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10 Best Window Replacement Companies in Castro Valley, CA

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Written By David Cusick

Last Updated April 2024

Replacing your windows can be rather costly, but is an excellent way to improve the energy efficiency and value of your home. In Castro Valley, where the energy bills are an average of $1,500 per year, you could be spending an extra $461 annually due to damaged or drafty windows. The Department of Energy estimates that heat gained or lost through windows could be responsible for nearly 30% of residential energy climate usage. If you can't decide between window installers, this is a great way to get started. Keep reading to find the best window installation companies in Castro Valley.

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Top 10 Best Window Replacement Companies in Castro Valley

Renewal by Andersen of San Francisco

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30806 Santana St, Hayward, CA 94544 (510) 803-3110 renewalbyandersen.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

Double-hung
Bay windows
Window replacement/installation
Glass doors
Skylights

Super Mario Glass Inc

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544 Lewelling Blvd b, San Leandro, CA 94579 (510) 324-8798 supermarioglass.net

Educational website

Timely service

Free assessment

Price transparency

Good customer service

Services Offered

Window replacement/installation
Custom glass
Glass showers
Glass doors
Bay windows
Screen repair
Window repair
Glass repair
Mirrors

Best Exteriors

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689 E 14th St, San Leandro, CA 94577 (510) 961-3697 bestexteriors.com

Free assessment

Good customer service

Price transparency

Timely service

Educational website

Services Offered

Window replacement/installation
Double-hung
Energy-efficient options
Vinyl frames
Bay windows
Fiberglass frames
Glass doors
Wood frames

Glass Doctor of The Bay Area

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773 Berry Ave, Hayward, CA 94544 (510) 264-5277 glassdoctor.com

Price transparency

Good customer service

Educational website

Services Offered

Glass repair
Window repair
Window replacement/installation
Bay windows
Energy-efficient options
Mirrors
Glass showers
Custom glass

Home Services at The Home Depot

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21787 Hesperian Blvd, Hayward, CA 94541 (510) 296-9351 homedepot.com

Educational website

Free assessment

Price transparency

Good customer service

Services Offered

Window replacement/installation
Vinyl frames
Glass showers
Glass doors
Screen repair
Storm/impact windows
Custom window designs
Bay windows

Pella Windows & Doors of Northern California

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2251 Claremont Ct, Hayward, CA 94545 (844) 537-3552 pellabranch.com

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Free assessment

Educational website

Good customer service

Services Offered

Glass doors
Double-hung
Bay windows
Wood frames
Window replacement/installation

Hansen's Window Shop

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3600 San Leandro St, Oakland, CA 94601 (510) 261-1608 hansons.com

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Price transparency

Good customer service

Services Offered

Wood frames
Double-hung
Triple pane glass
Vinyl frames
Bay windows
Glass showers
Glass doors
Window replacement/installation
Energy-efficient options

East Bay Glass

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601 50th Ave, Oakland, CA 94601 (510) 761-8736 eastbayglass.com

Price transparency

Educational website

Good customer service

Free assessment

Services Offered

Vinyl frames
Window replacement/installation
Metal frames
Glass showers
Glass repair
Bay windows

Bayside Builders Group

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1151 Harbor Bay Pkwy suite 206G, Alameda, CA 94502 (510) 901-9972 baysidebuildersgroup.com

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Good customer service

Price transparency

Educational website

Timely service

Services Offered

Glass showers
Bay windows
Energy-efficient options
Window replacement/installation

Custom Exchange Windows

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6873 Herrin Ct, Pleasanton, CA 94588 (855) 225-6999 customexchangeinc.com

Educational website

Free assessment

Timely service

Price transparency

Good customer service

Services Offered

Bay windows
Window replacement/installation
Energy-efficient options
Glass doors
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Castro Valley?

The price of window installation or replacement is influenced by several factors, including the materials you choose, the number and size of the windows, and how difficult your windows are to access or install. On average, Castro Valley homeowners will spend about $290 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

New, energy-efficient windows can substantially improve your home's noise reduction, value, comfort, appearance, and insulation. Clear indicators that it's time for window replacement include the following:

  • Cold air and drafts leaking in from old, loose-fitting windows.
  • A chilly house and high energy bills from poor window insulation.
  • Windows that are hard to open, close, and lock properly due to wear and age.
  • Condensation issues, fogging between window panes, or rotting window frames allowing moisture intrusion into the home.
  • Outdated and inefficient window styles that take away from your house's curb appeal.

How To Choose a Window Company

Hiring a qualified windows installation contractor is critical to a successful project. Below, we cover the main factors to consider when deciding which company to hire.

Experience

Make sure you choose a seasoned local installer with a long record of successfully installing and replacing windows. Companies that have served Castro Valley for years are more likely to have a deep knowledge of the local climate and local homeowners' needs. Get references from recent clients to learn more about a provider’s service.

Certifications

Choose an installer that’s certified like major window manufacturers, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Proper certification shows they've received suitable education in installation best practices. Verify that installers are staff, not subcontracted laborers, and confirm that any technicians working on your home have certification.

Reputation

Read through online feedback from past clients, check the Better Business Bureau (BBB), and request local references. Review customer feedback to make sure that the provider consistently delivers quality work and good customer service. Avoid companies that have complaints of shoddy work or unfinished jobs.

Process

A reputable window installer will be able to provide a detailed project plan, precise timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide vague quotes or schedules. Ask for regular contact throughout to avoid surprises later on.

Warranties

Look for window installers that provide guarantees on their work, and that provide warranties on materials and labor. This indicates confidence in their work. Also seek out unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Confirm that your window company offers durable, long-lasting windows and leading energy-efficient window bands that fall within your budget. Research choices with good energy ratings, design flexibility, and enhanced UV protection. Verify that the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in Castro Valley, CA

In Castro Valley, the best time to install windows is when temperatures are mild, generally during spring, winter or fall. This enables professionals to do their work with less worry about the weather.

The best type of replacement window for your Castro Valley home will depend on your home's age, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's older — so your new windows match. Wood windows can give a classic look and appearance, while vinyl windows tend to be popular in newer homes. Fiberglass-framed windows are also a popular choice, as they can be energy efficient and durable.

The types of window that generally last longest are ones made of vinyl or wood, with double glaze for extra insulation. Vinyl windows are famous for their durability and need little maintenance, and wood windows provide a more classic look. Tripling up on the glazing will help reduce energy costs over time. This is especially helpful during Castro Valley's hot summers.

The window installation process typically takes a day or two for a typical home. On the other hand, if you have many windows to install, it may take longer. Some contractors can complete the project in a single day, depending on the size of the job.

Replacing your own windows can be a complex task, especially in Castro Valley, where temperatures can get quite hot. It's generally best to hire a professional window installer. They have the knowledge and experience to ensure your windows are properly installed and that you get the most out of your investment.

Window replacement companies in Castro Valley typically offer a variety of services, including replacing windows, repair, window maintenance, cleaning, tinting, and weatherproofing.

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