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Masterson Bryan EnterprisesLicensed

Licensed septic contractor based in Petaluma, Sonoma County, CA

License details

License number271933
License typeSanitation System Contractor (C-42)
License statusActive, CSLB license CLEAR
License expiresNovember 30, 2027
Based inPetaluma, Sonoma County, California 94954

"Based in" is the city and county of the address on the business's license record.

What this license covers

  • Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #271933 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: California Contractors State License Board (CSLB), last checked 2026-08-17. Look it up at the issuing agency.

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