Commercial Window Cleaning

The best
Company in
the City!

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Insured
General Liability and workers compensation.
Quality Work
We are committed to ensure that you receive the best window cleaning and pressure washing services in the entire Bay Area.
Licensed
Lic# 70141

Get a same day 3 step quotation

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Photograph all sides of your property - exterior only
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Text your info and pictures to (408) 887-0464
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We will reply within 24 hours with your quote!

Our Service

Professional Cleaning
for Residences and
commercials

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Professional Window Cleaning Services

Professional Window Cleaning Services make the windows of your home or business sparkle like diamonds. We use traditional or pure water system, in addition to sophisticated cleaning products and the most advanced window cleaning techniques. Save your time and worries, book our Window Washing Services twice a year and get a 10% discount on any packages of 2 services combined.
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Exterior Cleaning Services

We Specialize in Residential and Commercial Pressure Washing, outdoor areas are prone to dirt, moss and algae build-up, so our external cleaning services use high-pressure jets and professional brushes to leave all surfaces shiny as diamonds.
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Window Washing Company in my area

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Diamonds Window Cleaning we care about the satisfaction of our customers. Hiring a professional window cleaning company saves you a lot of time for other things to enjoy. Bright, clean windows can make your home or business stand out from the rest; professional, streak-free results guarantee your satisfaction.

Our Happy Customers

Very pleased with the service that Diamond's Window Cleaning Provided. They came out to clean all of the house windows, tracks and screens as well as our roof and rain gutters. They were very responsive with an estimate (even on a holiday) and arrived with full PPE in light of COVID-19. My windows are old and they still managed to get them sparkling clean! Thank you Stephanie and team, will definitely call you for the next cleaning!

Debbie Graham

We live your service. You are always prompt and the job gets done quickly and the windows look great! Joshua is always professional and friendly. Thank you so much!

Sharon Costa

Top notch service and very nice online job status keeping you apprised as soon as the job is scheduled. From the estimate that Stephanie quoted to the end of the job done by the window cleaning crew, everyone was punctual, professional, informative, detailed and efficient. I highly recommend Diamond's!

Paul Wong

Very pleased with the service that Diamond's Window Cleaning Provided. They came out to clean all of the house windows, tracks and screens as well as our roof and rain gutters. They were very responsive with an estimate (even on a holiday) and arrived with full PPE in light of COVID-19. My windows are old and they still managed to get them sparkling clean! Thank you Stephanie and team, will definitely call you for the next cleaning!

Debbie Graham

We live your service. You are always prompt and the job gets done quickly and the windows look great! Joshua is always professional and friendly. Thank you so much!

Sharon Costa

Top notch service and very nice online job status keeping you apprised as soon as the job is scheduled. From the estimate that Stephanie quoted to the end of the job done by the window cleaning crew, everyone was punctual, professional, informative, detailed and efficient. I highly recommend Diamond's!

Paul Wong

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