Olsen Custom Building, your Pasadena Remodeling Contractor, has over 20 years of experience in custom home building. No job is too small for our home remodeling experts, and we guarantee quality in every project we complete. Our residential and commercial remodeling services include custom building, bathroom remodeling, kitchen remodeling, room additions, replacement windows and doors, siding, roofing, house framing, concrete work, and maintenance services.