We make buildings work better.

MacDonald-Miller Facility Solutions is the top choice, full-service, design-build mechanical contractor in the Pacific Northwest.

We want to make your facility run the best it can.

With over 800 talented professionals, 8 locations and our own fabrication shop, no project is too small or too big. Whether you simply have a service call, or are planning a 40-story office building, we have the right team of system experts – for you and your buildings’ needs.

We make buildings work better.

Our Offices

Seattle

Ph: 206-767-7995

Fx: 206-767-6773

Corporate Mailing

PO Box 47983
Seattle, WA 98146-7983

Corporate Street

7717 Detroit Ave SW
Seattle, WA 98106

Madison Office

1004 Madison Street
Seattle, WA 98104

Prefabrication Shop

3701 S Norfolk
Seattle, WA 98118

Directions
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Everett

Ph: 425-258-9310

Address

3211 Broadway Ave
Everett, WA 98201

Directions
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Bellevue

Ph: 206-767-7995

Address

12031 Northup Way
Suite 201
Bellevue, WA 98005

Directions
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Tacoma

Ph: 253-680-3170

Address

2500 S Holgate St
Tacoma, WA 98402

Directions
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Portland

Ph: 971-244-0901

Address

12911 NE Airport Way
Portland, OR 97230

Directions
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Eugene

Ph: 971-244-0901

Address

4660 Main Street
Bldg B, Suite #250
Springfield, OR 97478

Directions
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Redmond/Bend

Ph: 541-526-0655

Address

1555 SE 1st Street
Redmond, OR 97756

Directions
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Moses Lake

Ph: 509-766-6637

Address

500 South Lasco Lane, Suite 227
Moses Lake, WA 98837

Directions
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Our Locations