Masonry Institute of Washington
Masonry Institute of Washington
506 Second Avenue, Suite 1400
Seattle, WA 98104
206-582-5072
Now Available Online: Masonry Systems Guide 2018 Northwest Edition | Click to View the Guide
Promoting Masonry Through Service to the Design and Construction Industry
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Masonry Institute of Washington Golf Tournament
Our Affiliates
Find a Certified Mason Contractor
Upcoming Events
Jul 25, 2019
Lunch & Learn + Sip & Learn
Jul 26, 2019
MIOCTIO Golf Tournament
Aug 5, 2019 - Aug 10, 2019
TMT Express Week
Aug 15, 2019
Lunch & Learn + Sip & Learn
Aug 23, 2019
MIW-IMI Golf Tournament
Aug 30, 2019
Project Submission Due: 2019 Excellence in Masonry Awards
Sep 19, 2019
Lunch & Learn