Urgent response
Start here when there is active water damage, a fast-spreading issue, or a time-sensitive repair.
3local
Ask how quickly they can inspect the property and whether after-hours response is available.
City page
Mold remediation companies serving San Francisco, CA
Compare mold remediation providers with strong local signals for San Francisco, CA. Broader area options are included when the service-area data suggests they may cover the city.
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Showing all listed providers for San Francisco. Pick a job type to focus the shortlist.
Strong local matches 4
Broader options 0
Public reviews 326
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Mold jobs are not all the same. For San Francisco, CA, start with the signals that match the problem you need solved, then confirm exactly what work is included before booking.
Containment methods
Useful when mold may need isolation from clean areas during removal.
2local
Ask what containment, air movement, or negative-air process is included in the work.
Moisture-source checks
Important when mold appears after a leak, flood, roof issue, or damp basement condition.
4local
Ask how they identify and address the moisture source before or during remediation.
Testing or inspection
Helpful when you need inspection, sampling, or clearance questions separated from removal work.
3local
Ask whether testing is included, handled separately, or referred to an independent process.
Strong local matches
Strong local matches for San Francisco
Best for: South Bay homeowners dealing with water damage that needs both plumbing repair and mold cleanup handled by a single national franchise with 24/7 dispatch.
Service area: Headquartered in Milpitas, CA. Serves Santa Clara, Santa Cruz, San Mateo, San Benito, and San Francisco counties. The service area page lists over 60 cities across the San Jose metro area, from San Francisco south to Gilroy and Watsonville. For a franchise covering five counties, confirm response time to your specific location.
Plumbing + water cleanup24/7 emergency dispatchInsurance claim support
Review snapshot: Nicholas Juarez, James Johnson, and Ricky Ronquillo draw consistent praise for fast arrivals and clear explanations. But pricing is the recurring complaint, with 4 one-star reviews across 161 total pointing to quotes that ran two to three times higher than competing plumbers.
Best for: Bay Area homeowners and property managers dealing with water-triggered mold who want a restoration company with four offices across the region and 24/7 emergency response.
Service area: Headquartered in Novato, California with additional offices in San Francisco, San Jose, and Walnut Creek. Dry Kings lists service coverage across seven counties: Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, and Sonoma. That is a wide footprint, so confirm response time and crew availability for locations distant from their four offices.
Equipment rentalsLead abatement3D packout scanningCommercial restoration
Review snapshot: Cyndie, Justin, and Mark Flores draw consistent praise for clear communication and patience, but one reviewer reported being charged $275 for a mold inspection advertised as free (1 one-star review across 89 total).
Best for: Bay Area property owners dealing with water damage or mold who want a non-franchised national company with 24/7 dispatch from a Hayward base and in-house reconstruction crews.
Service area: BMS CAT's Bay Area office is at 30964 San Benito Street in Hayward, California. They list coverage across Berkeley, Concord, Fremont, Hayward, Oakland, Richmond, San Jose, San Leandro, San Mateo, Santa Clara, and Sunnyvale. The claim to serve 'the entire San Francisco Bay Area' is broad but plausible given the Hayward location sits centrally in the East Bay with freeway access to most listed cities within 30-45 minutes.
Water + mold + fireIn-house reconstructionCommercial large-lossHVAC decontamination
Review snapshot: Jefferson, Leonardo, and Jose draw consistent praise for fast, careful water mitigation work. But 2 of 57 recent reviews cite botched subcontractor flooring and a project that stretched from 6 weeks to 15.
Best for: San Francisco homeowners and property managers dealing with water damage that has led to mold, especially in multi-unit buildings where insurance coordination matters.
Service area: Headquartered at 222 Columbus Ave in San Francisco. Allied operates additional offices in San Jose, Petaluma, and Walnut Creek, covering much of the Bay Area. They also reference a Seattle presence on their website.
In-house mold testing24/7 emergency responseInsurance claim support
Review snapshot: Michael, Gilberto, Ty, and Jessica draw consistent praise for fast response and clear communication across 19 reviews at 4.8 stars, with no complaints in the last 18 months.
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