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Licensed Well and Septic Contractors: Fresno County, CA

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

Grouped by the county of the address on each license record, which can be a mailing address, so it doesn't tell you where the business works. When the record names no county, we place it by ZIP code, then town.

Checked against California Contractors State License Board (CSLB). Roster copy last refreshed 2026-08-17.

Need well or septic work quotes in Fresno County? Request free quotes and we'll pass it to licensed well and septic pros who serve the area.

Towns in Fresno County

All 15 towns named on the license records based here, with the number of listings in each, most first.

License classes on the Fresno County records

Each class as the issuing agency prints it on the license record. A record that names more than one class counts once under each, so the rows can add up to more than 52.

License classTradeListings
Well Drilling Contractor (C-57)Well34
Sanitation System Contractor (C-42)Septic16
Sanitation System Contractor (C-42)Well and Septic2
Well Drilling Contractor (C-57)Well and Septic2

Septic Contractors based in Fresno County (16)

Corea Tom Construction INCLicensed

Septic System Installation
Based in Fresno, CA · License #392288

Big Bore Drilling Certified Septic CO & HydroflushingLicensed

Septic System Installation
Based in Fresno, CA · License #579423

Sequoia Pumping LLCLicensed

Septic System Installation
Based in Fresno, CA · License #1136392

U S Septic SystemsLicensed

Septic System Installation
Based in Fresno, CA · License #763501

J And A Backhoe ServiceLicensed

Septic System Installation
Based in Orange Cove, CA · License #645479

Martinez Plumbing

Septic System Installation
Based in Clovis, CA · License #1068354

Kaylen Traffic ControlLicensed

Septic System Installation
Based in Friant, CA · License #816110

Alf Plumbing INCLicensed

Septic System Installation
Based in Fresno, CA · License #1109556

Johnston Floyd Construction CO INC

Septic System Installation
Based in Clovis, CA · License #280281

Central State SanitationLicensed

Septic System Installation
Based in Auberry, CA · License #679568

Pds Plumbing & AirLicensed

Septic System Installation
Based in Clovis, CA · License #1019286

Bray's Hoe ServicesLicensed

Septic System Installation
Based in Selma, CA · License #1005746

Strategic Mechanical INCLicensed

Septic System Installation
Based in Fresno, CA · License #834679

Quirk's Sierra Pumping Services

Septic System Installation
Based in Fresno, CA · License #1019747

B & L Mechanical INCLicensed

Septic System Installation
Based in Fresno, CA · License #492481

Dick Donald P Air Conditioning INCLicensed

Septic System Installation
Based in Fresno, CA · License #271615

Water Well Contractors based in Fresno County (34)

Katch General And KatchLicensed

Well Drilling
Based in Fresno, CA · License #933096

A & S Pump ServiceLicensed

Well Drilling
Based in Clovis, CA · License #782886

Big River Drilling LLCLicensed

Well Drilling
Based in Riverdale, CA · License #1012504

Kechichian Joseph VikenLicensed

Well Drilling
Based in Fresno, CA · License #1069302

Dl Well DrillingLicensed

Well Drilling
Based in Kerman, CA · License #1109628

Belknap David Well Drilling

Well Drilling
Based in Reedley, CA · License #1019688

Johnson Drilling COLicensed

Well Drilling
Based in Reedley, CA · License #245802

Bakersfield Well & Pump COLicensed

Well Drilling
Based in Fresno, CA · License #440537

Waters Drilling And Pump INCLicensed

Well Drilling
Based in Tollhouse, CA · License #1000756

Swage Kings INCLicensed

Well Drilling
Based in Fresno, CA · License #1003102

Bradley & Sons INCLicensed

Well Drilling
Based in Del Rey, CA · License #414178

Singh GurtejLicensed

Well Drilling
Based in Selma, CA · License #1005593

B & B Well Drilling IncorporatedLicensed

Well Drilling
Based in Laton, CA · License #1011069

Kings River Drilling LLCLicensed

Well Drilling
Based in Sanger, CA · License #1001797

Kroeker INCLicensed

Well Drilling
Based in Fresno, CA · License #621866

H & B Drilling And Sons LLCLicensed

Well Drilling
Based in Fowler, CA · License #1007236

Salem Well DrillingLicensed

Well Drilling
Based in Fresno, CA · License #970772

Vasquez Markos EliasLicensed

Well Drilling
Based in Selma, CA · License #1035045

Triple J Pump Service IncorporatedLicensed

Well Drilling
Based in Clovis, CA · License #964384

Lawson Well Drilling INCLicensed

Well Drilling
Based in Orange Cove, CA · License #1024525

Prieto Anthony JLicensed

Well Drilling
Based in Selma, CA · License #425883

99 Drilling LLCLicensed

Well Drilling
Based in Selma, CA · License #1009544

Crisp Well Drilling

Well Drilling
Based in Fowler, CA · License #1045131

Hp Water Systems INCLicensed

Well Drilling
Based in Fresno, CA · License #701818

Katch GeneralLicensed

Well Drilling
Based in Fresno, CA · License #1158578

Bsk AssociatesLicensed

Well Drilling
Based in Fresno, CA · License #490942

Cr IndustriesLicensed

Well Drilling
Based in Kerman, CA · License #1054971

Anthony J Prieto Water Well Drilling INCLicensed

Well Drilling
Based in Selma, CA · License #931959

Krazan & Associates

Well Drilling
Based in Clovis, CA · License #499908

Logan Bros Pump And Ag INCLicensed

Well Drilling
Based in Reedley, CA · License #1034916

Technicon Engineering Services INCLicensed

Well Drilling
Based in Fresno, CA · License #767888

Asbury Well Drilling & PumpsLicensed

Well Drilling
Based in Fresno, CA · License #1005978

Moore Twining Associates INCLicensed

Well Drilling
Based in Fresno, CA · License #506159

Big River Drilling INCLicensed

Well Drilling
Based in Riverdale, CA · License #1146787

Well and Septic Contractors based in Fresno County (2)

J V H Well & Septic INCLicensed

Septic System Installation · Well Drilling
Based in Clovis, CA · License #1090773

Drilling Services

Septic System Installation · Well Drilling
Based in Squaw Valley, CA · License #921299

Own one of these businesses? Find your listing and claim it.

Looking for a specific contractor? Search by name, business name, or license number.

Services in Fresno County, with national cost ranges

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

ServiceBased in Fresno CountyNational cost
Septic Tank Pumping0$250 to $600
Septic System Installation18$3,600 to $12,500
Septic Inspection0$150 to $900
Septic System Design0Varies by site
Perc Test and Soil Evaluation0$250 to $1,000
Well Drilling36$5,500 to $35,000
Well Pump Repair0$1,000 to $2,500

None of the listings based in Fresno County 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 try a nearby city.

Hiring a well and septic professional in Fresno County

Before you sign anything: confirm the license on this page is still active with the agency that issued it, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.

Do I need a permit for well or septic work in California?

Neighboring counties