20th Century Contracting | Roofing Services in Long Beach, WA 98631

Absolutely. Those dark streaks are often algae growth, a common issue in our coastal climate due to moisture. We provide thorough roof cleaning services to safely remove these stains and restore your roof's appearance and health. For a more lasting solution, we can also discuss roofing materials and treatments that are more resistant to algae during your next roof replacement or installation.

As experienced general contractors, we manage the entire ADU construction process from start to finish. This includes initial planning and design consultation, securing necessary permits for Long Beach, site preparation, and construction. We specialize in both manufactured and modular home construction, offering efficient and quality-built options. With over 45 years in the business, we ensure your new structure is built to last and seamlessly integrates with your property.

Our remodeling services are comprehensive. For kitchens and bathrooms, we handle everything from the initial design and demolition to the final installation of flooring, cabinets, countertops, and fixtures. As a full-service contractor, we also manage any necessary plumbing, electrical, and structural work, including window and door replacements. We coordinate all aspects of the project with quality materials, providing you with a single point of contact and a clear, accurate estimate before any work begins.