Radon Contractors in Baltimore, MD

14 radon mitigation and testing specialists serving Baltimore and the surrounding area — residential and commercial properties.

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

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Radon Resolvers, LLC

17805 Howe Dr, Olney, MD 20832, USA

5.0(297 reviews)

(301) 200-2907

Avanty Radon & Construction Services

1955 Tyrone Rd, Westminster, MD 21158, USA

5.0(89 reviews)

(410) 848-9476

Maryland Radon Laboratory

4459 Louisville Rd, Finksburg, MD 21048, USA

5.0(3 reviews)

(410) 997-2366

Atlantic Radon

920 Kimberly Way, Stevensville, MD 21666, USA

5.0(138 reviews)

(443) 363-0377

Belson Construction, LLC

16726 Annandale Rd, Emmitsburg, MD 21727, USA

5.0(28 reviews)

(443) 280-2091

Radon Installation Contractors LLC

7011 Clarendon Rd, Bethesda, MD 20814, USA

5.0(17 reviews)

(703) 971-0717

Alexs Radon Service Llc

5 Saddlerock Ct, Silver Spring, MD 20902, USA

5.0(35 reviews)

(301) 660-0768

Radon Testing Montgomery County

302 Lawrence Dr, Rockville, MD 20850, USA

5.0(16 reviews)

(240) 242-5544

Radon Mitigation of Maryland

14523 Macclintock Ct, Glenwood, MD 21738, USA

4.9(86 reviews)

(301) 806-3402

Alfa Air Agency -Radon Mitigation | Radon Testing MD VA DC

8200 Wisconsin Ave Suite 1012, Bethesda, MD 20814, USA

4.9(51 reviews)

(240) 224-0577

Home Land Environmental

1220 E Joppa Rd C505, Towson, MD 21286, USA

4.9(949 reviews)

(443) 995-5385

G.M.D. Construction inc.

17530 Frederick Rd, Mt Airy, MD 21771, USA

4.9(133 reviews)

(410) 442-1960

ADE Radon Mitigation Services

1726 Reisterstown Rd #107, Pikesville, MD 21208, USA

4.7(56 reviews)

(877) 609-7977

Harford Radon & Real Estate Repair Services Inc.

1423 Fountain Glen Dr, Bel Air, MD 21015, USA

3.5(21 reviews)

(410) 836-2382

Commercial Radon Services in Baltimore, MD

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

Commercial Mitigation

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

Commercial Radon FAQ — Baltimore

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