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Commercial Plumbing Company & Mechanical Contractor

24/7 full service commercial plumbing company, providing new construction, tenant improvement and remodel work. Service work and design build engineering services in the Multi Family and Commercial sectors. Serving Kent and the greater Seattle area.

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Design Build
Design Assist
Firm Price Proposals
GMP (Guaranteed maximum price)
Value Engineering Services
Service Work
Scheduled Maintenance
24hr Emergency Services

Value with Distinction

Western Mechanical Contractors, Inc looks forward to working with you! Our scopes include Plumbing Contractors, Mechanical Contractors & Piping (Industrial).
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Our Mission

Western Mechanical Contractors delivers exceptional commercial plumbing with honesty, integrity, and innovation, exceeding client expectations through quality, ethical practices, and open communication. We serve Kent & the greater Seattle area.

Our Services

Our Services

From routine maintenance to complex installations, our expert team is equipped to handle all your commercial plumbing needs. We specialize in delivering reliable, high-quality service that keeps your operations running smoothly. Explore our range of services and discover how we can support your business today

Commercial Plumbing Services

Expert Plumbing Solutions for Your Commercial Facility in Kent & Seattle Metro Area. When plumbing issues arise, you need a partner you can trust.

Backflow Prevention Testing & Repair

Certified Backflow Plumbers for Commercial Facilities in Kent & Greater Seattle Area.

Water Leak Repair

24/7 Emergency Leak Repair for Businesses in Puget Sound Region. Water leaks in commercial and industrial buildings can quickly turn into costly, disruptive problems.

Drain Cleaning and Jetting

Comprehensive Commercial and Industrial Drain Cleaning Services. Drain issues can quickly bring operations to a stop. Whether it’

Pipe Video Camera Inspections

Accurate diagnosis is the first step in resolving any drain or sewer issue.

Underground Piping Installation and Repair

Reliable Underground Pipe Solutions for Commercial & Industrial Facilities. Underground piping issues often go unnoticed until they interrupt daily operations.

Medical Gas Plumbing

Certified Medical Gas Plumber in Washington. Medical gas is critical to healthcare operations, requiring specialized installation that meets strict safety requirements.

Boiler Plant Construction and Repair

Chiller Plant Construction and Repair

Steam System Installation and Repair

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See Our Work in Action

From office buildings and retail spaces to industrial facilities, we’ve helped businesses of all sizes with their commercial plumbing needs. Explore our featured projects to see how our expertise and attention to detail have delivered exceptional results for our clients.

BJ’s Restaurant

Redmond Town Center 

New Restaurant Plumbing

First Hill Street Car

Seattle 
Federal & Government Projects

New Maintenance Facility Plumbing

Moxy Hotel

Seattle 
Hospitality & Lodging

New Hotel Design Build Plumbing

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Let's Get Started!

From installations to emergency repairs, we specialize in keeping your business plumbing in top shape. Contact us today for a free, no-obligation quote!
8209 S 222nd St
Kent, WA 98032 253.946.9544
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