Jonathan B.
7/16/2023
I wanted to get a mold test to better understand the air quality in my house. I chose Carl because talking to him on the phone I could tell he was not only knowledgable but honest. I appreciate...
A-1 Certified Enviromental Services
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(59)
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1019 Divisadero St
San Francisco, CA 94115
A-1 Certified Environmental Services, LLC. We provide the fastest and most reliable mold testing available. We also undertake Indoor Air Quality Testing and Mold Testing in San Francisco, Los Angeles, San Diego, San Jose, Sacramento, Long Beach, Oakland and in most regions of California. Typicall...
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Reviews
4.559 reviews
Monica G.
2/28/2024
I had high hopes. I was told yesterday that the owner could come by this evening to conduct my air sample test. He took my name and address and said he would call me to confirm a time. He...
Thor H.
7/20/2023
Carl of A-1 Certified Environmental is very professional & simply amazing! Look no further for a testing company! This gentleman knows this field extremely well with about 20 years of experience...
N W.
1/10/2024
I knew I'd been physically impacted by mold and wanted to have my apartment tested to see if I was still being exposed. I was happy to learn that Carl could test just my apartment, which meant I...
Jordan K.
9/27/2023
A-1 is the place to go to. We needed mold testing completed. When I called Carl he was honest, professional, knowledgeable, and informative. His fees are reasonable. He was on time. So he's very...
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