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.
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Mold remediation companies serving Longmont, CO
Compare mold remediation providers with strong local signals for Longmont, CO. 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 Longmont. Pick a job type to focus the shortlist.
Strong local matches 2
Broader options 0
Public reviews 206
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Use the listing details to build a shortlist
Mold jobs are not all the same. For Longmont, CO, start with the signals that match the problem you need solved, then confirm exactly what work is included before booking.
Moisture-source checks
Important when mold appears after a leak, flood, roof issue, or damp basement condition.
2local
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.
2local
Ask whether testing is included, handled separately, or referred to an independent process.
Strong local matches
Strong local matches for Longmont
Best for: Longmont and northern Colorado Front Range homeowners needing water damage mitigation or mold remediation from a Neighborly franchise with 24/7 emergency response and insurance company referral relationships.
Service area: Based in Longmont, Colorado at 473 Main St. The website lists 20 cities across northern Colorado: Longmont, Loveland, Erie, Windsor, Timnath, Fort Lupton, Frederick, Firestone, Johnstown, Mead, Berthoud, Dacono, Platteville, Gilcrest, Lyons, Hygiene, Jamestown, Glen Haven, Drake, and Masonville. This stretches from the eastern plains communities to mountain foothills, covering a wide geographic range for a single franchise location.
24/7 emergency responseIn-house testingCommercial and residential
Review snapshot: Rob, Kayla, and J.J. draw consistent praise for fast after-hours response and clear communication during water emergencies. But both recent negatives cite surprise billing and missing estimates, with 2 found across 105 total reviews at 4.8 stars.
Best for: Longmont-area homeowners dealing with water damage who want a single crew to handle mitigation, mold remediation, and full reconstruction under one contract with direct insurance billing.
Service area: Headquartered in Mead, CO (near Longmont). They list service area pages for Denver, Aurora, Fort Collins, Lakewood, Thornton, Arvada, Westminster, Boulder, Greeley, and Centennial. That covers a wide stretch of northern Colorado and the Denver metro, roughly 90 miles north to south. Response times likely vary — expect the fastest service in the Longmont/Mead/Boulder corridor.
Water-to-rebuild pipelineDirect insurance billing24/7 emergency responseCommercial restoration
Review snapshot: Desmond, Brandon, Ryan, and TJ get named repeatedly for fast response and clear communication, but one 1-star review across 101 total offers no details to evaluate.
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Broader area options
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