Compare the highest-rated windows professionals in Los Altos, California. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly specialized, family-owned business focusing exclusively on windows and doors. They are renowned for their consultative approach, high-quality product selection (including Marvin and Andersen), and meticulous installation process. They cater to the high-end residential market common in Los Altos.
As the local branch of a national brand, they offer the strength of a large corporation with the focus of a local contractor. They are a full-service provider, handling everything from in-home consultation to manufacturing and installation of their proprietary, high-performance windows.
A well-established local contractor known for a wide range of services from basic repairs to full-scale replacements. They work with multiple top-tier manufacturers to provide options for various budgets and architectural styles, from historic homes to modern builds.
** The window service market in Los Altos is characterized by high demand for quality, customization, and energy efficiency, reflecting the city's affluent demographics and its mix of mid-century modern and newer, high-value homes. The competition is strong among established, premium contractors. There are few, if any, low-budget providers operating successfully within the city limits itself. Homeowners in Los Altos typically prioritize long-term value, superior materials (e.g., fiberglass, composite, or high-end vinyl), and professional installation over initial cost savings. As a result, typical pricing for a full home window replacement is on the high end of the national scale, often ranging from $15,000 to $40,000+ depending on the home size, window quality, and level of customization required. The top providers are distinguished by their certifications, manufacturer partnerships, and proven track records of handling complex projects in this specific market.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Los Altos regulations and climate
Get answers to common questions about windows services in Los Altos, California.
For a standard-sized single-family home in Los Altos, a full window replacement typically ranges from $15,000 to $40,000+, depending on the number of windows, materials (vinyl, fiberglass, or wood), and energy efficiency features. Prices are often higher here due to the prevalence of custom-sized windows in older homes, the high cost of living, and strict local building codes that may require specific engineering or historic preservation considerations. Investing in high-performance, dual-pane windows with Low-E coatings is highly recommended for our Mediterranean climate to manage heat gain and improve home comfort year-round.
Yes, Los Altos has specific regulations, especially if your home is in a historic district or is of a certain age. A building permit is almost always required for window replacements that alter the framing, and the city's design guidelines often regulate the style, color, and material to maintain neighborhood character. Furthermore, all installations must comply with the stringent California Title 24 energy efficiency standards, which mandate specific performance ratings for windows to reduce overall energy consumption. Always verify with your contractor that they will handle all necessary permit applications with the City of Los Altos Building Division.
Prioritize contractors who are licensed (California Contractors State License Board - CSLB), insured, and have extensive local experience in Los Altos and surrounding Peninsula cities. They should be familiar with local codes and historic guidelines. Ask for references from recent projects in the area and verify their standing with the Better Business Bureau. A reputable provider will offer a detailed, written estimate, explain the permit process, and use high-quality, brand-name products with strong warranties. Avoid door-to-door solicitors and always get at least three detailed bids for comparison.
Absolutely. For homes in the Wildland-Urban Interface (WUI) zones of Los Altos Hills or brush-heavy areas, consider installing dual-pane tempered glass windows. While not "fireproof," tempered glass is much more resistant to breakage from extreme heat than standard annealed glass. For the highest protection, look for windows with a "Class A" fire-resistant rating. Combining these with non-combustible exterior materials and maintaining defensible space is a key part of a comprehensive fire-hardening strategy for your home, as recommended by the Los Altos Fire Department.