Compare the highest-rated windows professionals in Sumas, Washington. All contractors are licensed, insured, and verified through our rigorous screening process.
A family-owned and operated provider known for personalized service and high-quality window and door installation. They specialize in both repair and full replacement projects, focusing on energy efficiency and custom fits for older homes. Their strong reputation in Whatcom County is built on reliability and craftsmanship.
Serving all of Whatcom County, Window Masters is recognized for its professional project management and expertise in a wide range of window brands and styles. They offer comprehensive services from initial consultation to final installation, with a strong emphasis on improving home energy efficiency and aesthetics.
While based in Bellingham, this company has a long history of serving the entire region, including Sumas. They are particularly noted for their work with wood windows, including historical restoration and custom fabrication, in addition to standard vinyl and energy-efficient replacements.
** The window service market in and around Sumas, Washington, is characterized by a small number of highly specialized local contractors and a reliance on established providers from neighboring hubs like Lynden and Bellingham. Due to Sumas's climate, which features rainy winters and a desire for energy savings, there is strong consumer demand for high-quality, energy-efficient windows and robust storm windows. The competition level is moderate; while there aren't dozens of providers directly in Sumas, residents have access to several top-tier companies within a 20-mile radius. These providers are typically long-standing, family-owned businesses with excellent reputations rather than large national chains. Typical pricing for a full window replacement project in this region is competitive with national averages, generally ranging from $600 to $1,200 per window installed, depending on the style, material, and energy efficiency ratings. The overall quality of service is high, with a focus on customization and durability to withstand the Pacific Northwest weather.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Sumas regulations and climate
Get answers to common questions about windows services in Sumas, Washington.
Sumas experiences significant rainfall and potential flooding, making moisture resistance and durability critical. We recommend windows with excellent weather sealing, such as vinyl or fiberglass frames, and low-E glass to manage both heat loss and solar gain common in our region. Ensuring proper flashing and waterproofing during installation is paramount to prevent water intrusion and long-term damage.
From order to completion, a typical full-home replacement takes 6-10 weeks, with installation itself lasting 1-3 days depending on home size. In Sumas, we strongly recommend scheduling installations during the drier summer and early fall months to avoid weather delays. Winter installations are possible but require more careful planning due to rain, colder temperatures, and the potential for Nooksack River flood warnings.
For standard window replacements where the opening size isn't changing, a permit is generally not required in Sumas or unincorporated Whatcom County. However, if you are altering the structural opening or are in a designated historic area, you must check with the Whatcom County Planning and Development Services. A reputable local installer will always handle this verification for you.
Prioritize contractors licensed, bonded, and insured in Washington State with proven local experience. Ask for references from homes in Sumas or nearby communities like Everson to see how their installations have held up to our specific weather. Ensure they provide a detailed, written estimate that includes product specifications, labor, cleanup, and warranty information covering both materials and workmanship.
Many older Sumas homes have settled foundations or out-of-square openings due to the soft, floodplain soil. A professional installer will take precise measurements of each individual opening and may need to custom-fit or use expansion frames to ensure a perfect, airtight seal. They will also inspect for and repair any existing water damage or rot in the window framing before installing the new unit to ensure longevity.