Urgent response
Start here when there is active water damage, a fast-spreading issue, or a time-sensitive repair.
2local
Ask how quickly they can inspect the property and whether after-hours response is available.
City page
Mold remediation companies serving Gaithersburg, MD
Compare mold remediation providers with strong local signals for Gaithersburg, MD. Broader area options are included when the service-area data suggests they may cover the city.
Filter by job type
Showing all listed providers for Gaithersburg. Pick a job type to focus the shortlist.
Strong local matches 3
Broader options 0
Public reviews 436
Compare by job need
Use the listing details to build a shortlist
Mold jobs are not all the same. For Gaithersburg, MD, 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.
3local
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.
3local
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 Gaithersburg
Best for: Gaithersburg and suburban Maryland homeowners dealing with water or mold damage who want a full-service franchise that handles mitigation, remediation, and reconstruction under one roof with 24/7 emergency response.
Service area: Headquartered in Gaithersburg, Maryland at 8797 Snouffer School Road. Serves suburban Maryland and Washington DC. The franchise network is national, but this location covers the DMV region. One reviewer mentioned work in Easton, which is on Maryland's Eastern Shore -- roughly 90 miles from Gaithersburg -- so their actual reach may be broader than typical suburban Maryland. Confirm coverage for your specific location.
Water + mold + rebuildInsurance claim coordination24/7 emergency responseCommercial large loss
Review snapshot: Nestor, Saul, Carlos, Roddy, and David Kirk are praised repeatedly for fast, clean mitigation work and clear communication. But one recent reviewer described foreman Christian as unresponsive and said he sent workers with the wrong flooring -- 2 one-star reviews found across 392 total at 4.8 stars.
Best for: Gaithersburg-area homeowners who want a single company to handle mold testing, remediation, and water damage under one roof, with three offices spanning Frederick to Lanham.
Service area: Headquartered in Gaithersburg, MD with additional offices in Frederick and Lanham. The company lists Frederick, Hagerstown, Urbana, Damascus, Gaithersburg, Germantown, Bethesda, Rockville, Potomac, Chevy Chase, Olney, Columbia, Annapolis, and Silver Spring as service areas. They also claim to serve Washington DC, Virginia, and Pennsylvania, though the extent of that coverage is unclear.
Testing + remediationInsurance claims helpBasement waterproofing
Review snapshot: Tommy and Jesus draw consistent praise across 28 reviews for fast response times and honest pricing, but with zero negative reviews to weigh, the 4.9-star rating is untested by public criticism.
Best for: Gaithersburg-area homeowners dealing with water damage that led to mold, who want one company to handle extraction, remediation, and rebuild under a single insurance claim.
Service area: Headquartered in Gaithersburg, Maryland. Serves Montgomery County and Frederick County as primary areas, with dedicated service pages for Carroll County and Washington County. The mold remediation FAQ also names Silver Spring, Bethesda, Rockville, and Frederick as specific cities served.
Water-to-mold pipelineAsbestos & lead testingInsurance liaison
Review snapshot: Olga draws repeat praise for fast on-site response, and Miguel and Dan get called out for quality finish work. But with only 16 reviews since 2016, the sample is thin — 0 of 16 are negative at 5.0★.
No providers in this group match the selected service yet. Clear the service filter or check the other group below.
Confirm service area
Broader area options
No broader area options are available for this location yet.