Radon Contractors in Philadelphia, PA

13 radon mitigation and testing specialists serving Philadelphia 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 →

RVS Radon Mitigation, LLC

294 E Cheltenham Ave, Philadelphia, PA 19120, USA

5.0(106 reviews)

(267) 269-5573

Anvil Radon

417 N 8th St Suite 300, Philadelphia, PA 19123, USA

5.0(130 reviews)

(484) 460-9697

Airotox Radon Remediation Services

14 E Main St Suite 200, Lansdale, PA 19446, USA

5.0(182 reviews)

(215) 247-6869

Integra Environmental

6801 Tilghman St, Allentown, PA 18106, USA

5.0(411 reviews)

(610) 346-8004

Supreme Radon

305 Cameron Dr, Douglassville, PA 19518, USA

5.0(48 reviews)

(610) 575-2775

Eagle Inspections

6233 Frankford Ave, Philadelphia, PA 19135, USA

4.9(1,640 reviews)

(215) 398-4331

ValueGuard Home Inspections

100 E Penn Square suite 400, Philadelphia, PA 19107, USA

4.9(1,262 reviews)

(215) 860-3150

Radon Technology & Enviromental

828 Oak St, Royersford, PA 19468, USA

4.9(234 reviews)

(610) 495-2810

Bauder Basement Systems, Inc (The Radon & Basement Specialist)

110 S Line Rd, Ephrata, PA 17522, USA

4.9(106 reviews)

(717) 949-2011

Radon-Rid, LLC

693 Egypt Rd, Phoenixville, PA 19460, USA

4.7(55 reviews)

(610) 222-2273

Fran the Radon Man, LLC

9 Arena St, Mantua Township, NJ 08051, USA

4.6(32 reviews)

(609) 820-8958

Alpha Radon Reduction LLC

2625 Bristol Rd, Warrington, PA 18976, USA

3.9(7 reviews)

(215) 589-4855

SWAT Environmental

8537 Congress Rd, West Salem, OH 44287, USA

2.4(29 reviews)

(330) 644-0560

Commercial Radon Services in Philadelphia, PA

Radon is not just a residential concern. Office buildings, schools, warehouses, retail centers, and multi-family complexes in Philadelphia are all subject to radon intrusion through concrete slabs, block foundations, and crawl spaces. Commercial radon mitigation in Philadelphiafollows 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 Philadelphia.

Commercial Mitigation

Sub-slab depressurization systems, crawl space encapsulation, and HVAC-integrated ventilation upgrades sized for commercial square footage. Philadelphia 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 Philadelphia and the surrounding PA region.

Commercial Radon FAQ — Philadelphia

What is commercial radon mitigation in Philadelphia?
Commercial radon mitigation in Philadelphia 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 Philadelphia, PA 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 Philadelphia radon contractors handle commercial buildings?
Several radon contractors serving Philadelphia 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 Philadelphia 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 Philadelphia?
Commercial radon mitigation systems in Philadelphia 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 Philadelphia? Contact the certified specialists listed above. Confirm commercial availability when scheduling — some contractors serve residential clients only.