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Business Details
25 Years
experience
Emergency
services
Your Trusted Environmental Mitigation Partner in Portland
A Best Environmental has been dedicated to improving public health and residential conditions since 2001. Initially specializing in drug lab decontamination, we have successfully processed over 500 contaminated properties across Oregon and Washington, establishing ourselves as the largest clandestine drug lab contractor in the Northwest. Over time, we expanded our expertise to include radon testing and mitigation, mold inspection and remediation, and asbestos testing. Our licensed operations cover all areas of Oregon and Washington, with a strong presence in cities like Portland, Salem, Eugene, Vancouver, Olympia, Tacoma, and Seattle.

Our team holds specialty certifications in all our service areas, and we prioritize economical solutions and exceptional customer service. We are committed to delivering the most effective solutions tailored to each client's project goals and budget constraints, ensuring every project exceeds expectations. As the company owner, I personally guarantee my availability to clients at all times, seven days a week, to provide direct support and oversight.
Services
Radon Testing Mold Remediation Drug Lab Cleanup Asbestos Testing Environmental Mitigation
Details
  • Year established: 2001
Highlights and features
  • We have over 20 years of experience in environmental mitigation services.
  • We process over two-thirds of all drug lab cases in Oregon and Washington.
  • We guarantee the lowest prices on drug lab testing and cleanup in the Northwest.
  • Our owner is available 24/7 for direct client support.
  • We use state-of-the-art equipment and guarantee results below EPA radon levels.
Associations and certifications
  • AHERA Certified
What people say
Exceeded expectations Competitive pricing Owner available 24/7 State-of-the-art equipment Free neighbor testing
Services
Radon Testing
Our radon testing services utilize advanced diagnostics to measure radon levels accurately. We provide detailed reports and actionable recommendations to ensure your home meets safety standards. Our testing includes pre- and post-mitigation assessments to guarantee long-term protection.
Mold Remediation
We offer comprehensive mold remediation using environmentally safe methods to eliminate existing mold and prevent future growth. Our process includes air and surface sampling, moisture control, and structural repairs to restore indoor air quality safely.
Drug Lab Cleanup
Specializing in clandestine drug lab cleanup, we follow strict protocols to remove hazardous chemicals and restore properties to habitable conditions. Our services include testing, decontamination, and compliance documentation for real estate transactions.
Asbestos Testing
Our AHERA-certified inspectors conduct thorough asbestos testing with rapid turnaround times. We provide sample analysis and guidance for safe removal or management of asbestos-containing materials in residential properties.
Environmental Mitigation
We address multiple environmental hazards through customized mitigation plans. Our services integrate radon reduction, mold control, and chemical decontamination to create healthier living spaces while maintaining structural integrity.
People
Larry Stone
President
Larry Stone founded A Best Environmental in 2001 and oversees all operations. With over two decades in environmental mitigation, he specializes in radon, mold, and drug lab remediation. He prioritizes client communication and guarantees direct availability.
Questions
What is an acceptable level of radon?
The EPA recommends action if radon exceeds 4.0 pCi/l. We guarantee levels below 1.0 pCi/l.
What risks do high radon levels pose?
High radon levels increase lung cancer risk, the second leading cause after smoking.
Do you offer free consultations?
Yes, we provide free consultations and phone quotes for all services.
Are your prices competitive?
We guarantee the lowest prices in the Northwest for drug lab testing and cleanup.
How quickly can you complete a project?
Most radon mitigation jobs finish within days, with minimal disruption to your home.