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Licensed Well and Septic Contractors: Nevada County, CA

10 licensed well and septic pros based in Nevada 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 Nevada County? Request free quotes and we'll pass it to licensed well and septic pros who serve the area.

Towns in Nevada County

All 4 towns named on the license records based here, with the number of listings in each, most first.

License classes on the Nevada 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 10.

License classTradeListings
Sanitation System Contractor (C-42)Septic7
Well Drilling Contractor (C-57)Well3

Septic Contractors based in Nevada County (7)

Pombo Al INCLicensed

Septic System Installation
Based in Truckee, CA · License #382731

Navo & Sons INCLicensed

Septic System Installation
Based in Grass Valley, CA · License #717036

Mighty Mike Plumbing INCLicensed

Septic System Installation
Based in Truckee, CA · License #899885

Quick Response Septic & Portable Toilet RentalsLicensed

Septic System Installation
Based in Grass Valley, CA · License #960628

Navo Jeremey Septic

Septic System Installation
Based in Grass Valley, CA · License #1043568

Talon ConstructionLicensed

Septic System Installation
Based in Penn Valley, CA · License #397350

Black Diamond BuildersLicensed

Septic System Installation
Based in Grass Valley, CA · License #831668

Water Well Contractors based in Nevada County (3)

Santa Cruz GroundwaterLicensed

Well Drilling
Based in Nevada City, CA · License #989956

Peters Drilling And Pump Service INCLicensed

Well Drilling
Based in Grass Valley, CA · License #456136

49er Water ServicesLicensed

Well Drilling
Based in Nevada City, CA · License #1115624, 936921

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 Nevada County, with national cost ranges

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

ServiceBased in Nevada CountyNational cost
Septic Tank Pumping0$250 to $600
Septic System Installation7$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 Drilling3$5,500 to $35,000
Well Pump Repair0$1,000 to $2,500

None of the listings based in Nevada 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 Nevada 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