Compare the highest-rated windows professionals in Clearlake, California. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated local contractor specializing in residential window and door replacement. They are praised for their professional installation, clear communication, and focus on energy-efficient solutions. They work with quality brands and provide custom sizing for older homes.
A well-established family-owned business based in the county seat of Lakeport. They have a strong reputation across Lake County for reliability and quality workmanship. They offer a wide range of services from simple repairs to full-frame replacements and carry various lines to fit different budgets.
While based in Ukiah, this provider is a leading supplier and installer for the entire North Bay region, including Lake County. They are known for their extensive showroom, high-quality product lines (like Milgard and Simonton), and expert installation of complex custom projects. They are a go-to for premium, energy-efficient solutions.
** The windows market in Clearlake, CA, is characterized by a mix of older housing stock and newer constructions, driving demand for both repair and full replacement services. The competition level is moderate, with a few strong local contractors and several larger regional companies serving the area. Due to the climate, with warm, dry summers and cool, wet winters, there is a significant and growing consumer focus on energy-efficient windows to improve home comfort and reduce utility costs. Typical pricing for a standard vinyl double-hung window replacement can range from $600 to $1,200 per window installed, depending on the brand, energy ratings, and complexity of the installation. Custom, high-end, or historically accurate window projects will exceed this range. The top providers distinguish themselves through strong warranties, manufacturer certifications, and a focus on professional installation over a simple sales approach.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Clearlake regulations and climate
Get answers to common questions about windows services in Clearlake, California.
For a standard single-family home in Clearlake, a full window replacement typically ranges from $8,000 to $20,000+, depending on the number and size of windows. Key cost factors include the choice of material (vinyl is popular for its value, while fiberglass or wood costs more), the window style (e.g., double-hung vs. picture windows), and the need for any structural repairs to older frames. Local pricing also reflects California's stringent energy efficiency requirements (Title 24), which mandate specific glazing and performance standards, adding to the upfront cost but providing long-term savings on heating and cooling.
Clearlake's hot, dry summers and mild, wet winters make dual-pane Low-E windows with argon gas essential for energy efficiency and comfort. Given the area's high sun exposure and potential for summer wildfires, look for windows with a low Solar Heat Gain Coefficient (SHGC) to reduce heat gain and protect interiors. For homes with lake views, consider durable, low-maintenance frames like vinyl or fiberglass that resist moisture and won't warp, and ensure the installation includes proper sealing to combat the occasional strong winds that come off the lake.
Yes, the City of Clearlake typically requires a building permit for window replacements, especially if you are altering the structural opening. Your contractor should handle this, ensuring the installation complies with the California Building Code (CBC) and local amendments. Key regulations focus on emergency egress for bedrooms, energy efficiency standards (Title 24), and, if you're in a designated historic area or HOA, there may be additional aesthetic guidelines regarding window style and appearance.
The ideal time is during Clearlake's dry season, from late spring through early fall (May to October), to avoid rain delays and allow for proper sealing. 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 ahead is crucial, as this is the busy season for local contractors. Off-season (late fall/winter) installations are possible but may be subject to weather-related rescheduling.
Prioritize contractors who are licensed (check their CSLB number), insured, and have verifiable local references. A reputable local installer will understand Clearlake's specific needs, such as preparing homes for fire season with ember-resistant construction techniques and recommending materials suited to the microclimate. Always get 2-3 detailed, written estimates that include product specifications (including California Energy Commission compliance), labor, permit fees, and warranty information covering both the product and the installation workmanship.