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Find Mold & toxic material testers in San Francisco

Avatar for Homfix Inc.
Homfix Inc.
5.00(
2
)

In business since 2011

Free estimates

We are a Home Improvement and design Company that provides all type of home services from A to Z, Kitchen Remodel, Bathroom Remodel, Additions, Roof, Solar Panels, and ect..

Recommended by100%of homeowners
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Avatar for SERVPRO of Fountain Valley
SERVPRO of Fountain Valley
New to Angi

In business since 2007

Emergency services offered

SERVPRO of Fountain Valley offers 24-Hour Emergency Service with highly trained technicians specialized in the cleanup and restoration of residential and commercial property after a fire, smoke or water damage. We can also mitigate mold and mildew from your home or business. \n\nAdditionally, we work with your insurance. For a stress free claims process, SERVPRO can help manage the insurance paperwork and process. Our goal is to help minimize the interruption to your life and quickly make it "Like it never even happened." \n\nWe have the following certifications:\n\nHST - Health and safety Technician, AMRT - Applied Microbial Remediation Technician, ASD - Applied Structural Drying Technician, CDS - Commercial Drying Specialist, WRT - Water Damage Restoration Technician, SRT - Fire & Smoke Damage Restoration Technician, and CCT - Carpet Cleaning Technician.

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Avatar for Evergreen Carpet Cleaning Dublin
Evergreen Carpet Cleaning Dublin
New to Angi

In business since 2000

Free estimates

Emergency services offered

Professional Air Duct & Dryer vent Cleaning & Repair Company in Dublin.

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Avatar for Los Angeles Mold Services
Los Angeles Mold Services
New to Angi

In business since 1992

Free estimates

Warranties offered

Los Angeles Mold Services specializes in a range of environmental program and building restoration services as related to water damage as a licensed business experienced since 1992 operating from locations throughout Southern California under the approval of the IEA and EPA.

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Avatar for Evergreen Carpet Cleaning San Ramon
Evergreen Carpet Cleaning San Ramon
New to Angi

In business since 2000

Free estimates

Emergency services offered

Professional Air Duct & Dryer vent Cleaning & Repair Company in San Ramon.

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Avatar for Paul Davis Emergency Svc
Paul Davis Emergency Svc
New to Angi

In business since 2011

Free estimates

Emergency services offered

Paul Davis Emergency Services is the rapid response mitigation solution for residential and commercial property owners. We specialize in professional, efficient disaster recovery and structural drying solutions. Each franchise office independently owned & operated. Additional address - 751 S Weir Canyon Rd #157, Anaheim, CA 92808. Additional email - esca02@pdes-usa.net.

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FAQs for mold & toxic material test projects in San Francisco, CA

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The San Francisco, CA homeowners’ guide to mold & toxic material tests

From average costs to expert advice, get all the answers you need to get your job done.

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