Licensed Well and Septic Contractors Based in Petaluma, CA

10 licensed well and septic pros based in Petaluma. Every license number below is sourced from public licensing records, with a link to look it up yourself.

"Based in" is the city on the business's license record. That can be a mailing address; it doesn't tell you where the business works. Businesses based in nearby towns may also work here.

Browse Petaluma by service

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Services in Petaluma, with national cost ranges

Listings based in Petaluma whose license class covers each service. Cost ranges are national; each links its cost guide.

None of the listings based in Petaluma hold a license class we can match to septic tank pumping, septic inspection, septic system design, perc test and soil evaluation or well pump repair. Ask any contractor whether they do this work, or browse the listings based in Sonoma County.

Hiring a well and septic professional in Petaluma

Before you hire, confirm the license is still active with the agency that issued it and get at least three written quotes.

Homeowner guides

• What Is a Septic Tank and How Does It Work?
• No Water From Your Well? What to Check First
• Well Water Testing: What to Test For and How Often
• Do I need a permit for well or septic work in California?

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