Compare the highest-rated windows professionals in Cos Cob, Connecticut. All contractors are licensed, insured, and verified through our rigorous screening process.
As the local branch of a national brand, they specialize exclusively in premium, custom-made, energy-efficient replacement windows and doors. They are known for a full-service, consultative approach, handling everything from initial measurement to installation and warranty.
A highly respected, family-owned and operated contractor based in the town of Greenwich. They have a long-standing reputation for quality craftsmanship, attention to detail, and working on high-end residential properties. They offer a wide range of services, including expert window installation and replacement.
A well-established regional provider known for a vast selection of window brands and styles at competitive prices. They cater to both DIYers and professional installation, offering comprehensive installation services for replacement and new construction windows, including specialty and security options.
** The window service market in Cos Cob, and the greater Greenwich area, is characterized by high quality, high cost, and strong competition among established providers. The local housing stock includes many historic and high-value homes, which drives demand for custom, energy-efficient, and aesthetically sensitive window solutions. Providers in this market must be adept at working with both modern and traditional architectural styles. Due to the affluence of the area, customers prioritize long-term value, energy efficiency, and superior craftsmanship over low price. Competition is fierce, which generally results in a high standard of service. Typical pricing for a full window replacement project in this region is premium, often ranging from $1,000 to $2,500+ per window, depending on the size, style, material, and energy efficiency features selected.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Cos Cob regulations and climate
Get answers to common questions about windows services in Cos Cob, Connecticut.
In Cos Cob, a full home window replacement typically ranges from $15,000 to $40,000+, depending on the number and size of windows. Key cost factors include the choice of material (e.g., premium fiberglass vs. vinyl), energy-efficient features like Low-E coatings for our variable Connecticut climate, and the complexity of installation in older homes common to the area. Custom historical reproductions for Cos Cob's traditional architecture will also increase the budget significantly.
Cos Cob's proximity to Long Island Sound means windows must withstand nor'easters, salt air, and high humidity. We recommend windows with a durable, corrosion-resistant finish and robust weatherstripping. Opt for double or triple-pane glass with argon gas and Low-E coatings to improve thermal efficiency against both winter cold and summer heat, reducing energy costs year-round.
Yes, Cos Cob has strict regulations, especially in its historic districts. The Greenwich Historic District Commission (HDC) must approve any exterior alterations, including window replacements, for properties in designated areas to maintain architectural integrity. Even outside these districts, a town building permit is usually required. A reputable local installer will handle this process for you.
The ideal installation windows are during the mild spring and fall seasons. However, professional installers work year-round. For a standard-sized home in Cos Cob, the installation itself typically takes 2-4 days. Lead times can be longer (6-12 weeks) due to high demand in the region and the custom manufacturing required for many of the area's non-standard window sizes.
Always verify the contractor holds a valid Connecticut Home Improvement Contractor (HIC) license (# must be displayed on quotes/contracts) and carries both liability and workers' compensation insurance. For Cos Cob specifically, ask for local references and examples of past projects, especially if your home is in a historic district, to ensure they have experience navigating local approval processes and architectural styles.