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TRUSTED BY BLACK DIAMOND, WA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon540
    Verified window cleaning services reviews

Top-Rated Window cleaners in Black Diamond - Updated Nov 2026

Avatar for Zamora's Window
Zamora's Window
5.0(
26
)
Window CleaningWindow Cleaning - For Business

Serving Black Diamond, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Small jobs welcome

"Did a great job! Punctual, had a complete array of equipment, very thorough, hard workers who cared about their work. They were not deterred even in the steady rain. Everything sparkled, super clean including all of the windows."
Additional Photos
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+69

Response time2 days
Response rate100%
3 neighbors recently requested a quote
Avatar for Artisan Window & Gutter
Artisan Window & Gutter
4.9(
82
)
Window Cleaning

Serving Black Diamond, WA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Work was excellent. The team arrived within the time window specified. They brought all the tools they needed for the job (including high extension ladder to reach 3rd story windows). My windows are now sparkling and the patio and garden paths have never been cleaner. They also cleaned the plexiglass roof over the patio."
Additional Photos
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+39

Response time1 day
2 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Interstate Mobile Wash
Interstate Mobile Wash
5.0(
5
)
Window CleaningWindow Cleaning - For Business

Serving Black Diamond, WA and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"I tried Intestate because they had great reviews. He was running a little late but communicated to me to let me know what time he would be there. James was very efficient and fast. He also used special wash that repelled dust and debris. My windows look amazingly clean. It was inexpensive and professionally done. James was very pleasant to talk with too."
Response time3 hrs
Response rate85%
6 neighbors recently requested a quote
Avatar for Morris Pressure Washing
Morris Pressure Washing
4.9(
6
)
Window Cleaning

Serving Black Diamond, WA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Arrived on time. Reasonably priced, Removed moss from my roof and cleaned gutters. Cleaned up all debris from around the site. He did exactly what he said he would do. Explained any issues that may need watching. Also friendly and easy to understand."
Moss Removal
Gutter Whitening
Brick Wash
Moss Removal
Gutter Clean Out

+46

Recommended by100%of homeowners
Avatar for Royal Janitorial Services, LLC
Royal Janitorial Services, LLC
4.3(
5
)
Window Cleaning - For Business

Serving Black Diamond, WA and surrounding areas

Approved

In business since 1990

Free estimates

Small jobs welcome

"polite honest. gets right to work. 4.5 only that I would of liked if he had offered a way to remove the stains a bit more. let some solution sit on them for 24 hours after scrubbed possibly. then clean them next day. or a better solution to the stains than, a few cleanings over the next year. other wise good job done. thank you."
Building cleaning
We polish all Retail and Commercial floors
We polish all retail and commercial floors.
Post-Remodel Clean-up
Post-Remodel Clean-up

+12

Response time1 day
Response rate87%
Recommended by75%of homeowners
Avatar for LMC Window Wash
LMC Window Wash
New to Angi
Window Cleaning

Serving Black Diamond, WA and surrounding areas

Approved

Hello, my name is Uriel. I run a local window cleaning business offering window washing, gutter cleanouts, roof cleaning, and pressure washing. I’m currently a college student at Pierce College, and I use this business to help support myself through school. I take pride in my work and always try to provide reliable, quality service. Feel free to reach out if you need any of these services I’d be happy to help!

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Window Cleaning FAQs, answered by experts

The simplest way to clean stained glass windows is by using warm distilled water and a damp cloth. Distilled water won’t corrode the stained glass or leave residue behind. Avoid using cleaners with alcohol or ammonia. However, you should only clean when necessary. Stained glass windows are fragile, and excessive cleaning could cause fading, weakening of the solder, or other damage.

Yes, you can create a solution of dish soap and hot water to create a cleaning solution. You’ll want to mix about one to two drops of dish soap for every 8 ounces of hot water. If you use too much soap, it’ll create too many suds and make it harder to effectively wash away.

Yes, many professional companies offer high-rise window cleaning using specialized equipment and safety harnesses.

At least twice a year, but frequency depends on location and exposure to elements.

Unless it’s written into the purchase agreement, there’s no legal obligation that a house you’ve bought has to be clean before you move in. The previous owner is generally required to sweep the house, but that doesn’t guarantee everything will be spotless upon your arrival. If possible, discuss the cleaning requirements with the real estate company before moving in.

The Black Diamond, WA homeowners’ guide to window cleaning services

From average costs to expert advice, get all the answers you need to get your job done.