Certified Mold Remediation in New Jersey
Mold Remediation in New Jersey
RDC Restoration finds mold at the source, contains it, and removes it for good — protecting your family's air and your property's value. For 27 years our technicians have handled mold inspection, testing, and remediation across New Jersey from our Berkeley Heights and Piscataway locations.
- Independent lab testing available
- HEPA filtration & containment
- Treats the moisture source
- IICRC S520 certified · 24/7
See or smell mold?
A musty odor or visible spots mean mold is already spreading behind the scenes. RDC Restoration inspects, tests, and remediates before it worsens.
Inspection • Testing • Containment • Removal • Clearance
Quick answer
Mold remediation is the controlled process of containing mold growth, physically removing it, fixing the moisture that fed it, and verifying the area is back to normal. In New Jersey, RDC Restoration performs mold remediation to the IICRC S520 standard from offices in Piscataway and Berkeley Heights, with a typical 60-minute response near both.
- RDC Restoration's technicians are IICRC-certified, and every mold job follows the IICRC S520 standard.
- RDC also holds NORMI and AHERA certifications and NJ HIC license 13VH08055400.
- Founded in 1999 by Russell D. Calderone, RDC Restoration has 27+ years of mold remediation experience in New Jersey.
- Crews respond 24/7, typically within 60 minutes of our Piscataway and Berkeley Heights offices.
- RDC bills insurance carriers directly when a mold loss is covered.
- Offices: 171 11th St, Piscataway, NJ 08854 (main) and 57 River Rd, Berkeley Heights, NJ 07922.
- RDC Restoration is BBB A-rated and 4.9-star rated on Google.
New Jersey's mold remediation company
What is mold remediation?
Mold remediation means returning a building to normal fungal levels by removing mold growth at its source, not just cleaning what you can see. RDC Restoration is a New Jersey mold remediation company that fixes the leak or humidity problem too.
Mold spores are in every home's air. They become a problem when they land on something damp, like drywall paper, framing, or carpet backing, and grow, which can start within 24 to 48 hours of a leak. Left alone, a slow drip or unresolved water damage seeds colonies inside walls, attics, and ductwork.
The three IICRC S520 mold conditions
The IICRC S520 standard sorts every space into one of three conditions. Remediation is finished only when the affected area is back to Condition 1.
| Condition | What it means | What it calls for |
|---|---|---|
| Condition 1 (normal fungal ecology) | Spore types and levels are typical for the building and the outdoor environment. No active growth. | No remediation. This is the goal of every job. |
| Condition 2 (settled spores) | Spores or mold fragments have spread from a growth area and settled on surfaces, but are not growing there. | Containment and detailed HEPA cleaning of the affected surfaces and contents. |
| Condition 3 (actual growth) | Active or dormant mold is growing on materials, whether visible or hidden behind walls and under floors. | Full remediation: containment, physical removal, drying, cleaning, and verification. |
Know what you're paying for
Mold remediation vs. mold removal: what's the difference?
Mold removal usually means scrubbing or spraying the visible patch. Mold remediation is the whole process that keeps it from coming back: find the moisture, isolate the area, take out contaminated material under HEPA filtration, dry the structure, and prove the space is clean.
| Basic mold removal | Professional mold remediation (IICRC S520) | |
|---|---|---|
| Goal | Make visible mold disappear | Return the area to Condition 1 and keep it there |
| Moisture source | Often ignored | Found with moisture meters and thermal imaging, then fixed |
| Containment | Rarely used | Plastic sheeting barriers, sealed vents, zipper entry |
| Air control | None | Negative air pressure and HEPA air scrubbers |
| Porous materials | Sprayed with bleach and left in place | Moldy drywall, insulation, and carpet pad removed and bagged |
| Proof of results | "It looks clean" | Visual check, moisture readings, and independent clearance testing |
Bleach shows the gap. Dead mold can still cause allergic reactions, and bleach does not reach growth inside porous drywall or wood, so remediation removes the material or cleans it physically.
Health & testing
Is mold dangerous, and when should you test for it?
Mold can trigger allergy symptoms, asthma attacks, and respiratory irritation, and the CDC notes that infants, older adults, and people with asthma or weakened immune systems are most at risk. Warning signs include a musty odor, spots or staining, peeling paint, and symptoms that ease when you leave the house.
Is black mold worse than other mold?
"Black mold" usually refers to Stachybotrys chartarum, a dark mold that grows on wet drywall and wood after long-term leaks. Color does not tell you the species or the risk, so federal guidance treats all indoor mold the same: remove it and fix the moisture. RDC handles black mold remediation under full containment with HEPA filtration.
When mold testing is worth it
If you can see the mold and know the cause, testing usually is not needed before work starts. Testing earns its keep in four situations:
- You smell mold but cannot find it, which points to hidden growth in walls, ceilings, or ductwork.
- Someone in the home has symptoms and you want lab data.
- A home sale or insurance claim needs documentation.
- Remediation is finished and you want independent proof the area passed.
Our mold inspection and testing service covers air sampling, surface swabs or tape lifts, moisture mapping, and lab reports.
The RDC Restoration process
How does RDC Restoration remediate mold?
Every job follows the IICRC S520 standard. The scale changes with the size of the problem; the steps do not.
Inspect & map moisture
We locate the growth and trace its water source with moisture meters and thermal imaging.
Test when needed
Independent air and surface samples confirm hidden growth and set a baseline for clearance later.
Stop the water
The leak, seepage, or humidity problem is fixed or controlled first.
Build containment
Plastic sheeting, a zipper entry, and sealed HVAC vents isolate the work area.
Negative air & HEPA
Negative air machines with HEPA filters keep the containment under negative pressure, so spores are captured, not pushed out.
Remove & clean
Moldy drywall, insulation, and carpet pad are cut out and bagged. Framing and other solid surfaces are HEPA-vacuumed, wiped, and sanded or scrubbed.
Dry & detail clean
Dehumidifiers bring materials to normal moisture levels, then a final HEPA vacuum and damp wipe clears settled spores.
Verify & clear
A visual inspection, moisture readings, and post-remediation testing confirm the area is back to Condition 1 before containment comes down.
Proof, not promises
What is post-remediation verification (clearance testing)?
Post-remediation verification is the check that proves the job worked before your walls are closed up. A job has to pass all three parts.
- Visual inspection. No visible mold, dust, or debris inside containment, and every material in the scope has been removed or cleaned.
- Moisture readings. Framing, subfloor, and remaining drywall read at normal dry levels, so nothing is left to feed regrowth.
- Clearance sampling. Air samples, and surface samples where useful, are compared with an outdoor or unaffected-room baseline. Spore types and counts inside should look like normal background.
RDC can arrange an independent third-party assessor for clearance, so the person grading the work is not the person who did it. Lab results typically come back in one to three business days. Areas that fail are re-cleaned and re-tested before anything is closed up.
Insurance
Does homeowners insurance cover mold remediation?
Homeowners insurance typically covers mold remediation only when the mold comes from a sudden, accidental water loss that the policy already covers, such as a burst pipe or a failed washing machine hose. The cause of the mold matters more than the mold itself.
- Usually covered: mold that follows a covered, sudden event and is reported promptly.
- Usually excluded: mold from long-term leaks, ongoing humidity, condensation, or deferred maintenance.
- Flood is separate: mold after surface or groundwater flooding generally falls under a flood policy, not homeowners insurance.
- Limits apply: many New Jersey policies cap mold with a sublimit or require a mold endorsement, so read the declarations page.
RDC documents every job with photos, moisture maps, and a written S520 scope, and bills your carrier directly when the loss is covered. Estimates are free.
Timeline
How long does mold remediation take?
Most residential mold remediation takes one to five days of on-site work, plus time for clearance lab results. Size, how much material comes out, and whether the space is still wet set the schedule.
| Situation | Typical on-site time |
|---|---|
| Small area (under a sink, one bathroom wall) | About 1 day |
| One room or part of a basement | 1 to 3 days |
| Full basement, attic, or crawl space | 3 to 5 days |
| Multiple areas or HVAC involvement | 5 days or more |
| Space still wet from a recent leak | Add 3 to 5 days of structural drying first |
Most families can stay home during the work because containment keeps the area isolated.
Prevention
How do you keep mold from coming back?
Mold comes back when the moisture comes back. Skipping the moisture fix is the top reason we see the same basement twice.
- Fix the water source. Plumbing leaks, roof leaks, and failed flashing get repaired. After any leak, prompt water damage restoration dries the structure before mold can start.
- Stop basement seepage. Groundwater pushing through foundation walls is the top cause of basement mold in New Jersey. Interior drainage and sump systems from our basement waterproofing team fix it at the source. See our guide to basement mold.
- Control humidity. The EPA recommends keeping indoor humidity below 60 percent, ideally 30 to 50 percent. A properly sized basement dehumidifier handles New Jersey summers.
- Dry spills within 48 hours. Wet carpet, drywall, or ceiling tile that stays damp longer is where new growth starts.
Can you remove mold yourself?
You can clean a small patch yourself. EPA guidance says an area under about 10 square feet, roughly a 3-by-3-foot section, is usually a homeowner job if you wear an N-95 respirator, gloves, and goggles and the cause is a simple fix. Call a professional when the area is larger, the mold is inside walls or HVAC, the water was sewage or flood water, or someone in the home has health concerns.
Why New Jersey trusts RDC
How to choose a mold remediation company
Ask these questions before you sign. Here is how RDC answers.
- Do you follow IICRC S520? Yes. Our technicians are IICRC-certified, and RDC also holds NORMI and AHERA certifications.
- Will you fix the cause? RDC resolves the leak or moisture issue, not just the visible mold.
- Who tests the result? Independent third-party clearance testing is available, so the job is graded by someone else.
- How do you protect the rest of the house? Sealed containment, negative air, and HEPA filtration on every job.
- Are you licensed? New Jersey HIC license 13VH08055400, with water and mold restoration handled by one RDC Restoration team.
Mold remediation near you
Mold remediation near you in New Jersey
Crews dispatch from Piscataway and Berkeley Heights, so central and northern New Jersey get the fastest response. Towns we are called to most:
- Berkeley Heights: remediation · inspection
- Piscataway: remediation · inspection
- Cranford: remediation · inspection
- Bound Brook: remediation · inspection
- Mount Olive: remediation · inspection
- Randolph: remediation · inspection
- Roxbury: remediation · inspection
- Bridgewater: remediation · inspection
- Princeton: remediation · inspection
- Voorhees: remediation · inspection
- Point Pleasant: remediation · inspection
- Plainfield: remediation · inspection
- Clifton: remediation · inspection
- Denville: remediation · inspection
- Montville: remediation · inspection
- Wayne: remediation · inspection
Serving New Jersey from two hubs
RDC Restoration mold remediation service areas
Rapid dispatch across Union, Middlesex, Somerset, Essex, and Morris counties. See all service areas →
● Berkeley Heights Hub
Berkeley Heights HQ · Serving Northern New Jersey
● Piscataway Hub
Piscataway HQ · Serving Central & Southern New Jersey
Cities we serve
Mold remediation near you — by New Jersey county & town
RDC Restoration builds a dedicated local team for every town we serve. Find your county, then your town.
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Commercial restorationHomeowner & adjuster FAQs
Mold remediation questions
What is the difference between mold removal and mold remediation?
Mold removal takes away the visible mold. Mold remediation goes further: RDC Restoration fixes the moisture source, contains the area, removes contaminated material under HEPA filtration, and verifies the space is back to normal. Remediation follows the IICRC S520 standard. Call (908) 253-9000 to schedule.
How long does mold remediation take?
Most residential mold remediation takes one to five days on site. A small area can be done in a day, a room in one to three days, and a full basement or attic in three to five. Wet structures need drying first, and clearance results usually take one to three business days.
Does homeowners insurance cover mold remediation in New Jersey?
It usually covers mold remediation only when the mold results from a sudden, accidental covered loss, such as a burst pipe. Mold from long-term leaks, humidity, or poor maintenance is usually excluded, flood-related mold falls under flood insurance, and many policies cap mold with a sublimit. RDC documents the loss to IICRC S520 and bills covered claims directly.
Is black mold more dangerous than other mold?
Not necessarily. Color does not identify a mold species or its risk, and federal health agencies advise treating all indoor mold growth the same way: remove it and fix the moisture. RDC Restoration handles black mold remediation under sealed containment with negative air and HEPA filtration.
Do I need mold testing before remediation?
Not always. If the mold is visible and the cause is known, remediation can start without testing. Testing helps when you smell mold but cannot find it, when someone has symptoms, when a sale or claim needs documentation, and for clearance afterward. RDC can arrange independent third-party mold inspection and testing.
Can I stay in my home during mold remediation?
In most cases, yes. Containment barriers, sealed vents, and negative air machines with HEPA filters keep spores inside the work area while RDC Restoration removes the mold. People with asthma, severe allergies, or weakened immune systems should stay off the affected floor until the area passes post-remediation clearance.
What causes mold to keep coming back?
Recurring mold almost always means the moisture problem was never fixed. Common causes are slow leaks, basement seepage, high humidity, and wet materials left after water damage. RDC fixes or controls the source, recommends basement waterproofing where groundwater is involved, and verifies the area is dry before closing up.
Who offers mold remediation near me in New Jersey?
RDC Restoration provides mold remediation across New Jersey from offices at 171 11th St in Piscataway and 57 River Rd in Berkeley Heights. Crews respond 24/7, typically within 60 minutes near both offices. RDC is IICRC-certified, BBB A-rated, and 4.9-star rated on Google. See our service areas or call (908) 253-9000.
Breathe easy. RDC Restoration handles the mold.
Schedule a mold inspection anywhere in New Jersey. RDC Restoration finds it, removes it, and stops it from coming back.
RDC Restoration follows the IICRC S520 standard and mold guidance from the US EPA.