Get matched with top percolation testing pros in Orinda, CA

Great service--Dan thoroughly inspected the house for signs of mold, tested the air in carefully chosen spots, and even rigged a way to test the inside of a sealed box containing books that we were suspicious of, all after patiently listening to our history to determine where he should test. The...

A1 Certified was professional and courteous for starters. They were on time, and shared valuable information about mold/mold abatement. Testing results were needed prior to the time frame and the gentleman that did our testing, called the lab and rushed the results.

The test was simple and I was impressed with how quickly I received the results. Would recommend.

Done in one day, at a reasonable cost. A test of efficiency is performed afterward by a separate company, and the tester said they did a quality job. We are very, very happy with the result.

I went on to Angie's List looking for mold remediation. I found this company and they came out and tested for mold. I worked with JC, she used some machines and tested the spore levels for mold. It was very high because there was no ventilation in the bathroom. She recommended some mold...

William arrived on time and was very helpful/professional. Appreciated that he was patient and walked me through the details about the testing he was doing. This is my second appointment with this plumbing company ... Highly recommend.

Clean and test the system. These folks are A1!

A prior plumbing company replaced a section of my sewer lateral, but didn't quote me for what it would take to pass the leak test before my sale.  Toto Plumbing came out quickly, gave me an estimate and provided me with an approach they'd use for passing the test.  Unfortunately, it required...