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 1000 talented professionals, 10 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: 206-763-9400

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: 855-MAC-HVAC

Address

11512 Airport Road, Suite F-700, Everett, WA 98204

Directions
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Bellevue

Ph: 206-763-9400

Address

12031 Northup Way / Suite 201 / Bellevue, WA 98005

Directions
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Tacoma

Ph: 206-763-9400

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

5250 Highbanks Road / Suite 310 / 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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Eastern Washington

Address

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

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Our Locations