The Best Window Installers in LA, CA

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

#1

Renewal by Andersen of Los Angeles & Ventura

4.8
(280 reviews)
Verified

As a branch of the national Andersen Corporation, this provider specializes in high-end, full-frame window and door replacement. They are renowned for their proprietary Fibrex® composite material, which offers superior durability and energy efficiency. They provide a full-service experience, from in-home consultation to professional installation.

2846 E Thousand Oaks Blvd, Thousand Oaks, CA 91362 (Serves the Greater LA area)

Specialties & Features

Energy-efficient windows
Custom window solutions
New window installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

The Window Source

4.7
(180 reviews)
Verified

A highly-rated local contractor known for personalized service and expertise in a wide range of window brands and types. They excel at both new construction windows and complex replacement projects in older Los Angeles homes, offering strong consultative support to help homeowners choose the best products for their needs and budget.

7232 Varna Ave, North Hollywood, CA 91605

Specialties & Features

Residential window replacement
Custom window solutions
Window repair services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Window World of Los Angeles

4.5
(150 reviews)
Verified

Part of the nation's largest window replacement company, Window World offers a value-oriented solution with a focus on affordability and quick service. They are a strong choice for standard-sized vinyl window replacements and storm windows, making energy efficiency upgrades accessible to a broader market.

1409 S Santa Fe Ave, Los Angeles, CA 90021

Specialties & Features

Energy-efficient windows
Storm windows and security windows
Residential window replacement

Business Information

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

Why These Are the Top Windows Contractors in LA

** The window service market in Los Angeles is highly competitive and diverse, catering to the city's vast range of architectural styles, from historic Craftsman bungalows to modern new-builds. The average quality of providers is high, driven by strict California building codes, a strong consumer focus on energy efficiency due to high utility costs, and the need for seismic and security considerations. **Competition Level:** Intense. The market is split between large, branded franchises (like Renewal by Andersen and Window World) and established, high-quality local contractors (like The Window Source). This competition benefits consumers through competitive pricing and a focus on customer service. **Typical Pricing:** Pricing in LA is on the higher end of the national scale. A standard vinyl double-hung window replacement can range from **$600 - $1,200 per window** including installation. High-end products like Fibrex® or custom wood windows can easily exceed **$1,500 - $2,500+ per window**. Factors influencing cost include the home's age (which may require custom sizing or additional carpentry), window material, glass options (e.g., Low-E coatings for UV protection), and the complexity of the installation.

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 LA regulations and climate

Frequently Asked Questions About Windows in LA

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

1What is the typical cost range for a full home window replacement in Los Angeles?

In Los Angeles, the cost for a full home window replacement typically ranges from $15,000 to $40,000+, depending on the home's size, window count, and material choices. Regional pricing is higher due to labor costs and the prevalence of custom work for historic or earthquake-retrofitted homes. Choosing energy-efficient windows compliant with California's Title 24 standards may have a higher upfront cost but offers significant long-term savings on cooling bills in our climate.

2How long does a professional window installation take for a standard LA home?

For a typical single-family home in LA, a full window replacement project usually takes 2 to 5 days for a professional crew. The timeline can be extended for homes in historic preservation overlay zones (HPOZs) that require special approval or for complex installations in hillside homes with difficult access. We recommend scheduling installations during LA's drier months (late spring to early fall) to avoid rare rain delays and to better manage indoor temperatures during the process.

3Are there specific permits or local regulations I need to be aware of for window installation in LA?

Yes, local regulations are crucial. Most window replacements in the City of Los Angeles require a building permit, especially if you are changing the window size or type. If your home is in a designated Historic Preservation Overlay Zone (HPOZ), you will need additional approvals to maintain architectural integrity. Furthermore, all new windows must comply with California's stringent Title 24 energy efficiency requirements to help reduce overall energy consumption.

4What should I look for when choosing a window installation contractor in Los Angeles?

Always verify that the contractor holds a valid California CSLB license (check their number online) and carries ample insurance, including workers' compensation. Look for companies with extensive local experience who can provide references from LA-area projects and who understand local codes and climate challenges. A reputable provider will also handle the permit process for you and offer products specifically rated for Southern California's heat and sun exposure.

5What are the best window features for LA's climate to improve home comfort and efficiency?

For LA's sunny, warm climate, prioritize windows with low-emissivity (Low-E) glass coatings and double-pane construction to block solar heat gain and reduce UV damage to interiors. Look for a low Solar Heat Gain Coefficient (SHGC) rating. Tinted or reflective glass can be beneficial for west-facing windows. Given our seismic activity, ensure the installation includes proper shims and anchoring to meet California's earthquake safety standards.