23 Best Window Replacement Companies in San Lorenzo, CA (2023 Reviews)
Window Companies Near Me
Are you looking to replace your windows? Our guide to the best window installation companies can help you choose the right one for you.
We analyzed all the top window installers in San Lorenzo and selected the top 23 based on:
-
Customer reviews
-
Window replacement expertise
-
Popularity with home-owners like you
Please enter a valid 5-digit zip code!

Updated March 14, 2023
Why you can trust EcoWatch
The EcoWatch team is all about helping San Lorenzo homeowners find eco-conscious solutions for their homes. When it's the middle of summer, your old and drafty windows could be making your home more difficult to cool and costing you more in power bills.
Installing efficient windows on your home can help you save money each month on your energy bills — and you can help the environment as well.
Unlike other sites, EcoWatch ranks window installation companies on energy efficiency while also balancing cost, customer satisfaction and service area.
Best Affordability
Window World
- Large serice area
- Low prices relative to competitors
- Great industry reputation
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Award-winning company
- Member of US Green Building Council
- More expensive than competition
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Entails hiring third-party contractors
Best Window Replacement Companies in San Lorenzo
The EcoWatch Reviews team evaluated dozens of providers that serve the San Lorenzo area to find the best window installation companies that fit our standards. We assessed the installers on their energy-efficient offerings, coverage area, customer service, local experience, price and more.

Window World
-
Large serice area
-
Low prices relative to competitors
-
Great industry reputation
-
Quality of service will depend on your area
Window World offers windows expertise in San Lorenzo. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been operating since 1995 and currently provides services to 200 locations nationwide.
It 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's commitment to sustainability shows in its energy-efficient window offerings. 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 Lorenzo?Window World does not detail prices on its website, but it's known for offering some of the most affordable window installations around. Receiving a free quote on its website is the best way to get more accurate pricing information.

Renewal by Andersen
-
Great industry reputation
-
Award-winning company
-
Member of US Green Building Council
-
More expensive than competition
Renewal by Andersen has the best availability in San Lorenzo. Andersen has about 27 years of experience in the window installation business. The company has a lot of glowing reviews from customers on online review websites.
If you're looking for a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started, this may be the provider for you.
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 ask for 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 Lorenzo?Andersen doesn't have any cost information available 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 inquire about a free quote on its website for more information about the cost.

Milgard Windows & Doors
-
EnergyStar Partner
-
Wide network of installers
-
Lifetime warranty available
-
Entails hiring third-party contractors
Milgard Windows & Doors provides the best local installation in San Lorenzo. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. Milgard has been in the window industry for around 60 years. Many positive reviews on customer review websites back the provider's reputation.
It has established itself as a company 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 WindowsThere are a wide variety of window types available from Milgard Windows & Doors, some of which are Energy Star products. 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 Lorenzo?Milgard does not detail prices on its website, but it offers different kinds of windows at varying price points. If you'd like to know for sure, you can get a quote on the company's website.

Universal Windows Direct
-
Makes charitable contributions
-
Manufactures products in-house
-
Wide variety of products and services
-
Lifetime warranty
-
Limited service area
-
Some installations carried out by third-party contractors
-
Quality of service will depend on your area
Universal Windows Direct offers the best warranty in San Lorenzo. This window installation company has been in business since 2002 and currently services 27 states nationwide. Hundreds of positive reviews on customer review websites back the provider's reputation.
It has established itself as a company that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsThere are a wide range of window types that Universal Windows Direct offers, some of which are Energy Star products. The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.
How much does Universal Windows Direct cost in San Lorenzo?Universal doesn't have any cost information listed on its website, but installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. For more detailed information on pricing, you can ask for a quote from the company.
We aim to be unbiased and transparent by including pros and cons for each company. Additionally, any partnerships do not influence our rankings.
More Window Replacement Companies in San Lorenzo
The Glass Guru
Antioch, CA-
No-fee Quotes
-
Locally Recognized for Quality
-
Price Transparency
-
Helps Educate Customers
Services Offered
-
Glass Showers
-
Tempered Glass
-
Custom Window Designs
-
Aluminum Window Frames
-
Full-Service Installations
-
Business Windows
-
Double-Hung
-
Sliding Glass
Renewal by Andersen of San Francisco
Hayward, CA-
Consistent Workmanship
-
Reliable Appointment Windows
-
No-Hassle Pricing
-
No-fee Quotes
Services Offered
-
Custom Window Designs
-
Business Windows
-
Double-Hung
-
Stained Glass
-
Sliding Glass
-
Bay Windows
Quality First Home Improvement, Inc.
Campbell, CA-
Price Transparency
-
Timely Service
-
Consistent Workmanship
-
Good Customer Service
Services Offered
-
Residential Windows
-
Glass Showers
-
Energy-Efficient Options
-
Custom Windows
-
Double-Hung
-
Sliding Glass
Global Glass Enterprise Inc.
San Jose, CA-
Price Transparency
-
Educational Website
-
Good Customer Service
-
Consistent Workmanship
Services Offered
-
Residential Windows
-
Architectural Glass
-
Energy-Efficient Options
-
Tempered Glass
-
Custom Windows
-
Aluminum Window Frames
-
Business Windows
-
Double-Hung
-
Sliding Glass
Window Replacement San Leandro
San Leandro, CA-
No-Hassle Pricing
-
Educational Website
-
Reliable Service
-
Good Customer Service
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Bay Windows
Best Exteriors
San Leandro, CA-
Dependable Service
-
Educational Website
-
Excellent Customer Service
-
Timely Service
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Window Replacement Berkeley
Berkeley, CA-
Educational Website
-
Excellent Customer Service
-
Reliable Appointment Windows
-
Consistent Workmanship
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Windows
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Best Exteriors
Oakland, CA-
No-Hassle Pricing
-
No-fee Quotes
-
Good Customer Service
-
Timely Service
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Windows
-
Double-Hung
-
Sliding Glass
-
Bay Windows
Window Replacement Vallejo
Vallejo, CA-
Excellent Customer Service
-
Helps Educate Customers
-
Free Quotes
-
Price Transparency
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Window Replacement Dublin
Dublin, CA-
Reliable Service
-
Educational Website
-
Arrives on Time
-
Good Customer Service
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Windows
-
Double-Hung
-
Sliding Glass
-
Bay Windows
Window Replacement Livermore
Livermore, CA-
Arrives on Time
-
Excellent Customer Service
-
Consistent Workmanship
-
Free Quotes
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Windows
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Window Replacement Pleasanton
Pleasanton, CA-
Free Quotes
-
Price Transparency
-
Helps Educate Customers
-
Consistent Workmanship
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Windows
-
Double-Hung
-
Sliding Glass
-
Bay Windows
Window Replacement San Francisco
San Francisco, CA-
Price Transparency
-
Educational Website
-
Good Customer Service
-
Dependable Service
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Windows
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Window Replacement Oakland
Oakland, CA-
Dependable Service
-
No-fee Quotes
-
Helps Educate Customers
-
Reliable Appointment Windows
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Window Replacement Alameda
Alameda, CA-
Helps Educate Customers
-
Good Customer Service
-
No-fee Quotes
-
No-Hassle Pricing
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Window Replacement Redwood City
Pleasanton, CA-
Reliable Service
-
Price Transparency
-
Free Quotes
-
Arrives on Time
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Windows
-
Double-Hung
-
Sliding Glass
-
Bay Windows
Roxy Glass
Morton Ave, CA-
Excellent Customer Service
-
Educational Website
-
Free Quotes
-
Price Transparency
Services Offered
-
Residential Windows
-
Glass Showers
-
Energy-Efficient Options
-
Tempered Glass
-
Custom Windows
-
Aluminum Window Frames
-
Commercial Windows
-
Double-Hung
-
Sliding Glass
Window Replacement Fremont
Fremont, CA-
Price Transparency
-
Educational Website
-
Consistent Workmanship
-
Arrives on Time
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Bay Windows
Window Replacement Walnut Creek
Walnut Creek, CA-
Timely Service
-
Excellent Customer Service
-
Free Quotes
-
Helps Educate Customers
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Window Replacement Concord
Concord, CA-
Arrives on Time
-
Free Quotes
-
Excellent Customer Service
-
Reliable Service
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Windows
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Window Replacement Union City
Union City, CA-
Reliable Service
-
Price Transparency
-
Reliable Appointment Windows
-
No-fee Quotes
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Window Replacement San Mateo
San Mateo, CA-
Helps Educate Customers
-
Price Transparency
-
Excellent Customer Service
-
Consistent Workmanship
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
Best Exteriors
Oakland, CA-
Timely Service
-
Excellent Customer Service
-
No-fee Quotes
-
No-Hassle Pricing
Services Offered
-
Architectural Glass
-
Fast Delivery
-
Custom Windows
-
Double-Hung
-
Sliding Glass
-
Bay & Bow Windows
How Installing Energy-Efficient Windows in San Lorenzo Saves You Money
By switching to energy-efficient windows, you and your family can benefit in several ways, such as:
- Save money on electricity bills: After you switch to energy-efficient windows, you can expect a reduction in your bills by about 12% since you'll use less energy to heat or cool your house.
- Decrease your carbon footprint: In San Lorenzo, you can cut your indirect greenhouse gas emissions by about 117 pounds per year once you install energy-efficient windows.
- Protect your investment: When you have an older home, your windows could also be outdated or damaged. Upgrading and repairing your windows is an important part of maintaining your property and its value.
- Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
Estimated Cost of Window Replacement in San Lorenzo
Windows come in varying purposes, shapes and styles, so costs and services will differ greatly depending on several factors. Below, we go over the typical cost and services that you'll find from window installers.
How Much Do New Windows Cost?
The typical cost to replace one window is about $600 but can range from $200 to $1,200. But costs differ considerably based on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also provide door replacements, which will make your project cost more.
Whether or not you opt for energy-efficient windows is another factor that will determine the cost. These will almost always cost more than other windows, but on the other hand, you can save about $531 a year on your energy bills in San Lorenzo.
Another factor that affects the total cost is the material of the frame you choose. Aluminum frames are generally the least pricey and are sturdy and relatively maintenance-free, but they provide poor insulation. On the other hand, wood frames are the most expensive, as they are aesthetically pleasing and provide decent insulation. Fiberglass and vinyl frames provide good insulation and cost somewhere between the other two.
What Services do Window Installers Offer?
The first question to ask yourself when planning on installing new windows is: Should you get a full-frame installation or a pocket installation?
A full-frame installation replaces the full window, such as the windowsill, frame, trim and the window panes. Because this kind of installation is more involved, it will cost more than a pocket installation. Pocket installations (also known as retrofits) are when you replace a window within its existing frame. Pocket installations are simpler and will be less expensive, but you can't do this kind of installment if you have any pre-existing rot or water damage.
Your window installation company will be able to recommend the best type for your project. In San Lorenzo, the choice will mostly depend on the efficiency of your home and how old your existing frames are.
Best Affordability
Window World
- Large serice area
- Low prices relative to competitors
- Great industry reputation
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Award-winning company
- Member of US Green Building Council
- More expensive than competition
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Entails hiring third-party contractors
How We Choose the Best Window Installers in San Lorenzo
In our hunt to find the most reliable, eco-friendly window installers in San Lorenzo, the EcoWatch Reviews team chose the above companies as the top window installation companies in the city. Along with energy efficiency, we analyzed each installer and assigned rankings based on the following methodology:
Service Area
Since this is a guide for San Lorenzo, we paid more attention to companies that serve the city. There are certainly other reputable providers that didn't make the cut because of the low odds that they would serve the average homeowner in San Lorenzo.
Work Quality
When choosing new windows, the quality and range of services can often play just as important of a role in insulation and performance as the brand of window you choose. We do rate window installers higher if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.
Customer Reviews
We analyzed patterns in recent customer feedback to determine the companies with the most consistent customer satisfaction. Customer satisfaction might be the factor we place the most value on, as it reflects the quality of services across nearly every category, including warranty, quality of parts, cost, quality of installation, professionalism and more.
Cost
This one is a give-and-take: as with most services, cheap window installers won't always provide the most quality service. Still, 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 sizable investment, so you'll want to be certain that investment is protected. Window installation companies with lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have a good track record in the industry. Window installation companies that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.
San Lorenzo, CA Window Replacement FAQs
How much should window installation cost?
The national average cost of replacing a window is about $600 but can range between $200 and $1,200, depending on several factors. The price is often dependent on the size of the window, the type and material of the window and the location of your property. Also, remember that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.
Which kind of window is the best?
A window's energy efficiency depends on a number of factors, such as the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are typically the most energy-efficient since they are certified by the U.S. Department of Energy.
When do I have to use a window installation company?
Unless you have experience with home improvement projects and have all of the necessary tools to replace your own windows, we recommend hiring a professional. The window installation process is complicated and can take anywhere from four to six hours for a single window. Although it's tempting to try to do it yourself to save money, hiring a company is a faster, more efficient and much safer option.
How long does window installation generally take?
Because the average installation time is 30 minutes per window, around 16 windows can be installed during an 8-hour work day.
When is it time to replace your windows?
Windows typically have a lifespan of about 20 to 30 years, but anytime you notice damage on your windows, it's a good time to have them looked at by an expert to see if they are in need of a repair or replacement.