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Longmont, CO· pop. 92,088

Mold Inspectors in Longmont, Colorado

Longmont is a city in Colorado, home to roughly 92,088 residents. Its semi-arid (steppe) climate brings low humidity (35–55% annual average), which makes local homes prone to Cladosporium and Aspergillus growth after leaks, flooding, or poor ventilation. Compare mold inspection, testing, and air-quality professionals serving Longmont below. Colorado has no statewide mold license, so verify each inspector's IICRC or ACAC certification and insurance.

Verified Select
Top choice for Longmont

Our top pick for Longmont is Environmental Construction Specialists Ia LLC DBA Environmental Construction Specialists Ia LLC. Selection is based on credential authority, listing completeness, and any active state license we've cross-referenced from public registries.

Verified Select is selected from public credential and state-license data, not paid placement. See How We Verify.

Mold inspectors serving Longmont

InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
NRPP: Measurement ProfessionalSource: NRPP
NRPP: NRPP Certified Radon ProfessionalSource: NRPP
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
NRPP: Measurement ProfessionalSource: NRPP
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
NRPP: NRPP Certified Radon ProfessionalSource: NRPP
InterNACHI Certified Mold Inspector (CMI)NRPP: Measurement ProfessionalSourced from InterNACHI
NRPP: Measurement ProfessionalSource: NRPP
SM Home Services
Longmont, CO
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
The RC Group
Longmont, CO
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
Colorado Mold Information
Climate Zone
Semi-arid (Steppe)
Köppen primary classification
Humidity Level
Low year-round (35–55% annual avg)
NOAA NCEI 1991–2020 normals
Common Mold Types
Cladosporium, Aspergillus, Penicillium
Per EPA mold guidance
Weather considerations

Generally dry, but indoor mold appears around basement waterproofing failures and post-snowmelt foundation seepage.

State licensing

Colorado does not have a state-level mold-license requirement. Verify each pro's industry certifications (IICRC, ACAC, etc.) and proof of insurance before hiring.

Local factors
  • Longmont's mix of older and newer homes means moisture issues range from crawl-space humidity to modern-build envelope condensation.

Sources: NOAA climate normals; EPA mold guidance; state licensing authorities. See our data sources.

Common mold-inspection services

Other mold inspectors in Colorado

InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
NRPP: Measurement ProfessionalSource: NRPP
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
NRPP: Measurement ProfessionalSource: NRPP
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
NRPP: NRPP Certified Radon ProfessionalSource: NRPP
Steel Rhino
Arvada, CO
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI

Nearby cities

Frequently asked questions

MoldInspectorsNearMe.com is a directory and lead-referral platform. We do not perform mold inspections. We do not provide medical advice. Listings shown above come from owner submissions, admin entries, and properly licensed data sources. See our disclaimer.