Grizz's Power House Gym All Business Listings Return to Directory Grizz’s Power House Gym Listed in Fitness Club - Listings 629 N. Irwin St. 93230 559-707-0280 Claim Listing Flag ListingReturn to Directory Overview Map & Directions Contact/Other Phone 559-707-0280Listing Category Fitness Club - Listings Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?