Radon Contractors in Tacoma, WA

17 radon mitigation and testing specialists serving Tacoma and the surrounding area — residential and commercial properties.

EPA action level: 4 pCi/L · NRPP/NRSB certified professionals · Residential & commercial radon services

Step 1: Test Your Home

Radon Test Kits — From $15 on Amazon

The EPA recommends testing every home below the third floor. Short-term charcoal test kits deliver results in 2–7 days.

MasterOfDirectories earns a small commission on qualifying Amazon purchases at no extra cost to you.

Shop Radon Test Kits →

RSG Abatement & Demolition

2701 S J St, Tacoma, WA 98409, USA

5.0(57 reviews)

(253) 327-1904

Olympic Shield

1520 S 54th St, Tacoma, WA 98408, USA

5.0(215 reviews)

(253) 237-4292

Professional Home Inspectors

3575 E Grandview Ave, Tacoma, WA 98404, USA

5.0(218 reviews)

(253) 304-9032

CCH Inspections

1024 S MacArthur St, Tacoma, WA 98465, USA

5.0(266 reviews)

(253) 677-4555

Eco Water Restoration of Tacoma

4301 S Pine St suite 30-13, Tacoma, WA 98409, USA

5.0(25 reviews)

(253) 528-9846

Frontline Fire & Flood

10735 A St S # A, Tacoma, WA 98444, USA

4.9(111 reviews)

(253) 235-1077

Orion Environmental Services

34004 - 34016, 34004 9th Ave S a5, Federal Way, WA 98003, USA

4.9(15 reviews)

(253) 952-6717

Terracon Consultants Inc

10029 S Tacoma Way e2, Tacoma, WA 98499, USA

4.8(5 reviews)

(253) 573-9939

SERVPRO of Tacoma

1016 S 30th St, Tacoma, WA 98409, USA

4.8(164 reviews)

(253) 896-3000

R&R Foundation Specialist

2718 Pacific Ave, Tacoma, WA 98402, USA

4.7(89 reviews)

(253) 447-7859

Pure Environmental Inc

2209 70th Ave W, University Place, WA 98466, USA

4.5(13 reviews)

(425) 298-5090

Stanton Radon

2116 Poplar Dr, Grand Junction, CO 81505, USA

4.5(4 reviews)

(970) 292-5450

Stanton Radon

4720 US-6, Gypsum, CO 81637, USA

4.4(12 reviews)

(970) 471-4707

SERVPRO of Federal Way

1908 S 341st Pl, Federal Way, WA 98003, USA

4.4(21 reviews)

(253) 838-8999

Gulf Coast Radon

4061 Bonita Beach Rd SW, Bonita Springs, FL 34134, USA

4.3(23 reviews)

(239) 948-3668

Radon Professional Services

336 14th Ave N, Jacksonville Beach, FL 32250, USA

4.1(15 reviews)

(904) 246-8970

Tacoma Abatement Company, LLC

3829 S M St, Tacoma, WA 98418, USA

4.0(26 reviews)

(253) 830-5945

Commercial Radon Services in Tacoma, WA

Radon is not just a residential concern. Office buildings, schools, warehouses, retail centers, and multi-family complexes in Tacoma are all subject to radon intrusion through concrete slabs, block foundations, and crawl spaces. Commercial radon mitigation in Tacomafollows EPA large-building protocols, requires certified measurement professionals, and involves mitigation systems scaled to the property's square footage and occupancy type.

Commercial Testing

Multi-point alpha track or continuous electronic monitor deployment across all occupied zones per EPA large-building protocol. Required for OSHA compliance and real estate due diligence in Tacoma.

Commercial Mitigation

Sub-slab depressurization systems, crawl space encapsulation, and HVAC-integrated ventilation upgrades sized for commercial square footage. Tacoma contractors handle buildings from small suites to large industrial properties.

Monitoring & Certification

Post-mitigation verification, ongoing radon monitoring systems, and certification documentation for property managers, lenders, and insurers in Tacoma and the surrounding WA region.

Commercial Radon FAQ — Tacoma

What is commercial radon mitigation in Tacoma?
Commercial radon mitigation in Tacoma involves installing sub-slab depressurization systems, crawl space encapsulation, and ventilation upgrades in office buildings, warehouses, schools, retail spaces, and multi-family units. Commercial systems are scaled to the building's square footage and HVAC layout — they differ significantly from residential systems in design, permitting, and ongoing monitoring requirements.
How is commercial radon testing different from residential testing?
Commercial radon testing in Tacoma, WA typically follows EPA protocols for large buildings (EPA 402-K-93-001), which require multiple test devices per floor and longer measurement periods than home tests. Certified radon measurement professionals deploy long-term alpha track detectors or continuous electronic monitors across all occupied and sub-occupied zones.
Which Tacoma radon contractors handle commercial buildings?
Several radon contractors serving Tacoma hold NRPP or NRSB commercial certifications for large-structure mitigation and testing. Contact the specialists listed on this page to confirm commercial service availability, as some firms specialize exclusively in residential properties.
What radon level triggers mitigation in a commercial building?
OSHA and the EPA both recommend action at or above 4 pCi/L for occupied commercial and industrial spaces. Many Tacoma property managers choose to mitigate at 2–3 pCi/L to stay well below regulatory thresholds and reduce liability exposure. Schools and healthcare facilities often target sub-2 pCi/L levels.
How much does commercial radon mitigation cost in Tacoma?
Commercial radon mitigation systems in Tacoma typically range from $1,500 for small retail suites to $25,000+ for large industrial or multi-story buildings. Cost depends on slab area, number of sub-slab suction points, existing HVAC infrastructure, and post-mitigation verification testing. Request quotes from multiple licensed contractors listed on this page.

Need commercial radon mitigation or testing in Tacoma? Contact the certified specialists listed above. Confirm commercial availability when scheduling — some contractors serve residential clients only.