Proudly Serving Northern Virginia

Family Owned & Operated by a Firefighter With Over 20 Years of Home Improvement Experience!

Tri County Windows and Siding is Northern Virginia’s most trusted and valued Home Improvement Company for Windows, Doors, Siding, Trim and Gutters, providing only the highest quality products available along with unmatched professional workmanship and customer service. We continue to build our customer relationships by remaining true and honest to all our customers, vendors and employees and take great pride in our past successes and strive to be better every day!

Owned and operated by a local Firefighter, Tri County Windows and Siding’s business philosophies are based on values such as honesty and integrity. We believe in a no hassle sales approach with the best possible pricing available upfront to every one of our customers at a fair and reasonable price. We feel so strongly about this, that if you receive an estimate that is lower for the same products and services, we will match plus provide an additional 5%… Guaranteed!