Licensed Well and Septic Contractors Based in Sonoma County, CA
49 licensed well and septic pros based in Sonoma County. Every license number below is sourced from official California records, with a link to verify it yourself.
Grouped by the county of the address on each business's state license record, which can be a mailing address; it doesn't tell you where the business works. Where the record doesn't name the county of the address, its ZIP code decides (a ZIP that crosses a county line goes to the county holding most of its homes), then its town.
Septic Contractors based in Sonoma County (27)
Redwood Septic ServicesLicensed
Moore Home ServicesLicensed
Maverick Excavating INCLicensed
Berry Kevin LeeLicensed
Austin Creek Services INCLicensed
C & C ContractingLicensed
Ongaro & SonsLicensed
Paul Michael Company INCLicensed
Horobin Construction INCLicensed
Sanitary Solutions CorpLicensed
Bdk Septic ServiceLicensed
La Bare NicoleLicensed
Drew Underground ConstructionLicensed
Masterson Bryan EnterprisesLicensed
Peterson Mechanical INCLicensed
Keller Charles Construction INCLicensed
Bob's Underground SepticLicensed
Neighbor HomesLicensed
Roy's Sewer Service INCLicensed
Miller M M ConstructionLicensed
Rebich Construction INCLicensed
Water Well Contractors based in Sonoma County (22)
Fisch Bros DrillingLicensed
Koenig DrillingLicensed
Anthony Joseph AdiegoLicensed
Petersen Les Drilling & Pump INCLicensed
Koenig JustinLicensed
Alberigi BillyLicensed
Weeks Drilling And Pump COLicensed
Razo Drilling And Pump INCLicensed
Waterworks Industries LLCLicensed
Northbay Well And Pump LLCLicensed
Holden Ralph & COLicensed
Northbay Well & Pump ServiceLicensed
Pumpman NorcalLicensed
Clear Heart Drilling INCLicensed
Pearson DrillingLicensed
Oasis Pump & DrillingLicensed
Stapleton Brett AustinLicensed
Cities in Sonoma County
Hiring a well and septic professional in Sonoma County
GroundRoster aggregates official state licensing rosters for water-well and septic (onsite wastewater) professionals into one searchable directory, refreshed regularly.
Before you sign anything: confirm the license number on this page is still active with California, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.