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Well pump repair and water testing in Napa, CA

17 licensed well businesses work within 30 miles of Napa, 4 of them based in town. Every one holds a California water well or pump installer license.

17 licensed businesses within 30 miles
17 with a pump installer license

Licensed well pump pros near Napa

Are you a well pump business near Napa? One sponsor per county, clearly labelled. Sponsor this county

Oakville Pump Service INC

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #744958 ★ 4.8 (6 reviews) Well Pump RepairPump InstallationWater Well Drilling

2310 Laurel St #1, Napa, CA 94559 · 1 mi from Napa

Call (707) 944-2471 Details Website
Verified Oct 2026 · Unclaimed listing

MC Lean & Williams INC

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #396352 ★ 4.8 (33 reviews) Well Pump RepairPump InstallationWater Well Drilling

878 El Centro Ave, Napa, CA 94558 · 5 mi from Napa

Call (707) 255-6450 Details Website
Verified Oct 2026 · Unclaimed listing

Doshier-gregson INC

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #258826 ★ 5 (8 reviews) Well Pump RepairPump InstallationWater Well Drilling

5365 Broadway, American Canyon, CA 94503 · 6 mi from Napa

Call (707) 226-9698 Details Website
Verified Oct 2026 · Unclaimed listing

Oasis Pump & Drilling

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #242168 ★ 2.7 (18 reviews) Well Pump RepairWell Water TestingPump InstallationWater Well Drilling

424 Payran St A, Petaluma, CA 94952 · 18 mi from Napa

Call (707) 762-4028 Details Website
Verified Oct 2026 · Unclaimed listing

Koenig Drilling

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #1038648 2 licensed people Well Pump RepairPump InstallationWater Well Drilling

102 Veronda Ave, Cotati, CA 94931 · 22 mi from Napa

Call (707) 888-9617 Details Website
Verified Oct 2026 · Unclaimed listing

Conetec INC

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #1049248 Well Pump RepairPump InstallationWater Well Drilling

506 De Carlo Ave, Richmond, CA 94801 · 22 mi from Napa

Call (510) 357-3677 Details Website
Verified Oct 2026 · Unclaimed listing

Pumpman Norcal

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #1033562 ★ 4.1 (9 reviews) Well Pump RepairPump InstallationWater Well Drilling

4000 S Moorland Ave, Santa Rosa, CA 95407 · 24 mi from Napa

Call (707) 584-9191 Details Website
Verified Oct 2026 · Unclaimed listing

R W R Construction INC

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #527433 ★ 4.6 (30 reviews) Well Pump RepairPump InstallationWater Well Drilling

200 Gary Pl, San Rafael, CA 94901 · 25 mi from Napa

Call (415) 457-5658 Details Website
Verified Oct 2026 · Unclaimed listing

Razo Drilling and Pump INC

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #1122070 ★ 5 (15 reviews) Well Pump RepairPump InstallationWater Well Drilling

2579 Rain Dance Way, Santa Rosa, CA 95407 · 25 mi from Napa

Call (707) 280-4958 Details Website
Verified Oct 2026 · Unclaimed listing

Weeks Drilling and Pump Co

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #177681 ★ 4.3 (44 reviews) Well Pump RepairPump InstallationWater Well Drilling

6100 CA-12, Sebastopol, CA 95472 · 29 mi from Napa

Call (707) 823-3184 Details Website
Verified Oct 2026 · Unclaimed listing

Martell Water Systems INC

90/100
✓ CA Licensed C-57 Well Drilling Contractor on record #510952 ★ 4.5 (31 reviews) Well Pump RepairPump InstallationWater Well Drilling

1818 Loveridge Rd, Pittsburg, CA 94565 · 30 mi from Napa

Call (925) 432-4282 Details Website
Verified Oct 2026 · Unclaimed listing

On California's license list in Napa

Everyone the state list places in Napa, as published. Some are licensed people rather than companies.

TownName on the listLicense classesLicenseExpiresPhone
Napa Bess D Pump & Well Elect C-57 Well Drilling Contractor 487027 Feb 2028 (707) 337-3851
Huckfeldt Well Drilling INC C-57 Well Drilling Contractor 439746 Jul 2027 (707) 255-7923
Hydros Agritech INC C-57 Well Drilling Contractor 1129854 Dec 2026 (707) 337-5533
MC Lean & Williams INC C-57 Well Drilling Contractor 396352 Dec 2026 (707) 255-6450
Oakville Pump Service INC C-57 Well Drilling Contractor 744958 Jan 2028 (707) 944-2471
West Coast Well and Pump C-57 Well Drilling Contractor 1089677 Apr 2028 (707) 815-3288

Test your well water every year

The EPA says to test a private well every year for bacteria and nitrates, and no agency does it for you. Tell us when your water was last tested in Napa and we'll text you a month before the next test is due, with labs and state-listed well pros near you.

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Well questions in Napa

Where are the licensed well businesses listed for Napa based?

17 licensed well businesses are listed within 30 miles of Napa. 4 are based in Napa itself, 2 more within 15 miles and 11 further out, up to 30 miles away. Other towns with more than one listing: Santa Rosa (4) and Petaluma (2). The closest is Oakville Pump Service INC, 1 mile from Napa.

Who can repair a well pump in Napa?

17 businesses within 30 miles of Napa hold a pump installer license class on a state list. The Contractors State License Board (California) list, read October 10, 2026, places 6 entries in Napa itself, shown in the table on this page.

Which well businesses near Napa test well water?

1 of the 17 businesses within 30 miles of Napa lists water testing among its services.

How many of the well businesses near Napa have Google reviews?

13 of the 17 listed for Napa have 3 or more Google reviews. Weeks Drilling and Pump Co has the most reviews, 44, with an average of 4.3 stars, as Google showed them at our last check.

Testing: well water test fees · what to test your well for

License list: Contractors State License Board (California), read October 10, 2026.

Related site: Most homes on a private well also have a septic system, and a home sale often calls for both to be inspected. Licensed septic pros in Napa on SepticNear, our sister directory.

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