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Water Guys.

WA + ID, registered in both statesEst. 2010
(509) 286-1223

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Credentials & honors
  • Registered in both statesWA L&I + Idaho DOPLRegistered in both states. Holds a current Washington L&I registration and a current Idaho contractor registration, so it can legally take jobs on both sides of the state line.

Water Guys installs home water treatment systems. The work covers Spokane Valley, Spokane and a wide stretch of Eastern Washington and North Idaho, from Liberty Lake and Post Falls to Coeur d'Alene, for homeowners on city water and private wells alike. The menu runs from in-home water testing and reverse osmosis drinking water units to whole-house filters, softeners with salt delivery, and well water treatment.

Based in Spokane Valley, Water Guys works with Puronics and Water Right equipment and advertises American-made systems. The company says it was founded in 2010, is family-owned, and registers each system for its manufacturer warranty before the technician leaves the house, with multi-decade warranties claimed on some systems. The state lists John Baxter and Nicole Baxter as principals since 2025, and the crew is small, in the one-to-three range. The service list on the company's own site reaches past Spokane County into Stevens, Kootenai, Bonner and Pend Oreille counties, naming towns like Deer Park, Colville, Rathdrum and Sandpoint. The work here is narrow and residential: testing the water, recommending a treatment setup, installing it, and keeping it running through scheduled filter changes and annual inspections. That suits a buyer who wants the water checked before closing, an older house getting whole-house filtration, or a well owner who would rather have maintenance on a calendar than remember it. Commercial plumbing and burst pipes are outside the focus; those calls belong with a plumber. Water treatment splits cleanly by size. A single under-sink reverse osmosis unit or a filter swap is a short visit, and the main question is whether the parts are easy to get later. A whole-house system or a softener on a well is a bigger decision: it starts with a proper test, since hardness and well chemistry vary across the region, and it ties into the home's main line. For that larger job, look for a specialist who tests first, explains the results, and offers ongoing service, and save general plumbers for repairs.

WA L&I registration verified October 1, 2026 · see the state record

WA L&I registration
Registration number
WATERG*757MQ
Registration checked
October 1, 2026
Registered since
2025
Expires
July 2027
Also licensed in Idaho
1481139
Contractor bond
$30,000 · Western Surety Co
Liability insurance
$1,000,000 · Ohio Security Ins Co
Insurance through
July 2027
Check it on the state record
On Google
4.9/ 5

Water Guys's Google rating, from 305 reviews. Worth ten minutes before you call — read the most recent ones first.

Read the reviews on Google
Listed services
01
Water filtration system installation
02
Reverse osmosis drinking water systems
03
Whole-house filter installation
04
In-home water quality testing
05
Preventive maintenance programs
06
Water softener installation and salt delivery
07
Well water treatment

Ask Water Guys which of these their own crew handles.

The record

The details on Water Guys

WA L&I registration
WATERG*757MQ
Idaho plumbing license
1481139
Registration checked
October 1, 2026
Registered since
2025
Expires
July 2027
Contractor bond
$30,000 · Western Surety Co
Liability insurance
$1,000,000 · Ohio Security Ins Co
Insurance through
July 2027
Established
2010
Primary trade
General Contractor
L&I specialty
GENERAL
Registered principal
John Baxter · since 2025
Registered principal
Nicole Baxter · since 2025
Based in
Spokane

Own this business? Claim the listing to correct anything here.

Before you call

Questions worth asking Water Guys

Is Water Guys licensed in Washington?

Registration WATERG*757MQ is the one to check, and it expires July 2027. It is Water Guys's, filed with Washington State L&I. They are also licensed in Idaho (1481139), so Coeur d'Alene-side work is covered too. That was current on the state record as of October 1, 2026 — the link on this page goes to the record itself. On file alongside it: a $30,000 contractor bond (Western Surety Co) and $1,000,000 of liability insurance with Ohio Security Ins Co through July 2027. Ask for proof of bond and current insurance before work starts.

What kind of work does Water Guys take on?

Water Guys lists these general contractor services: Water filtration system installation, Reverse osmosis drinking water systems, Whole-house filter installation, In-home water quality testing, Preventive maintenance programs, Water softener installation and salt delivery, Well water treatment. Ask which of them the crew self-performs and which they sub out.

Does Water Guys have good reviews?

4.9 out of 5 on Google, across 305 reviews. This page links straight to them — read the most recent first, since they tell you how the business runs now rather than how it ran three years ago.

Who is 509-286-1223?

Water Guys, a general contractor based in Spokane. (509) 286-1223 is the number on their listing, and their website is waterguyspnw.com. Calling back about a quote? Get it in writing before anyone starts.

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