Mike Clawson Claim Listing Return to Directory Rating (average) (0) Business Genre Contractor, Plbg Heat AC Business Website Address clawsonheating.com Business Address, City PO box 899 – 2200-4 NW Birdsdale Ave, Grass Valley ZIP Code 97029 Business Fax 5036652375 Ratings There are no reviews yet. Please login to leave a review. Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?