I thought I would post this for your reference if you can't find with my vague phone description of the place:
http://www.finishmaster.com/locations.html
I GO HERE:
11819 Dublin Blvd.
Dublin, CA 94568
(925) 828-7780
AND THEY DO HAVE A CONCORD STORE:
2666 Willow Pass Rd.
Concord, CA 94519
(925) 685-6500
