John works throughout the bay area, which includes Pleasanton, Livermore, Sunol, Dublin, Danville, San Ramon, Walnut Creek, Oakland, Alameda and Berkeley to name a few. Hagenbach Construction has a strong focus in new residential construction, room additions, kitchen and bathroom remodels, multi room remodels, stairway systems, custom cabinetry, and replacing and installing flooring, windows and doors.