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Trust a pro to soft wash your home or business by effectively cleaning it without damage.

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Skilled Technicians

Our technicians are skilled and use the right cleaning detergents and processes to clean your home correctly.

We are a local small business that is passionate about serving the community with our high-quality services.

Local Small Business

We care about our customers and we'll do anything it takes to make their experience with us the best it can be.

Great Customer Service


Our Most Popular Cleaning Services

Roof Cleaning

Gutter Cleaning

Window Cleaning

House Washing

5.0 out of 208 Reviews

5.0 out of 40 Reviews

5.0 out of 11 Reviews

When you hire us for any service we guarantee you will have the best experience. If for any reason you are unsatisfied with our work, even the smallest of imperfections we will come back to your property to fix any issues.

100% Satisfaction Guarantee

Why BLK Diamond Exterior Solutions?

  • Licensed and Insured
  • Family Owned and Local
  • Service both commercial and residential
  • "Soft Washing" technique to prevent damage
  • Eco-friendly detergents
  • Surfaces: Siding, stone, soffits, patios & concrete
  • Flat Surfaces: Decks, parking lots, dumpster pads and more!
  • Roof Cleaning: We use a soft wash method to remove dirt and algae from shingles, roof tiles, slate and metal roofing
Get a Free Custom Quote
Call Now: (206) 240-7725

The Soft Washing Experts

Soft Washing Techniques to safely clean your home or business

  • Our soft wash technique prevents water from getting behind siding or damaging its delicate surfaces.
  • The soft wash method is safe (and efficient) for cleaning vinyl siding, stucco and bricks.
  • The pressure is as soft as your shower.
  • Combined with our specially formulated detergent, the job will get done right!

Our Roof Cleaning process is gentle and safe, while strong enough to remove moss, algae (black stains), and environmental dirt without damaging your roof.

  • We never use high pressure water on the roof, but our softwash process makes it look new again!
  • The black streaks are gone the same day and the moss and lichens are killed in the process.

Soft Washing Houses and Roofs for the Safest Clean Possible!

Industry Leading Technology for House Washing and Roof Cleaning

Want Your Property to Look New Again?

Get a FREE Estimate to Soft Wash Your Property Today!

Get a Free Quote
Call Now: (206) 240-7725

Happy Customers!

We’ve used BLK Diamond for two years now. Bogden is responsive, professional, friendly, and does a great job. Thanks Bogden!

Bogdan and his team are top notch. Professional, friendly, and efficient. The estimate is what the job cost. No surprises! Accommodating with my schedule and on time. Highly recommend BLK Diamond!

Bogdan arrived on time, was polite, very professional, thorough and efficient. He was determined to help with every single spot on our windows and our house has never looked better.

Nina R.

Jaime P.

Sean M.

Dirt and mold take away from the curb appeal of your property making it look old and dingy.

Get a FREE estimate today to pressure wash your property!

Get a Free Quote
Call Now: (206) 240-7725

We service Tacoma, Federal Way, Auburn, Maple Valley, Renton and the surrounding area.

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