The Best Window Installers in Thousand Oaks, CA

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

#1

Renewal by Andersen of Westlake Village

4.8
(250 reviews)
Verified

A highly-rated, locally-operated branch of the national Renewal by Andersen brand. They specialize in premium, custom-built, energy-efficient replacement windows and doors. Known for a full-service approach from consultation to professional installation, using their own proprietary Fibrex® composite material.

2717 E Thousand Oaks Blvd #200, Thousand Oaks, CA 91362

Specialties & Features

Energy-efficient windows
Custom window solutions
Full-window replacement

Business Information

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

California Window & Door

4.7
(180 reviews)
Verified

A well-established local company with a strong reputation for high-quality window and door installation and replacement. They offer a wide range of products from leading manufacturers and are praised for their professional installation crews and excellent customer service.

2840 E Thousand Oaks Blvd, Thousand Oaks, CA 91362

Specialties & Features

Residential window replacement
New window installation
Custom window solutions

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Window Repair Specialists Inc.

4.9
(90 reviews)
Verified

While they serve a broader area, this company has a significant number of reviews from Thousand Oaks residents and specializes specifically in repair services, which is a key differentiator. They are an excellent option for homeowners who need repairs, restoration, or who may not require a full replacement.

(Serves Thousand Oaks from a regional base)

Specialties & Features

Window repair services
Storm windows and security windows
Hardware replacement

Business Information

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

Why These Are the Top Windows Contractors in Thousand Oaks

The window service market in Thousand Oaks is characterized by high-quality, service-oriented providers catering to an affluent community with a mix of modern and older homes. Homeowners in the area show a strong preference for energy-efficient and custom solutions to improve home comfort and reduce utility costs, especially given the local climate. Competition is robust among a handful of established local companies and branded franchises, ensuring high service standards. Typical pricing for window replacement in this market is at a premium level, reflecting the quality of products and the expertise of the installers. Full-window replacement projects for an average home often range from $10,000 to $30,000+, depending on the window quantity, materials (e.g., vinyl, fiberglass, composite), and energy-efficiency features selected.

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 Thousand Oaks regulations and climate

Frequently Asked Questions About Windows in Thousand Oaks

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

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

In Thousand Oaks, a full home window replacement typically ranges from $15,000 to $40,000+, depending on the home's size and window count. Key cost factors include the choice between vinyl (more affordable) and fiberglass or wood-clad (premium) windows, the complexity of installations in older homes, and compliance with California's stringent Title 24 energy efficiency standards. Prices also reflect local labor costs and the need for high-performance glass to handle our sunny climate and Santa Ana winds.

2Are there specific permits required for window installation in Thousand Oaks, and does my contractor handle that?

Yes, the City of Thousand Oaks typically requires a building permit for window replacements, especially if the window opening is being altered. A reputable local contractor will always pull the necessary permits on your behalf, ensuring the installation meets current California Building Code (CBC) and energy codes. This is crucial for your home's safety, legality, and resale value, and protects you from potential fines.

3How does the Thousand Oaks climate influence the type of windows I should choose?

Our local climate demands windows with excellent solar heat gain control and durability. For Thousand Oaks' hot, sunny summers, look for dual-pane Low-E glass with a low Solar Heat Gain Coefficient (SHGC) to reduce heat entry and cooling costs. Given the potential for high winds and wildfire risk in surrounding areas, consider impact-resistant options and frames (like fiberglass or clad-wood) that withstand thermal expansion and ember exposure better than basic vinyl.

4What is the best time of year to schedule a window installation in Thousand Oaks, and how long does the project usually take?

The ideal time is during our mild, dry fall (September-November) or spring (March-May), avoiding summer heat and winter rain for crew comfort and home exposure. For a full-home replacement, expect the project to take 3-7 days, depending on the number of windows and any unforeseen structural issues common in older Conejo Valley homes. Reputable companies provide a detailed timeline and will work to minimize disruption.

5What should I look for when choosing a window installation contractor in the Conejo Valley?

Prioritize contractors who are licensed (check their CSLB number), insured, and have extensive local experience in Thousand Oaks. They should understand local aesthetic guidelines (like those for historic areas) and microclimates. Ask for references from recent projects in the area, verify they handle permitting, and ensure they offer strong warranties on both product and labor. Avoid companies that only offer the lowest bid without detailed, localized explanations.