The Best Window Installers in Simi Valley, CA

Compare the highest-rated windows professionals in Simi Valley, 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

As a branch of the national Renewal by Andersen brand, this provider offers a premium, full-service replacement window experience. They are known for their high-quality, custom-made, energy-efficient windows and their exclusive Fibrex® composite material. Their process includes in-home consultation, professional installation, and a strong warranty.

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

Specialties & Features

Custom window replacement
Energy-efficient windows
Full-frame installation

Business Information

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

Simi Valley Window & Door

4.7
(180 reviews)
Verified

A well-established local contractor with a strong reputation specifically in Simi Valley. They offer a wide range of services from repair to full replacement and work with multiple leading window brands, allowing for flexibility in style and budget. They are praised for their personalized service and local expertise.

1746 Erringer Rd, Simi Valley, CA 93065

Specialties & Features

Residential window replacement
Window repair services
New construction installation

Business Information

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

Clear Home Solutions

4.6
(150 reviews)
Verified

This company serves the entire Conejo Valley and Simi Valley area, specializing in window, door, and siding services. They have built a strong reputation for professionalism, clean installations, and expertise in energy-efficient upgrades. They offer free in-home estimates and work with quality brands like Milgard and Simonton.

They operate out of the Westlake Village/Thousand Oaks area and service Simi Valley directly.

Specialties & Features

Energy-efficient windows
Custom window solutions
Security and storm windows

Business Information

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

Why These Are the Top Windows Contractors in Simi Valley

The window service market in Simi Valley is competitive and service-oriented, reflecting the city's mix of original homes from the 1960s-1980s and newer constructions. Homeowners are increasingly focused on **energy efficiency** due to the hot summers and mild but sometimes chilly winters, driving demand for double-pane, Low-E glass replacements. The market features a blend of highly-rated local contractors and branches of large national brands, offering a range of price points from mid-range to premium. Competition is strong, which generally benefits consumers through competitive pricing and a focus on customer service. Typical pricing for a full home window replacement can vary widely but often falls between **$10,000 and $25,000+,** depending on the window quality, number of windows, and complexity of the installation. Repair services are a significant part of the market, catering to homeowners not yet ready for a full replacement.

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 Simi Valley regulations and climate

Frequently Asked Questions About Windows in Simi Valley

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

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

For a standard single-family home in Simi Valley, a full window replacement typically ranges from $10,000 to $25,000+, depending on the number and size of windows. Key cost factors include the choice of material (vinyl, fiberglass, or wood), the energy efficiency rating (crucial for our hot summers and cool nights), and any custom shapes or historical considerations for older Simi Valley neighborhoods. Labor costs are also influenced by the complexity of the installation and whether structural modifications are needed.

2How does Simi Valley's climate and local building codes affect the type of windows I should choose?

Simi Valley's hot, dry summers and mild, occasionally windy winters make high-performance, dual-pane Low-E windows essential for UV protection and thermal insulation. Local building codes, aligned with California's stringent Title 24 energy efficiency standards, require specific U-factor and Solar Heat Gain Coefficient (SHGC) ratings. Furthermore, for homes in high-fire severity zones (common in the surrounding hills), you may need to consider ember-resistant and tempered glass for added safety.

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

The ideal times are during our mild spring (March-May) and fall (September-November) seasons. This avoids the peak summer heat, which can make the installation process uncomfortable and affect sealant curing, and the occasional winter rains. Scheduling during these shoulder seasons also typically provides more installer availability and can sometimes lead to better scheduling flexibility and promotional pricing from local companies.

4What should I look for when choosing a local Simi Valley window installation company?

Prioritize companies that are licensed, bonded, and insured in California, and specifically familiar with Ventura County permit requirements. Look for established local providers with strong references in Simi Valley, as they will understand regional wind patterns and sun exposure. Always verify their manufacturer certifications (like for Andersen or Pella) and insist on a detailed, written estimate that includes all costs, product specifications, and a clear timeline.

5Do I need a permit to replace my windows in Simi Valley, and how long does the installation process usually take?

Yes, a building permit from the City of Simi Valley is generally required for full window replacements to ensure compliance with state energy and safety codes. Your installer should typically handle this. For a standard home, the physical installation itself usually takes 1-3 days, but the entire process—from measurement and ordering custom windows to permit approval and final installation—can take 6 to 12 weeks, so planning ahead is key.