The Preferred Window Contractor for the DC Metro Area Since 1972
With one of the highest referral rates of any contractor in the DC Metro Area, you can rest assured that our window and trim professionals will deliver a more professional service experience and better value for your dollar than anyone else, guaranteed.
Get a Free QuoteExceptional Craftsmanship at Competitive Prices
American Custom Contractors is a licensed, bonded, and insured general contractor with certifications and memberships in over 15 industry-leading trade organizations, including the Slate Roofing Association, the Certified Contractors Network, the National Roofing Contractors Association, and the U.S. Green Building Council.
We replace and install windows and trim of all types and size
New Installations
If you’re considering a home renovation or addition, call American Custom Contractors. We’ll walk you through possible window options during a free in-home estimate.
Replacements
Updating windows is a great way to add natural beauty, light, and value to any space. We install over a dozen unique window types and promise unbeatable quality and fast turnaround times.
Trim Updates
As a general contractor, we have experts that specialize in windows as well as window trim. Replacing a home’s trim and windows at the same time guarantees a complementary appearance that will look absolutely stunning.
Supporting brands like these
Certified to repair and install these popular window styles (and many others!)
Double-Hung Windows
Double-hung windows offer improved airflow and simplified cleaning compared to their single-hung counterparts.
Awning Windows
Awning windows swing outward, providing a water-resistant awning for those rainy days. Very easy to clean and they look great!
Bay Windows
Bay windows are flat and angled in such a way that they jut out from the exterior of the home, creating a cozy nook with a wide view range.
Bow Windows
Bow windows curve outward from the home to provide an extended outdoor viewing area. They offer a stunning Victorian-era look to any home.
Casement windows
Casement windows are single-pane windows that swing outward and to the side, providing fewer obstructions and simplified cleaning.
Slider Windows
Slider windows are comprised of two sashes that run horizontally across a wall space and can give smaller rooms a less stuffy appearance.
Honesty, integrity, and quality craftsmanship since 1972
"Unquestionably, American Custom Contractors is a fantastic, capable, professional company that I would recommend to anyone who needs roof work."
About American Custom Contractors
American Custom Contractors was founded in 1972 by Alex and Angie Giakoumatos. What began as a small carpentry operation quickly become a full-scale remodeling company with a focus on roofing, windows, and siding. Today, ACC remains one of the most trusted home improvement contractors in the area, bringing unparalleled craftsmanship to residential and commercial projects of all types and sizes.
In-Depth Consultations and Estimates Are Available Now
0% Interest for 6 months
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Limited Time Offer:
This offer is valid for a limited time and is subject to change without prior notice.
Financing Promotion Eligibility:
Our financing promotion is exclusively available to qualified applicants.
Payment Details:
Customers are required to make monthly payments over the 6 month period. Interest will not accrue until after the 6 month period.
Restrictions and Exclusions:
- This offer cannot be combined with any other promotions, discounts, or coupons.
- Please note that not all applicants may qualify for the lowest monthly payment option.
- Additional restrictions may apply, so please review the terms and conditions carefully.
Schedule below or call to redeem!
We treat our customers with respect and guarantee their complete satisfaction. Call and request a free estimate from one of our trained Project Consultants today.
Hours & Service Area
Service Area
We service a 75-mile radius around Rockville, MD, including Potomac, Bethesda, Great Falls, and Mclean. We also service the entire Washington D.C. area as well as parts of Maryland, Virginia, and West Virginia.
Hours of Operation
American Custom Contractors is open from 8:00 AM to 5:00 PM, Monday through Friday. We also have Saturday appointments available upon request.