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Window Cleaning in Contra Costa County 
At Diamond Window Cleaning, we've proudly served Contra Costa for over 40 years. Owners, Ron and Chris, believe in prompt, friendly customer service. They work hard to meet deadlines for real estate agents, homeowners and business owners, who rely on our high-quality, on-time service. You can count on us, too.
We clean more than just windows! Call us for any of your glass cleaning needs, including:
What makes us the best choice for glass cleaning? Our customers say it’s our attention to detail, strong work ethic, and friendly customer service. Your satisfaction is our top priority. That’s why we stand behind our work. If there's something you’re not completely satisfied with, we’ll come back and redo it. Guaranteed. Our highly-trained team of cleaners provide the best quality service every time. Call today for a free estimate! You won’t be disappointed. |
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Residential Window CleaningClean windows make a big difference in how your home or business looks and feels. Not only do clean windows make everything feel clean and fresh, but they also let in significantly more light than dirty windows, making your home, store or office feel lighter and brighter.
Our team is highly-trained, experienced, fast and thorough. Whether you just need windows cleaned or additional items like skylights, solar panels, glass railings or mirrors, we’re happy to help. With our process, you’ll get a lint-free, streak-free shine. We value a thorough cleaning job as much as you do, so we wipe sills and tracks as we go along. Just let us know when scheduling if your sills and tracks need extra attention. Call us today! |
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Commercial Window CleaningWe think you'll love how your windows look with regular washing service from our team. Sparkling windows make a great impression on clients!
We specialize in single-story and two-story buildings. Schedule us on an as-needed basis or put us on a regular schedule for peace of mind. Businesses often schedule us for monthly, quarterly or annual service. |
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Retail Store Window CleaningTo improve your storefront’s appeal, choose make sure you choose us to keep your shop looking fresh and clean all year long and can accommodate your schedule on the least busy hours.
Schedule a one-time service or a regular weekly, monthly or yearly visits. You won't be disappointed! |
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Full Service for Glass, Tracks & ScreensWhen you hire us to wash your windows, we do the whole job - inside, outside, and screens. In addition, we wipe up the water as we go, so your sills and tracks will get cleaner automatically. (If your sills and tracks require extra attention, let us know in advance to allow more time to clean them thoroughly.)
Screens are an important part of clean windows. The screen mesh collects more dirt than windows do. So if the screens are left unwashed, the dirt quickly redeposits back onto the glass with wind and rain. We wash all screens before installing them back over cleaned windows. We think you'll appreciate your beautiful view with clean screens. |
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Non-Toxic SolutionsWe respect your home and your health. We use non-toxic cleaning products to keep your home safe for kids and pets. Also, our team members are trained to place towels on the floor to protect your rugs and flooring. And we pull back curtains so they don’t get wet or dirty as we work.
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We Care About Your HealthWe strive to keep you and your family safe. Our workers are vaccinated and wear protective face masks when indoors to prevent air-borne disease transmission during high risk seasons. Let us know if you have special concerns or health considerations. We're happy to make adjustments.
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Privacy & SecurityYour security, privacy and information are important to us. We absolutely never share customers' personal information. Your name, address, email, entry code and phone number are secure with us.
Our team members are carefully selected and trained to meet our code in keeping your home safe and secure. Doors and gates are locked when we leave if no one is home. We sincerely value your trust in us and work to earn it on every job. Diamond Window Cleaning is licensed, bonded and insured. We're happy to provide documentation. Just let us know! |
"Chris has done an amazing job! I highly recommend this business. They were super professional and friendly." |
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Walnut Creek, CADanville, CAAlamo, CASan Ramon, CALafayette, CAOrinda, CAPleasant Hill, CAMartinez, CAConcord, CAClayton, CA |
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Ron Israel, Co-Owner, Scheduling, Estimates
(925) 788-5796 Chris Fehlman, Co-Owner, Foreman, Estimates (925) 948-6450 |
