Contact Us

Granite Works Corporate - Office Showroom

9830 Grand Avenue
Duluth, MN 55808
OFFICE: +1.218.626.1625
FAX: +1.218.626.1470
Our normal showroom hours are:
Monday - Friday 9 - 5pm
Saturday 10-2pm
or by appointment
You can also contact us by email-
Paul Koski: paul@graniteworksduluth.com
Marsha Koski: marsha@graniteworksduluth.com
Chad Wennberg: chad@graniteworksduluth.com

Granite Works Showroom

1100 S Pokegama Ave
Grand Rapids, MN
OFFICE: +1 218.326.2850
Our normal showroom hours are:
Monday - Friday 10- 5pm
Saturday 10-2pm
or by appointment
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