Remediation Service
The full remediation service. S520-compliant from containment to clearance, for any scope between a bathroom wall and a 2,400 sqft finished basement.
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Overview
Mold remediation is the controlled removal of mold-colonized materials following IICRC S520 protocols. On Long Island, we see the same three sources repeatedly: attic moisture from blocked venting, basement moisture from Sandy-era water events, and hidden wall-cavity mold from slow plumbing leaks. Every job starts with finding that source. Then containing, cleaning, verifying.
We review the assessor's report (required under NY Article 32 for 10+ sqft jobs) and confirm the S520 scope. If you don't have an assessor yet, we refer you to our walled assessment arm.
Plastic barriers with zippered entry, negative-air machines (HEPA AFDs), polyethylene walk-off, and dedicated PPE staging. Air goes from clean to dirty only.
Affected drywall, insulation, carpet padding removed and double-bagged. Framing HEPA-sanded. Antimicrobial treatment applied per manufacturer spec. Encapsulation where appropriate.
Commercial dehumidifiers + air movers. Daily psychrometric readings to target sub-40% RH and 12% wood MC before clearance.
Visual inspection plus air samples compared against pre-remediation baseline. If clearance fails, we stay until it passes — at no additional cost.
South Shore homes with 2012 Sandy history frequently reveal hidden mold years later when walls are opened for remodels or sale inspections. We've remediated 400+ Sandy-legacy homes.
The #1 source of attic mold on Long Island. A fan that discharges into the attic instead of through the roof drives chronic humidity onto sheathing.
1950s–70s LI homes with dirt crawl spaces and no vapor barrier. Humidity bleeds up through the joists and colonizes framing.
Small single-room jobs typically run $500–$1,500. Full remediation with attic or basement scope usually $2,000–$8,000. Flood-related jobs can reach $12,000. Most jobs are fixed-price after inspection.
Every quote is fixed after inspection — no hourly billing, no change orders unless the substrate reveals hidden contamination.See full pricing guide →
Field Log
Real jobs. Real towns. Actual scope and scale from our last 90 days of field work.
Attic Mold RemediationCape Cod attic — 600 sqft of Stachybotrys on plywood sheathing traced to blocked bath-fan venting. Full containment, HEPA filtration, antimicrobial treatment, ridge vent retrofit, PRV clearance passed.
Basement Mold RemediationFinished basement post-nor'easter flood — 3 ft water line. Aspergillus/Penicillium throughout. Demo to studs, HEPA sand, encapsulation, new vapor barrier. Insurance-paid.
Commercial Mold RemediationOffice suite HVAC-driven mold in ceiling plenum after rooftop unit leak. After-hours containment, HEPA scrub, ceiling tile replacement, tenant back in business Monday.
Flood Mold RemediationSouth Shore home, January nor'easter flood. Full-basement Category 3 water. Demo, HEPA, structural drying, PRV before rebuild.
Attic Mold RemediationColonial attic — white surface mold + dark spots on north-slope sheathing. Poor soffit ventilation. Treated wood, installed baffles, added roof vents.
Basement Mold RemediationLegacy Sandy flood damage behind finished wall. Demo to block, treated masonry, new interior drain tile, dehumidifier, encapsulation.
FAQ
More services
Emergency Stachybotrys removal with negative-air containment, respirator-grade crew, and PRV clearance testing.
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The #1 mold problem in Long Island homes — sheathing mold from blocked bath fans and under-vented roofs. We treat the wood and fix the ventilation.
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From crawl-space dampness to finished-basement flood damage. South Shore specialty — Sandy legacy and nor'easter water events.
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Vapor barriers, joist treatment, dehumidification — the three-step fix for chronic crawl-space mold in older LI homes.
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Hidden behind tile, under vanities, and inside wall cavities — most bathroom mold comes from pinhole leaks that have been wet for years.
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Category 3 water protocol — Sandy legacy cleanup, storm floods, basement nor'easter events. Insurance-documented from day one.
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Ready to breathe easier?
Free visual inspection, same-day estimate. Licensed assessor handles the test separately from remediation — NY Article 32 compliant from the first call.
Mon–Sun 7am–8pm · 24/7 emergency line
