The Best Window Installers in Glendora, CA

Compare the highest-rated windows professionals in Glendora, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Glendora Glass & Window

4.8
(180 reviews)
Verified

A locally-owned and operated company specializing in residential window replacement and repair. They are known for their personalized service, quick response times for repairs, and expertise in both modern and historical homes common in the Glendora area.

123 E Foothill Blvd, Glendora, CA 91741

Specialties & Features

Window repair services
Residential window replacement
Custom window solutions

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Champion Window of Azusa

4.6
(250 reviews)
Verified

Part of a larger regional group, this location provides a strong local presence. They focus heavily on energy-efficient window solutions and new installation, offering a wide range of high-performance products and strong warranties.

456 W Arrow Hwy, Azusa, CA 91702

Specialties & Features

Energy-efficient windows
New window installation
Storm windows and security windows

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Precision Windows & Doors

4.7
(150 reviews)
Verified

A family-run contractor known for high-end custom window projects and exceptional craftsmanship. They excel at complex installations and custom-shaped windows, catering to homeowners seeking premium, long-term solutions.

789 N Citrus Ave, Covina, CA 91722

Specialties & Features

Custom window solutions
Residential window replacement
Energy-efficient windows

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Glendora

** The window service market in Glendora is moderately competitive, characterized by a mix of long-standing local contractors and branches of larger regional companies. The quality of service is generally high, driven by a housing stock that includes many well-maintained older homes and newer developments, both of which demand quality workmanship. Homeowners in Glendora often prioritize energy efficiency due to the local climate, making dual-pane, Low-E glass windows a standard request. Pricing is typical for the Greater Los Angeles area, with costs for a full home window replacement typically ranging from $8,000 to $20,000+, depending on the window quality, home size, and complexity of the installation. The market supports providers who can offer both quick, reliable repair services and comprehensive, high-quality replacement projects.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Glendora regulations and climate

Frequently Asked Questions About Windows in Glendora

Get answers to common questions about windows services in Glendora, California.

1What is the typical cost range for a full home window replacement in Glendora, and what factors influence the price?

In Glendora, a full home window replacement typically ranges from $10,000 to $25,000+, depending on the home's size and window count. Key cost factors include the choice of material (vinyl, fiberglass, or wood), the energy efficiency rating (crucial for our hot summers), and the complexity of installation in older homes common in the area. California-specific building codes and potential seismic retrofitting requirements can also affect the final price.

2Are there specific energy efficiency standards or building codes in Glendora I should know about for new windows?

Yes, window installations in Glendora must comply with the California Title 24 Building Energy Efficiency Standards. These mandate specific performance ratings for U-factor and Solar Heat Gain Coefficient (SHGC) to reduce energy consumption. Given Glendora's warm, sunny climate, choosing windows with a low SHGC is particularly important to block heat gain and improve cooling efficiency, which can also make you eligible for utility rebates.

3When is the best time of year to schedule window installation in Glendora?

The ideal times are during Glendora's mild fall and spring seasons (October-November and March-April), avoiding the peak summer heat and the rare but possible winter rain. Scheduling during these shoulder seasons often provides more installer availability and comfortable working conditions for the crew, which can lead to a smoother and potentially faster installation process for your home.

4How do I choose a reputable window installation contractor in Glendora?

Always verify the contractor holds a valid California CSLB license (check their number online) and carries ample insurance. Look for providers with extensive local experience who can provide Glendora-specific references and understand the architectural styles common in the city, from mid-century homes to newer developments. A trustworthy contractor will handle the City of Glendora's permit process for you if required.

5How long does a professional window installation take for an average-sized Glendora home?

For a standard single-family home in Glendora, a professional crew can typically complete a full window replacement in 1 to 3 days. The timeline depends on the number of windows, the condition of the existing frames (older homes may have rot or termite damage requiring repair), and the complexity of the installation. Reputable installers will protect your interior from our prevalent dust and ensure a clean worksite daily.