20 Best Window Companies in San Pablo, CA (2025 Reviews)
If you’re thinking of upgrading to new windows, our list of the best window installation companies can help.
We analyzed all the top-rated window companies in San Pablo and selected the best 20 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
The EcoWatch Reviews team is all about finding solutions for eco-conscious homeowners in San Pablo. If you have old or damaged windows, your HVAC system could be working extra hard to heat or cool your house. This means spending more on energy bills.
Replacement windows improve your home’s insulation, not only making you and your family more comfortable during extreme temperatures, but also saving you some money and helping the environment.
Unlike other sites, EcoWatch ranks window companies on energy efficiency while also factoring in cost, customer satisfaction and service area.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
Best Window Installation & Replacement Companies in San Pablo
The EcoWatch team researched several window installation companies across San Pablo to narrow our list down to the best ones. The companies we’ve mentioned in this article passed our review standards for energy-efficient offerings as well as customer service, local expertise, price and beyond.

Window World
EnergyStar Partner
Large serice area
Low prices relative to competitors
Great industry reputation
Lifetime warranty
Quality of service will depend on your area
Window World has windows expertise in San Pablo. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has been in the window business for around 27 years.
Window World may be the company for you if you want one that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsWindow World carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.
How much does Window World cost in San Pablo?Window World doesn’t have any prices displayed on its website, but it's known for offering some of the most affordable window installations around. You can ask for a free quote on its website for more information about pricing.

Milgard Windows & Doors
EnergyStar Partner
Wide network of installers
Lifetime warranty available
Entails hiring third-party contractors
Limited additional services
Milgard Windows & Doors has the best local installation in San Pablo. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. Milgard has been in the window business for around 60 years.
Milgard may be the company for you if you want one that offers competitive pricing, a comprehensive warranty and installers that all have a minimum of 15 years of window installation experience.
Energy Efficiency of Milgard Windows & Doors WindowsMilgard Windows & Doors carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. The company manufactures its own products, which gives it the freedom to make custom windows based on the climate. The company designs its own vinyl compounds and profiles to ensure a heat-stable product that performs as advertised.
How much does Milgard Windows & Doors cost in San Pablo?Milgard doesn’t have any prices displayed on its website, but it offers different kinds of windows at varying price points. You can ask for a free quote on its website for more information about pricing.

Renewal by Andersen
Great industry reputation
Award-winning company
Member of US Green Building Council
Manufactures products in-house
No lifetime warranty
More expensive than competition
Renewal by Andersen has the best availability in San Pablo. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has been in the window business for around 27 years.
Andersen may be the company for you if you want one that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.
How much does Renewal by Andersen cost in San Pablo?Andersen doesn’t have any prices displayed on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. You can ask for a free quote on its website for more information about pricing.
We’ve recommended companies with good reputations, but bear in mind that some national companies have independently owned locations in San Pablo, so your service may depend on your local crew. We have tried to be unbiased and transparent by listing pros and cons for every company reviewed.
More Window Companies in San Pablo
Renewal by Andersen of San Francisco
Hayward, CAFree assessment
Educational Website
Good Customer Service
Price Transparency
Services Offered
Window Replacement/Installation
Glass Doors
Bay Windows
Double-Hung
Skylights
Golden Heights Remodeling INC
Concord, CAGood Customer Service
Price Transparency
Educational Website
Free assessment
Services Offered
Bay Windows
Window Replacement/Installation
Cal Coast Window & Door
Pleasanton, CAFree assessment
Good Customer Service
Educational Website
Price Transparency
Services Offered
Bay Windows
Energy-Efficient Options
Glass Doors
Window Replacement/Installation
Mr Window Replacement
Fremont, CAGood Customer Service
Free assessment
Services Offered
Vinyl Frames
Bay Windows
Window Replacement/Installation
Quality Windows & Doors
Pleasanton, CAGood Customer Service
Free assessment
Price Transparency
Educational Website
Services Offered
Window Replacement/Installation
Glass Doors
Santa Rosa Window Tint
Santa Rosa, CAFree assessment
Educational Website
Price Transparency
Good Customer Service
Services Offered
Window Replacement/Installation
GENERAL B CONTRACTOR
San Jose, CAEducational Website
Good Customer Service
Price Transparency
Free assessment
Services Offered
Window Replacement/Installation
Window Factory
Greenbrae, CAFree assessment
Good Customer Service
Educational Website
Services Offered
Vinyl Frames
Wood Frames
Fiberglass Frames
Glass Doors
Bay Windows
Metal Frames
Window Replacement/Installation
The Glass Guru
Fairfield, CAEducational Website
Good Customer Service
Free assessment
Services Offered
Vinyl Frames
Tempered Glass
Glass Doors
Screen Repair
Fiberglass Frames
Window Replacement/Installation
Skylights
Mirrors
Triple Pane Glass
Storm/Impact Windows
Metal Frames
Glass Showers
Window Repair
Glass Repair
Wood Frames
Energy-Efficient Options
Custom Glass
Alexander Company
Burlingame, CAFree assessment
Good Customer Service
Price Transparency
Services Offered
Window Replacement/Installation
Glass Doors
Skylights
Bay Windows
Window Repair
Northwest Exteriors
Santa Rosa, CAPrice Transparency
Free assessment
Timely Service
Educational Website
Services Offered
Window Replacement/Installation
Vinyl Frames
Bay Builders and Remodeling Inc.
San Jose, CAEducational Website
Price Transparency
Free assessment
Good Customer Service
Services Offered
Window Replacement/Installation
Bay Windows
Sivan Windows and Doors - San Jose Window and Door Replacement Company
San Jose, CAEducational Website
Good Customer Service
Price Transparency
Free assessment
Services Offered
Window Replacement/Installation
Glass Doors
American Window Specialist
Campbell, CAFree assessment
Services Offered
Vinyl Frames
Bay Windows
Double-Hung
Glass Doors
Window Replacement/Installation
Window Repair
Custom Exteriors, Inc
Pleasanton, CAEducational Website
Free assessment
Price Transparency
Good Customer Service
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Bay Windows
Custom Window Designs
Glass Doors
R & M Quality Windows & Doors
Newark, CATimely Service
Good Customer Service
Price Transparency
Educational Website
Free assessment
Services Offered
Bay Windows
Glass Doors
Window Replacement/Installation
B & L Glass
Santa Rosa, CAEducational Website
Timely Service
Services Offered
Glass Showers
Skylights
Mirrors
Energy-Efficient Options
Glass Doors
Window Replacement/Installation
Glass Repair
Custom Glass
Integrity Windows & Doors
San Jose, CAGood Customer Service
Price Transparency
Services Offered
Vinyl Frames
Bay Windows
Fiberglass Frames
Metal Frames
Window Replacement/Installation
Wood Frames
Glass Doors
American Window Systems, Inc.
Napa, CAEducational Website
Good Customer Service
Free assessment
Price Transparency
Services Offered
Skylights
Window Replacement/Installation
East County Glass & Window, Inc.
Pittsburg, CAEducational Website
Services Offered
Mirrors
Bay Windows
Glass Showers
Window Replacement/Installation
Glass Doors
Calculate how much you can expect to pay for window installation and replacement in San Pablo, CA using our customized window cost calculator.
Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.
How Installing Energy-Efficient Windows in San Pablo Saves You Money
Energy-efficient windows can offer benefits in several ways. Here are a few reasons you may want to take the plunge and make the switch:
- Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help prevent your floors, carpets and furniture from fading by filtering out UV rays.
- Protect your investment: Keeping your windows up to date is an important part of maintaining your property and its value, particularly if you have an older home.
- Reduce your carbon footprint: Since energy-efficient windows improve the insulation in your house, you can cut your indirect greenhouse gas emissions by about 12%, according to Energy Star.
- Save on electricity bills: Once you install energy-efficient windows, you can expect a reduction in your bills by about 12% because you’ll need less energy to heat or cool your house.
Estimated Cost of Window Replacement in San Pablo
Each window installation company offers various services and has varying costs based on several factors.
How Much Do New Windows Cost?
Although the typical cost of replacing a single window is about $600, it can range from $200 to $1,200. This is because the cost of window installations are based on a variety of factors specific to your home, like the size, material and number of windows you need to install, as well as the location of your property.
It’s important to keep in mind that windows with higher efficiency may cost more upfront but can save you hundreds of dollars by lowering your energy bills. Investing in Energy Star certified windows can save San Pablo homeowners $579+ a year when replacing single-pane windows.
How much your window installation costs will also vary based on the kind of window material you choose for the frames. Wood windows are generally the most expensive, but it depends on whether they are solid wood or clad with aluminum or vinyl. Fiberglass windows also tend to be a bit more expensive than vinyl, but they are shown to be more efficient.
What Services do Window Installers Offer?
In general, there are two types of window installation services companies provide: full-frame and pocket installations.
Full-frame installations involve replacing the total window, including the sill, trim and frame. Full-frame installations are necessary when you want a new style or your window has considerable damage or rot. These installations are more involved and will raise the total cost. A pocket installation means replacing a window without removing the complete frame, which is generally cheaper than a full-frame installation.
If you’re still trying to decide which kind of installation you need, you can consult with your installer and get their advice. The choice mostly depends on how old the frames are and if there’s any damage present.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
How We Choose the Best Window Installers in San Pablo
In our hunt to find the most reliable, eco-friendly window installers in San Pablo, the EcoWatch team chose the above companies as the best window installation companies in the city. Along with energy efficiency, we reviewed several window installers in San Pablo and ranked them based on the following methodology:
Service Area
This one is pretty self-explanatory, but we’ve chosen to highlight window installation companies that serve a wide variety of states and cities so you can find the best window installation company near you.
Work Quality
We’re certain that you’re looking for professionals who do a great job installing windows. We’ve vetted each company on this list to ensure its contractors are well-qualified and that the company has gotten tons of positive customer feedback to vouch for its service.
Customer Reviews
Customer feedback is another super important review factor. If the majority of customers don’t have positive feedback about their service from a certain installer, you won’t see it featured on EcoWatch.
Cost
This one is a give-and-take: as with other services, cheap window companies are not going to provide the most quality service. On the other hand, we want to ensure we’re highlighting companies that provide a spectrum of price and financing options so they’re accessible to most homeowners.
Warranty
As discussed, windows are a considerable investment, so you’ll want to make sure that investment is well protected. Window installation companies that give you lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have been in the industry for quite some time. Window installation companies that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.
San Pablo, CA Window Replacement FAQs
What is the typical cost to install new windows?
The average cost of replacing one window ranges from $450 to $650. There are several factors that influence how much it costs, such as how energy-efficient the windows are, the materials used in designing the windows, your property’s location, local labor costs, styles and sizes of windows and the number of windows.
What type of window is the most energy-efficient?
Generally, double-pane windows are more efficient than single-pane windows and windows that do not open are more efficient than windows that do. To be sure you’re getting the most energy-efficient windows, look for models with the blue Energy Star certification — that means they’re certified energy-efficient by the U.S. Department of Energy.
Can I replace my own windows?
Although you can install your own windows, doing so is time-consuming and requires a lot of experience with home improvement projects. Using a window replacement company can help guarantee that the installation is done properly and that you can avoid spending the time and effort of doing it yourself.
What time of year is the best time to replace my windows?
Replacement windows can be installed any time of the year, but autumn might be the best season. No matter when you install them, the contractors will take steps to ensure that too much hot or cold air doesn’t get into the home, so the temperature outside isn’t necessarily a big factor. What’s more important than the temperature is that the weather should be dry.
Should I replace all my windows at once?
If you’re upgrading your windows to get more efficient windows, replacing all your windows together is the only way to gain that benefit. However, if you have only one or two windows that are damaged or leaky, you can replace just those.