HousePrep LLC

Installer Categories: Commercial & Multifamily Radon Crawl Space Radon Systems New Construction / Passive Activation Radon MitigationInstaller Tags: CO DORA NRPP posts-prices

HousePrep LLC is a radon mitigation provider based in Golden, CO, credentialed by CO DORA; NRPP. Services listed on its website: Commercial / multifamily, Crawl space / sub-membrane, New construction (RRNC), Radon testing, Real estate / fast turnaround, Sub-slab depressurization.

Address: Golden
Colorado
United States
Phone: (847) 971-9308
Website
Posted Price: $1,400–$2,800
Posted Price Source
Certifications: CO DORA; NRPP
Certification IDs:

CO DORA RMT license 225 (Ivan Martens; Radon Mitigation Professional; expires 05/31/2027) | NRPP 114022-RMS (Ivan Martens; Radon Mitigation Specialist; expires January 31, 2028)

License Type: Radon mitigation (Colorado licensed radon mitigation professional (DORA); Radon Mitigation Specialist)
Certified Specialists: 1
Services:

Commercial / multifamily; Crawl space / sub-membrane; New construction (RRNC); Radon testing; Real estate / fast turnaround; Sub-slab depressurization

Years in Business: “25+ years serving” (https://martensradon.com/)
Data Sources:

https://apps2.colorado.gov/dora/licensing/lookup/generateroster.aspx (roster RMT, downloaded 2026-11-02) | https://nrpp.info/listings/bl-19314.html

Last Checked: 2026-11-02

Leave a Review

Select a rating