Looking for a mold remediation company in Valley Stream, NY? Describe your project once and up to five mold remediation pros who work in Valley Stream and Nassau County get back to you with a quote. It's free and there is no obligation.
Valley Stream is home to about 40,232 people (2024 Census Bureau estimate), a stable community (−1.0% since 2020). With 11,569 people per sq mi, it is a densely built-up area. Leaks, humid summers, basements and crawl spaces are the usual sources of mold problems in local homes.
Valley Stream at a glance
- Population (Census Bureau estimate, 2024)
- 40,232 (−1.0% since 2020)
- Rank in New York
- 18th of 595 cities and towns
- Land area
- 3.5 sq mi
- Population density
- 11,569 people per sq mi (densely built-up)
- Type
- Village (Valley Stream village)
- Main county
- Nassau County
What to check before hiring in Valley Stream
- License: in New York, check whether the state licenses mold assessors and remediators.
- Independence: where allowed, an assessor separate from the remediator gives a neutral scope and clearance.
- Moisture first: the quote should say how the source of moisture is fixed.
- Price drivers: area affected, containment, materials removed and HVAC cleaning.
Useful official resources
Services available in Valley Stream
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Mold remediation
Containment, removal and cleaning of mold growth, with the moisture source fixed.
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Mold inspection and testing
Independent inspection, moisture mapping and sampling before or after remediation.
Frequently asked questions in Valley Stream
How much does mold remediation cost in Valley Stream, NY?
It depends on the size and location of the growth and the materials to remove. Describe the problem: pros who serve Valley Stream reply with a quote.
How long does it take?
Small jobs take a day or two; larger ones with drying and rebuilding take longer.
Will the mold come back?
Not if the moisture source is fixed. Ask what the pro recommends to keep the area dry.
Which mold remediation pros will contact me?
Up to five independent mold remediation pros who serve Valley Stream and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.