Compare the highest-rated windows professionals in Ontario, California. All contractors are licensed, insured, and verified through our rigorous screening process.
A premier window and door replacement company known for its high-quality, proprietary composite material (Fibrex) windows. They offer a full-service experience from in-home consultation to professional installation. Their windows are highly engineered for energy efficiency, durability, and aesthetics.
A highly respected and large regional contractor with a strong focus on energy-efficient home improvements. They are known for their professional, in-house crews, comprehensive warranty, and high-quality products. They handle everything from custom window replacements to new construction.
A local, family-owned and operated business specializing in both residential and commercial glass and window services. They are a strong choice for more immediate repair needs, standard replacements, and custom glass solutions, offering a personal touch and deep local roots.
** The window service market in Ontario, California, is competitive and service-oriented, reflecting the needs of a diverse housing stock ranging from mid-century homes to new developments. The focus is strongly on **energy efficiency** due to the region's hot summers, driving demand for Low-E glass and dual-pane insulated units. Quality varies significantly, with a clear distinction between large, branded providers (like Renewal by Andersen and Thompson Creek) who offer premium, full-service solutions and smaller local contractors (like Ontario Glass & Window) who excel in repairs, standard replacements, and personalized service. **Competition level** is high, which benefits consumers through competitive pricing and a focus on customer service. **Typical pricing** for a full window replacement project can range widely: standard vinyl double-hung windows might start around $600-$800 per window installed, while high-end, custom, or specialty windows (e.g., from Renewal by Andersen) can easily exceed $1,200-$1,500 per window. The market is well-regulated, with reputable providers holding the necessary California contractor's licenses and insurance, which is a critical factor for homeowners to verify.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Ontario regulations and climate
Get answers to common questions about windows services in Ontario, California.
In Ontario, the cost for a full window replacement typically ranges from $600 to $1,200 per window, including professional installation. The final price depends on the window material (vinyl, fiberglass, or wood), size, style (e.g., double-hung, casement), and energy efficiency features. Given our local climate, investing in dual-pane, Low-E coated windows is highly recommended for long-term savings on cooling costs, which can influence the upfront price.
Yes, the City of Ontario typically requires a building permit for window replacements, especially if the window opening size is being altered. A reputable, local contractor will usually handle the permit application process on your behalf as part of their service. It's crucial to hire a licensed contractor who is familiar with Ontario's specific building codes, which include standards for energy efficiency and safety that align with California's Title 24 requirements.
The ideal times are during the milder seasons of spring (March-May) and fall (September-November). Ontario's summers are very hot, and scheduling installation during extreme heat can be challenging for crews and may affect sealant curing. Winters are mild but can have rainy periods. Planning for the shoulder seasons often provides the most predictable weather and greater scheduling flexibility with contractors.
Always verify that the company holds a valid California Contractor's License (check the CSLB website) and carries both liability insurance and workers' compensation. Look for established local companies with strong reviews and ask for references from recent projects in the Inland Empire. A trustworthy provider will offer a detailed, written estimate, explain product options suitable for our heat and sun exposure, and will not demand large upfront payments before work begins.
For maximum energy savings and comfort, prioritize dual-pane glass with a Low-E (low-emissivity) coating. This coating reflects infrared heat from the sun, significantly reducing solar heat gain and keeping your home cooler. Also, look for windows with a low Solar Heat Gain Coefficient (SHGC) rating and argon gas fill between the panes. These features are critical for reducing air conditioning costs in our region and may help you qualify for local utility rebates.