Compare the highest-rated windows professionals in San Lorenzo, California. All contractors are licensed, insured, and verified through our rigorous screening process.
As a flagship branch of a national manufacturer and installer, they specialize in high-end, custom-made, energy-efficient replacement windows. They offer a full-service experience from consultation to installation, focusing on premium materials and professional service.
A highly-rated local contractor known for personalized service and expertise in both window replacement and repair. They are praised for their responsiveness, quality craftsmanship, and ability to handle a wide range of window projects, including historical homes.
A well-established local company that provides a comprehensive range of window and door services. They are known for their work with vinyl and energy-efficient windows, offering competitive pricing and strong customer service for replacements and new installations.
The window service market in San Lorenzo is competitive, characterized by a mix of large national providers (like Renewal by Andersen and Pella) and highly-regarded local/regional contractors. Due to the city's predominantly mid-20th century housing stock, there is strong demand for window replacement to improve energy efficiency, modernize aesthetics, and enhance home security. The average quality of service is high, as contractors serving this area must meet the stringent standards of the broader San Francisco Bay Area market. Competition is robust, which generally benefits consumers through competitive pricing and a focus on customer service. Typical pricing for a full home window replacement can range from $10,000 to $25,000+, depending on the number of windows, the quality of materials (vinyl, fiberglass, or wood composites), and the complexity of the installation. Repair services and single-window replacements are more accessible, often ranging from $300 to $1,000 per window. Homeowners in San Lorenzo are advised to obtain multiple quotes and verify state contractor licenses with the CSLB before proceeding with any major project.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with San Lorenzo regulations and climate
Get answers to common questions about windows services in San Lorenzo, California.
For a standard single-family home in San Lorenzo, a full window replacement typically ranges from $10,000 to $25,000, depending on the number of windows, materials (vinyl, fiberglass, or wood), and energy efficiency features. California's Title 24 energy standards require high-performance windows, which can increase upfront cost but offer significant long-term savings on energy bills, especially given our local climate with cool nights and warm days. Always get itemized quotes from local installers that include removal, installation, and disposal.
Yes, the City of San Lorenzo (under Alameda County jurisdiction) typically requires a building permit for window replacements, especially if you are changing the window size or if the work is structural. A reputable, local window installation company will usually manage the permit process on your behalf, ensuring compliance with California building codes and local ordinances. It's crucial to verify this service is included, as unpermitted work can cause issues during a future home sale.
San Lorenzo's Mediterranean climate, with its mild but sometimes rainy winters and dry, warm summers, makes dual-pane Low-E (low-emissivity) windows an excellent investment. These windows help keep heat in during cooler Bay Area nights and reflect solar heat during sunny afternoons, improving home comfort year-round. For homes with significant sun exposure, consider windows with a lower Solar Heat Gain Coefficient (SHGC) to reduce cooling costs.
Prioritize contractors who are licensed (California Contractors State License Board - CSLB), insured, and have specific experience with homes in San Lorenzo and nearby communities like San Leandro or Hayward. Check for strong local references and reviews, and ensure they are familiar with the permit process in unincorporated Alameda County. A trustworthy provider will offer a detailed, in-home assessment and warranty covering both the product and their labor.
The ideal time is during the dry season, typically late spring through early fall (May to October), to avoid rain delays. For a full-home replacement, a professional crew can typically complete the project in 1-3 days, depending on the home's size and complexity. Scheduling several weeks in advance is advised, as reputable local installers often book up quickly, especially ahead of the rainy season when homeowners seek to improve insulation.