Black Diamond Sealcoating is one of the leading asphalt sealcoating companies in Portland, with the knowledge and experience to handle any size job. We are big enough to handle any sized job but also small enough to provide personal, one-on-one service, and that is important.
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 maintenance company located in Portland, Oregon. Our work areas cover the entire Portland metro, Willamette Valley, southern Washington, Hood River County (larger jobs) and Vancouver areas. We are fully licensed, insured, and bonded for these service areas.
Our Commitment to Our Customers
At Black Diamond Sealcoating you can guarantee prompt communication, and service, including 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 top quality customer service. Black Diamond Sealcoating strives to build and keep an open, honest and lasting relationship with every customer, we want to earn your business for life.
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 our services and products offer
Black Diamond Sealcoating offers professional residential and commercial asphalt maintenance services including crack filling, sealcoating, asphalt repairs, and line striping and pavement marking services for your parking lot, home driveway, roadway or industrial lot, Browse our site to learn more about the asphalt maintenance and services we provide, then contact us for a free no hassle bid.
Residential & Commercial SealCoating
Parking Lot Striping
- ADA compliance
- Helps your lot communicate better
- Efficient traffic and pedestrian flow
- More visible in bad weather or winter time
- Stenciling/curb painting
- Arrows, specialty items (Electric vehicle, etc.)
If you’re in need of driveway sealing services, parking lot maintenance or line striping, call Black Diamond Sealcoating. We have you covered every step of the way by providing residential and commercial clients with affordable, professional asphalt maintenance services.
We service the entire Portland metro, Willamette Valley, southern Washington, Hood River County areas (Large jobs) and Vancouver areas and will soon service areas in the state of Washington as well. Our services include: driveway sealcoating, parking lot sealing, hot crack sealing and pavement markings.
Our Customer Promise
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