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Mechanical Contractor & Commercial Plumbing Company

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.

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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.

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 in Kent & Seattle Metro Area

Expert Plumbing Solutions for Your Commercial Facility. When plumbing issues arise, you need a partner you can trust.

Boiler Plant Construction and Repair

Chiller Plant Construction and Repair

Steam System Installation and Repair

Plumbing and Medical Gas Installation and Repair

Pipe Video Camera Inspections

Backflow Certification Testing and Repairs

Underground Piping Installation and Repair

Drain Cleaning and Jetting

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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.

Oakville School District

Oakville 
Education Projects

Trane Company ESCO Project, Complete HVAC Upgrades

Red Lion Hotel

Seattle 
Hospitality & Lodging

Phase 3 & 4 Room Additions Plumbing

First Hill Street Car

Seattle 
Federal & Government Projects

New Maintenance Facility 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!