Compare the highest-rated windows professionals in Gaithersburg, Maryland. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading home improvement provider in the DC Metro area, known for high-quality window replacement and installation. They manufacture their own windows, allowing for quality control and custom solutions. Strong focus on energy efficiency and professional, full-service installation.
A highly reputable, family-owned window and door replacement company with a strong national presence and a significant local footprint. They are known for their extensive product selection, lifetime warranty, and focus on customer service. They serve the Gaithersburg area directly.
A trusted contractor that specializes exclusively in windows and doors. They are praised for their competitive pricing, knowledgeable consultants, and efficient installation crews. They offer a wide range of products from leading manufacturers and provide services directly to Gaithersburg residents.
The window market in Gaithersburg is competitive and serviced primarily by well-established regional companies rather than small, hyper-local contractors. The quality of service is generally high, driven by a discerning homeowner base interested in energy efficiency, home value, and security. The competition level is moderate to high, with several major players vying for business in the affluent DC metro area. Typical pricing for a full window replacement on an average home can range from $7,500 to $20,000+, heavily dependent on the window quality (vinyl, fiberglass, composite), the number of windows, the complexity of installation, and the level of custom work required. Energy-efficient features and custom shapes/sizes are significant drivers of cost. Homeowners are advised to obtain multiple quotes due to the considerable price variance between providers.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Gaithersburg regulations and climate
Get answers to common questions about windows services in Gaithersburg, Maryland.
For a standard vinyl double-hung window replacement in Gaithersburg, homeowners can expect to pay between $600 and $1,200 per window installed, with the total project cost heavily dependent on the number of windows, their size, and the quality of materials. This regional pricing reflects local labor costs and the demand for energy-efficient windows suitable for Maryland's varied climate, with hot, humid summers and cold winters. High-performance options like fiberglass or windows with triple-pane glass and Low-E coatings will be at the higher end of the spectrum.
Yes, the City of Gaithersburg follows the Maryland Building Performance Standards (MBPS). While a simple, like-for-like window replacement typically does not require a permit, any structural change to the opening, changes to egress requirements (especially for bedrooms), or work on historic homes in districts like Olde Towne will likely need a permit. It is crucial to hire a licensed, insured contractor familiar with Montgomery County codes who can verify and handle any necessary permit applications with the Gaithersburg Department of Planning and Code Administration.
The ideal seasons in Gaithersburg are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for installation and allows for proper sealing. Scheduling in the off-peak seasons (late fall through early spring) can sometimes lead to better availability and potential promotions, but Maryland's winter weather can cause delays. Summer installations are possible but can be uncomfortable due to heat and humidity.
Prioritize contractors who are licensed, insured, and have strong local references specifically in Gaithersburg or nearby communities. Look for companies experienced with the specific challenges of older homes in the area, such as those with original wood frames. Verify they are certified by leading window manufacturers (e.g., Andersen, Pella, Marvin) and ask about their process for ensuring compliance with local energy codes and handling the disposal of old windows, as Montgomery County has specific waste disposal regulations.
Extremely important. Gaithersburg experiences both high summer heat/humidity and winter cold, making year-round efficiency critical for comfort and utility savings. Prioritize windows with a low U-factor (for heat loss) and a low Solar Heat Gain Coefficient (SHGC) to block summer heat. Look for the ENERGY STAR label specific to the "North-Central" U.S. climate zone, which Maryland is in. Proper installation to create an airtight seal is just as vital as the window's ratings to prevent moisture intrusion and drafts common in our seasonal shifts.