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Rockdale, IL· pop. 1,948

Mold Inspectors in Rockdale, Illinois

Rockdale is a city in Illinois, home to roughly 1,948 residents. Its humid continental climate brings high humidity (60–75% 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 Rockdale below. Illinois has no statewide mold license, so verify each inspector's IICRC or ACAC certification and insurance.

Verified Select
Top choice for Rockdale

Our top pick for Rockdale is Brock Industrial Services. Selection is based on credential authority, listing completeness, and any active state license we've cross-referenced from public registries.

Brock Industrial Services
Joliet, IL
Illinois IDPH Asbestos Professional (Air Sampling ProfessionalInspectorProject Manager)

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

Mold inspectors serving Rockdale

Append One LLC
Joliet, IL
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
Illinois IDPH Asbestos Professional (Air Sampling ProfessionalInspectorProject Manager)Source: IL IDPH
NRPP: NRPP Certified Radon ProfessionalSource: NRPP
Illinois Mold Information
Climate Zone
Humid Continental
Köppen primary classification
Humidity Level
High year-round (60–75% annual avg)
NOAA NCEI 1991–2020 normals
Common Mold Types
Cladosporium, Aspergillus, Penicillium
Per EPA mold guidance
Weather considerations

Severe seasonal swings, basements vulnerable to spring rains, and a large stock of pre-1978 Chicago housing make basement mold the dominant complaint.

State licensing

Illinois 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
  • Smaller properties around Rockdale often rely on crawl spaces, basements, and well/septic systems that need routine moisture checks.
  • High regional humidity makes mold prevention a year-round concern, not just an after-a-leak fix.

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

Common mold-inspection services

Other mold inspectors in Illinois

InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
Illinois IDPH Asbestos ProfessionalChicago CDPH Asbestos Notification Filer -- 22 active projects since 2022-01-01Chicago CDPH Asbestos Notification Filer -- 12 active projects since 2022-01-01Chicago CDPH Asbestos Notification Filer -- 4 active projects since 2022-01-01+1Source: IL IDPH
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
InterNACHI Certified Mold Inspector (CMI)Sourced from InterNACHI
Swat Environmental
Algonquin, IL
NRPP: NRPP Certified Radon ProfessionalSource: NRPP
Illinois IDPH Asbestos Professional (Air Sampling ProfessionalInspectorProject Manager)Source: IL IDPH

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.