Diamond Rating

To earn the Showroom Diamond, the dealer must have a showroom with a minimum number of Milgard products on display.
To earn the Web-Site Diamond, the dealer must have their own Web-site with information about the Milgard products and the services they sell.
To earn the AAMA Certified Diamond, the dealers must have at least one member from each of their installation crews complete the AAMA Installation Masters training and pass the AAMA Certified Install test.
To earn the Product Knowledge Diamond, all Dealer Sales Consultants must pass a series of standardized Milgard administered tests demonstrating Milgard product knowledge.


485 E. 52nd Ave
Unit B
Denver, CO 80216
United States

Store Hours

Monday7:30am - 4:30pm
Tuesday7:30am - 4:30pm
Wednesday7:30am - 4:30pm
Thursday7:30am - 4:30pm
Friday7:30am - 4:30pm

Services Offered

Free estimates
Has Showroom

About Us

US Building Supply is your number one wholesaler of quality Mastic, Certainteed, James Hardie and Crane Performance siding, and Milgard Windows. Along with these top brand products, we also offer the best service at competitive pricing. US Building Supply specializes in all Milgard window and door products: fiberglass, vinyl, wood, custom, architectural and aluminum products. We specialize in energy efficient products meeting todays energy standards for residential replacement and new construction. We currently have two facilities to serve you, located in Colorado Springs and Denver. Please peruse our website to see if we can help you.

Since it's beginning as a two person run location in 1992, US Building Supply is locally owned and has become the premier wholesale distributor of siding and window products along the Colorado Front Range. US Building Supply provides an extensive inventory of quality brand names to the remodeling and new construction market. As part of our success in assisting contractors, US Building Supply also offers product training seminars, customized delivery, and progressive marketing programs. Come partner up with us to help grow your business.

Awards Received

  • Home Builder's Association of Metro Denver
  • Home Builder's Association of Colorado Springs

Areas Served

Denver, Boulder, Arvada, Wheat Ridge, Golden, Littleton, Lakewood, Westminster, Broomfield, Thornton, Northglenn, Centennial, Lone Tree, Parker, Castle Rock, Aurora, Fort Collins, Loveland, Windsor, Longmont, Greeley, Evans, Evergreen, Vail, Breckenridge, Frisco, Dillon, Silverthorne, Georgetown, Grand Junction, Glenwood Springs, Aspen, Edwards, Colorado Springs, Pueblo, Monument, Elizabeth, Franktown, Limon, Burlington, Sterling, Fort Morgan, Brighton, Erie, Lafayette, Frederick, Firestone, Louisville, Estes Park, Lyons, Mead, Cheyenne, Casper, Wheatland, Douglas, Torrington, Rock Springs, Laramie, Green River, Jackson, Sheridan, Buffalo, Greybull, Cody, Gillette, Colorado, Wyoming, Montana,



See All Reviews
  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getContent, 155.58ms
  • bvseo-msg: HTTP status code of 404 was returned;