✓ WA Registered contractor, specialty Well Drilling on record #CASCADL915O8 ★ 5 (6 reviews) Water Well Drilling
Verified Oct 2026 · Unclaimed listing
Well pump repair and water testing in Seattle, WA
12 registered well businesses work within 30 miles of Seattle. Every one holds a water well or pump registration or license on a state list.
12 registered businesses within 30 miles
10 on a state list for pump work
Registered well pump pros near Seattle
Are you a well pump business near Seattle? One sponsor per county, clearly labelled. Sponsor this county
Cascade Drilling LP
90/100 ✓ CA Licensed C-57 Well Drilling Contractor on record #1058336 Well Pump RepairPump InstallationWater Well Drilling
Verified Oct 2026 · Unclaimed listing
✓ WA Registered contractor, specialty Domestic Pump on record #DUCKWPW7761J 2 registered people Well Pump RepairPump Installation
Verified Oct 2026 · Unclaimed listing
✓ WA Registered contractor, specialty Domestic Pump on record #DAYNINP789T4 ★ 4.8 (1848 reviews) Well Pump RepairPump Installation
Verified Oct 2026 · Unclaimed listing
Lofall Well Drilling INC
90/100 ✓ WA Registered contractor, specialty Well Drilling on record #LOFALWD922BH ★ 2.7 (6 reviews) Water Well Drilling
Verified Oct 2026 · Unclaimed listing
Coolwater Drilling INC
90/100 ✓ WA Registered contractor, specialty Domestic Pump on record #COOLWDI7842D ★ 4.1 (23 reviews) 2 registered people Well Pump RepairPump Installation
Verified Oct 2026 · Unclaimed listing
JKA Well Drilling & Pumps
90/100 ✓ WA Registered contractor, specialty Domestic Pump on record #JKAWEWD784DB ★ 4.9 (222 reviews) 2 registered people Well Pump RepairPump Installation
Verified Oct 2026 · Unclaimed listing
✓ WA Registered contractor, specialty Domestic Pump on record #TOTALWP7783H ★ 4.8 (52 reviews) 2 registered people Well Pump RepairPump Installation
Verified Oct 2026 · Unclaimed listing
Davis Drilling LLC
90/100 ✓ WA Registered contractor, specialty Domestic Pump on record #DAVISDL7541P ★ 4.7 (22 reviews) 2 registered people Well Pump RepairPump Installation
Verified Oct 2026 · Unclaimed listing
Holt Drilling Services
90/100 ✓ CA Licensed C-57 Well Drilling Contractor on record #1008224 2 licensed people Well Pump RepairPump InstallationWater Well Drilling
Verified Oct 2026 · Unclaimed listing
Blue Line Water INC
90/100 ✓ WA Registered contractor, specialty Domestic Pump on record #BLUELLW772WD ★ 3.9 (44 reviews) 2 registered people Well Pump RepairPump Installation
Verified Oct 2026 · Unclaimed listing
✓ WA Registered contractor, specialty Domestic Pump on record #CLEANWP786CQ 2 registered people Well Pump RepairPump Installation
Verified Oct 2026 · Unclaimed listing
On Washington's registration list in Seattle
Everyone the state list places in Seattle, as published. Some are registered people rather than companies.
| Town | Name on the list | Registration types | Registration | Expires | Phone |
|---|---|---|---|---|---|
| Seattle | Shannon & Wilson INC | Registered contractor, specialty Well Drilling | SHANNW*378N0 | Mar 2028 | (206) 632-8020 |
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 Seattle 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 Seattle
Where are the registered well businesses listed for Seattle based?
12 registered well businesses are listed within 30 miles of Seattle. None is based in Seattle itself, 2 within 15 miles and 10 further out, up to 30 miles away. Other towns with more than one listing: Monroe (2) and Puyallup (2). The closest is Cascade Drlg/lp A Ltd Ptshp/de in Woodinville, 14 miles from Seattle.
Who can repair a well pump in Seattle?
10 businesses within 30 miles of Seattle are on a state list for pump work. The Washington State Department of Labor & Industries list, read October 10, 2026, places 1 entry in Seattle itself, shown in the table on this page.
How many of the well businesses near Seattle have Google reviews?
8 of the 12 listed for Seattle have 3 or more Google reviews. Day & Nite Plumbing & Htg INC has the most reviews, 1,848, with an average of 4.8 stars, as Google showed them at our last check.
Testing: well water test fees · what to test your well for
Registration list: Washington State Department of Labor & Industries, read October 10, 2026.
Keep looking
- Monroe, WA(24 mi)
- Puyallup, WA(30 mi)
- Olympia, WA(43 mi)
- Mount Vernon, WA(54 mi)