Serving San Juan Island, Whatcom County, Skagit County, and the Seattle, WA area. Hammer Roofing specializes in roofing installations and repairs, as well as gutters, siding, and painting. 5-year warranty on our competitively priced labor. Multi-service discounts. Responsible, on-time work. 24/7 emergency storm damage services. Call now to request a free estimate.