I check if a mold company is legitimate?

Ask for their IICRC certification number and verify it on IICRC's own site, ask for proof of insurance, and ask for addresses of two jobs they did in the last year that you can call about. If the job includes repairs or reconstruction beyond the remediation itself, that portion of the work requires a registered NJ Home Improvement Contractor, which you can check at newjersey.mylicense.com.

Should the same company test my house for mold and then remediate it?

Better not to. A company that profits from finding mold has a built-in incentive to find more of it than an independent tester would. Get an independent mold assessment first, then get remediation quotes against that assessment, and get a post-job clearance test before paying the final invoice.

Is mold remediation covered by homeowners insurance in New Jersey?

Usually only if the mold resulted from a covered peril, like a burst pipe, not from long-term humidity, a slow roof leak, or a known moisture problem you didn't fix. Check your policy's mold exclusion or sublimit before assuming coverage, and get remediation quotes in writing either way since insurers often cap mold payouts even when they do cover it.

33 businesses filed under Cleaning Services in the county directory, A–Z

Everything filed under Cleaning Services in the county directory, alphabetically. It is a broad category, so it takes in neighboring lines of work as well as mold remediation companies. 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 Cleaning Services by town. A business appearing here is not a recommendation, and no business pays to be on it.

Or skip the list

Tell me the job and your town and I'll send back one name who does that work. Free.

Find a mold remediation company →

Life in Hunterdon County, twice a week

Local events, what's opening and closing, road closures, and the scams going around. Free, every Monday and Thursday morning.