Black Diamond Sealcoating is a well-established asphalt sealcoating company based in Portland. They specialize in providing professional services such as sealcoating, crack filling, and parking lot maintenance. With their knowledge and experience, they can handle any size job efficiently and effectively. The company is known for its commitment to customer satisfaction, offering personalized and prompt service. They use commercial-grade equipment and high-quality materials to ensure a professional result that saves customers money over the lifespan of their asphalt. Black Diamond Sealcoating is fully licensed, insured, and bonded for their service areas in Portland, Oregon, as well as the surrounding areas of the Willamette Valley, southern Washington, Hood River County (for larger jobs), and Vancouver. They have received top reviews from satisfied customers on platforms like BBB, Angie's List, Thumbtack, and Google.

For more information about their services and to see examples of their work, you can visit their website or contact them directly.