Hours Of Operations American Building California Signal Hill 90755 American Building Hours of Operation and Location in Signal Hill, CA 90755 4.3 - 129 votes 2675 Junipero Ave, Unit 300, Signal Hill, CA 90755 (866) 351-0159 Get Directions American Building Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore Signal HillView More Apparel CostcoRoss Dress for LessH & MCoachExpress Sports CostcoTargetVansBlades Jewelry Costco Recommend For You Blades Boats Carpet & Upholstery Cleaning Carpet, Upholstery & Air Duct Cleaners Carpet, Upholstery, Rugs & Air Duct Cleaners Flooring America Gem Stores Incorporated Golden Doors The Home Depot Installation Services Costco Pharmacy Image First