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TRUSTED BY DISCOVERY BAY, CA HOMEOWNERS

  • Average homeowner rating star icon4.1
    Average homeowner rating
  • Verified reviews icon137
    Verified window services reviews

Top-Rated Window pros in Discovery Bay - Updated Nov 2026

California Window & Exteriors, Inc.
4.7(
276
)
New Windows - 6 +New Windows - 3-5New Windows - 2+1 more

Serving Discovery Bay, CA and surrounding areas

Approved

In business since 2003

Free estimates

Customers say: True professional

"The owner Jeff is amazing. His company did unbelievable work. They were efficient and clean. They were very price competitive. We could not be happier with our new windows and sliding glass door. Thanks for a great experience!"
Response time7 hrs
98 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for RT Cleaning Maintenance
RT Cleaning Maintenance
4.8(
16
)
Window Cleaning

Serving Discovery Bay, CA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

Looking for sparkling clean windows? Look no further! RT Cleaning Maintenance is your go-to window cleaning service in the San Francisco Bay Area. Our team of experts will leave your windows crystal clear and streak-free. Contact us today for a brighter, more beautiful home!

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+5

Recommended by69%of homeowners
Avatar for Best Exteriors Construction Inc
Best Exteriors Construction Inc
4.8(
16
)
New Windows - 3-5New Windows - 6 +New Window - Single+2 more

Serving Discovery Bay, CA and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"They did an excellent job and I highly recommend them for window replacement work. Gary Chern provided a very clear presentation of the company and the windows they offer with various options. Larry Khimich was very communicative with the details of the scope of work and their crew did an excellent job. They damaged one lawn decoration that we discovered later and they provided payment for replacement of the decoration. Mistakes happen and they made good on the damage. They did the work in October and it is now the end of March. No problems and we are very happy with our new windows!"
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+112

Response time12 hrs
Response rate100%
8 neighbors recently requested a quote
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Windows FAQs, answered by experts

Installing energy-efficient windows costs between $325 and $2,000, averaging about $400 per window. You’ll have to consider cost factors like the window’s size, frame material, and type. Labor costs in your area will also impact the overall cost of the project, with window installation professionals charging about $40 per hour on average. Different types of energy-efficient windows include:

  • Single-hung: $150–$2,500

  • Casement: $150–$600

  • Double-hung: $250–$3,000

  • Picture: $200–$650

  • Bay: $480–$1,920

Using plastic shrink film over the window will cut down on drafts, which makes the air inside your home feel warmer. Plastic shrink film doesn’t quite have the insulative properties of a new window or of adding insulation inside the window jamb, but it will help. Plus, it’s a cost-effective solution to keeping your home warmer.

Yes, you can enlarge windows in a brick house. Your masonry contractor will need to cut away exterior brick to make space for the larger window, and you may also need to consult a structural engineer to make sure the window is properly supported inside the frame of the house.

Options include interior, exterior, and double-pane storm windows. Choose based on needs and preferences.

The best way to clean outside windows is by using a garden hose. Start by spraying the windows with a high-pressure stream to clear off loose dirt and grime. Then use a mixture of hot water and dish soap and scrub the windows with a sponge. Rinse off the soapy water with the hose. Before you finish up, spray the windows with a solution of vinegar and water and wipe them down with a microfiber cloth.

The Discovery Bay, CA homeowners’ guide to window services

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