Black Diamond Sealcoating is the leading asphalt sealcoating company in Portland, with the knowledge and experience to handle any size job. We are big enough to get the job done but small enough to provide personal, one-
We pride ourselves in our ability to accommodate any schedule for home and business owners alike. We have flexible hours to ensure we get the job done when it’s convenient for you – we strive to minimize any impact on you or your customers as often as possible.
We use commercial equipment and the industry’s best material to achieve a professional result that you can be proud of, saving thousands of dollars over the life of the asphalt.
We are a local asphalt sealcoating company located in Portland, Oregon. Our work areas cover the entire Portland metro, Tri county areas, southern Washington and Vancouver areas. We are fully licensed, insured, and bonded for these service areas.
Our Customer Promise
It is our promise to our customers to provide high quality and cost-effective parking lot or driveway repairs for your Portland home or business. Our highest priority is to strive for excellence in every job we do.
What we offer
Parking lot Striping
If you’re in need of driveway sealing services, parking lot maintenance or line striping, call Black Diamond Sealcoating. We are the top asphalt sealcoating company in Portland, and have you covered every step of the way by providing residential and commercial clients with affordable, professional asphalt recovery services.
We Offer Senior & CHURCH Discounts!
“Jeff and the crew at Black Diamond Sealcoating did an amazing job on my extensive driveway. They were on time with their service, very quality oriented, and went above and beyond my expectations. We had an unexpected thunder storm during installation that washed out part of the sealer. They came back and repaired this area ASAP without me even asking about it.”
Tod H. – A Satisfied Customer
At Black Diamond SealCoating you can guarantee prompt, professional sealcoating, crack filling and pavement marking services. We utilize the highest quality asphalt and sealcoating products on the market in addition to providing fast, efficient, and quality customer service.
SealCoating & Maintenance
Lot Striping & Maintenance
Crack Filling & SealCoating