Mold Removal & Remediation on Long Island: Licensed Contractors Serving Nassau & Suffolk County

When Long Island homeowners and property managers search for mold removal on Long Island, they’re looking for someone local—a licensed contractor who knows Nassau County building codes, understands the NYS Mold Law requirements, and can be on site quickly. This page is about who Upper Restoration is, where we work, and why our credentials matter for your specific project.

Mold Remediation on Long Island: The professional process of identifying, containing, removing, and preventing mold growth in residential and commercial properties across Nassau County and Suffolk County, New York. Under the New York State Mold Law (Labor Law Article 32), all mold remediation projects must be performed by NYS-licensed contractors using independent third-party assessment and post-remediation clearance testing.
Quick Answer: Upper Restoration is a NYS-licensed mold remediator serving Nassau County and Suffolk County, Long Island. We provide certified mold remediation with licensed independent assessment, post-remediation clearance testing, and full documentation for insurance and real estate purposes. Free inspections available throughout Long Island.

Mold Removal and Remediation on Long Island: What Upper Restoration Does

Upper Restoration provides licensed mold remediation services for residential and commercial properties across Long Island. Our process follows the NYS Mold Law and IICRC S520 Standard for Professional Mold Remediation. We handle:

  • Attic mold remediation: Roof deck and framing treatment, ventilation correction, clearance testing
  • Basement mold removal: Concrete block treatment, finished drywall demolition and disposal, structural drying
  • Bathroom and interior mold: Tile, grout, drywall behind fixtures, HVAC systems
  • Crawl space mold remediation: Subfloor framing treatment, vapor barrier installation
  • Post-flood mold prevention: Emergency drying and antimicrobial treatment after water damage events
  • Pre-sale mold remediation: Full documentation package for real estate transactions

Every project includes written scope of work, independent certified assessment, licensed remediation, and post-remediation clearance testing. We provide a complete documentation package including the assessor’s report, our work log, and clearance testing results.

Service Areas: Nassau County and Suffolk County Towns We Serve

Upper Restoration provides mold remediation services throughout Long Island. Our primary service areas include:

Nassau County

Garden City, Hempstead, Mineola, Great Neck, Manhasset, Port Washington, Roslyn, Westbury, Hicksville, Levittown, Massapequa, Oceanside, Rockville Centre, Valley Stream, Freeport, Baldwin, Merrick, Bellmore, Seaford, Wantagh, East Meadow, Bethpage, Plainview, Syosset, Jericho, Woodbury, and all surrounding communities.

Suffolk County

Huntington, Smithtown, Commack, Hauppauge, Bohemia, Ronkonkoma, Centereach, Setauket, Port Jefferson, Stony Brook, Riverhead, Southampton, East Hampton, Patchogue, Bayshore, Islip, Brentwood, Central Islip, Farmingdale, Babylon, Amityville, Lindenhurst, and all surrounding communities.

New York City

We also serve Manhattan, Brooklyn, Queens, the Bronx, and Staten Island for mold remediation and asbestos abatement projects requiring NYC DEP-certified contractors.

Our Long Island Mold Remediation Process

Here is the complete process for a residential mold project with Upper Restoration:

  1. Free inspection: We visit the property, identify affected areas, and explain your options before you commit to anything.
  2. Independent assessment: We connect you with a NYS-licensed mold assessor. Under NY Mold Law, the assessor and remediator must be separate. The assessor produces the official written assessment and work plan.
  3. Written proposal: We provide a detailed scope of work and cost estimate based on the assessor’s findings. No surprises.
  4. Remediation: Our licensed crew sets up containment, performs HEPA vacuuming, applies antimicrobial treatment, removes and disposes of affected materials (where required), and applies encapsulant.
  5. Moisture source correction: We address the root cause—exhaust fan rerouting, vapor barrier installation, drainage correction—because remediation without fixing the moisture source doesn’t last.
  6. Post-remediation clearance testing: The original assessor returns to perform air sampling. When clearance passes, we provide the full documentation package.

Licensed and Certified: Our Credentials in New York

Credentials matter in mold remediation. New York State requires specific licensing for contractors performing mold work for hire. Upper Restoration holds:

  • NYS Mold Remediator License — required under the NYS Mold Law for all mold remediation work performed for compensation in New York State
  • NYC DEP Asbestos Abatement Contractor Certification — required for asbestos work in New York City
  • NYS DOL Asbestos Contractor License — required for asbestos abatement statewide
  • General Liability and Workers’ Compensation Insurance — always current, certificates available on request

When evaluating any mold contractor on Long Island, verify their NYS Mold Remediator license at the NYS Department of Labor website before hiring. Unlicensed mold work creates legal and financial exposure for the property owner—and the remediation documentation won’t be accepted for real estate or insurance purposes.

Local Mold Problems Specific to Long Island Homes

Long Island’s housing stock and climate create specific mold risk patterns that a local contractor understands better than a national franchise:

  • Attic mold from bathroom exhaust fans: Extremely common in post-war homes (1945–1975) throughout Nassau and Suffolk. The vast majority of attic mold cases we see trace to bathroom fans that were improperly vented into the attic space during original construction or a renovation.
  • Basement mold in clay-soil areas: Long Island’s glacial till soil holds water. Basement flooding and chronic moisture intrusion through block walls is a constant issue in low-lying areas of Nassau County, particularly near flood zones.
  • Ice dam-related mold: Winter ice dams (more common on Long Island than people realize) drive water under shingles and into attic spaces. We regularly see mold that developed over the winter and was discovered in spring.
  • Crawl space mold in older construction: Many Long Island homes built in the 1940s–1960s have unencapsulated crawl spaces. Ground moisture and condensation create chronic mold conditions in this area that affect subfloor framing and floor joists.
Free Mold Inspection on Long Island
Call Upper Restoration for a free on-site inspection anywhere in Nassau or Suffolk County. We’ll identify the mold, explain the process, connect you with a certified assessor, and provide a written estimate before any work begins.
Nassau County:
Suffolk County:
Request a Free Inspection Online

Frequently Asked Questions: Long Island Mold Removal

How quickly can Upper Restoration respond to a mold problem on Long Island?

We typically respond to inspection requests within 24–48 hours throughout Nassau and Suffolk County. For active water damage situations where mold risk is immediate, we offer priority scheduling. Call for same-day assessment availability.

Does Upper Restoration handle both mold and asbestos on Long Island?

Yes. Upper Restoration holds both NYS Mold Remediator and NYS DOL Asbestos Contractor licenses. For pre-1980 Long Island homes that may have both mold and asbestos concerns, we coordinate both scopes and provide a single point of contact for the full remediation project.

How long does mold remediation take on Long Island?

Most residential mold remediation projects on Long Island take 1–5 days for the remediation work, plus 24–48 hours for post-remediation clearance testing results. The total timeline from initial inspection to completed clearance typically runs 1–2 weeks including the independent assessment process required under the NYS Mold Law.

Will a mold remediation company in Long Island handle insurance claims?

Upper Restoration works directly with all major insurance carriers and provides the full documentation package that adjusters require: the independent assessor’s report, our remediation work log, and post-remediation clearance testing results. We can be present during the adjuster’s walkthrough to ensure the full scope is documented.


Need professional asbestos abatement on Long Island? Upper Restoration provides licensed asbestos abatement and removal services across NYC and Long Island. Contact us for a free assessment.



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