About Big L Windows & Doors

Replacement Windows and Doors in Buffalo & Western New York

Turn to Big L Windows & Doors for all of your replacement windows and doors projects. Since all of our products feature “no call-back” quality, you are guaranteed an outstanding experience.  We serve the Western New York area, specifically Greater Buffalo and Niagara Falls, including Erie, Niagara, Chautauqua, Wyoming and Orleans counties.

See our complete selection of Window options, Patio Doors, Entry Doors, and Storm Doors.

Big L Windows & Doors specializes in wholesale and retail sales and installation of the highest quality windows and doors including those manufactured by Marvin, Infinity, Restorations, Therma-Tru, and ProVia to name a few.

Remodeling Contractors:
We built our business meeting the needs of remodeling contractors. Our inside sales staff, who have a combined experience of 60 years, and our reputation for fast, accurate, and on-time deliveries will give you complete peace of mind.

If you’re making selections for your new home or addition, or just considering different options for a new project, check out Big L’s showroom. With a large selection of quality windows and doors, and a knowledgeable, experienced sales staff, your dream project can quickly become a reality.  Our clientele are the great people of western New York state, and we work for them, everyday, the right way.

With so many choices, builders love using Big L’s builder specialists and showroom to keep the process moving. We’ve been servicing contractors in the Buffalo area, and surrounding Hamburg, Bowmansville, and Niagara Falls areas, for years, providing the highest level of customer service around. Our quotes are fast and accurate, and the service provided by our Award-Winning staff give the builder and his customer peace of mind.