Business Details
50+ Years
experience
Trusted Home Improvement & Roofing Solutions Since 1972
Founded in 1972, American Custom Contractors is a family-owned business rooted in honesty, high-quality work, and integrity. With over five decades of experience, we specialize in exterior home and commercial improvements, including roofing, siding, windows, and gutters. Our reputation for exceptional craftsmanship and customer satisfaction has been built through consistent referrals from satisfied clients across Maryland, Virginia, West Virginia, Pennsylvania, and Washington, DC.We prioritize community relationships, maintaining a central hub in Rockville since 2005 to ensure prompt service and personalized attention. As certified installers for top manufacturers like Owens Corning and GAF, we combine premium materials with expert project management to deliver durable, energy-efficient solutions tailored to each client's needs.
Services
Roofing
Siding
Windows
Gutters
Commercial Roofing
Details
- Year established: 1972
Highlights and features
- We offer 50+ years of experience in exterior home improvement projects.
- Our team includes certified installers for premium roofing and siding products.
- We provide free, no-obligation estimates and inspections for all services.
- Our financing options include $0 down payment and same-as-cash plans.
- We serve residential and commercial clients across five Mid-Atlantic states.
Associations and certifications
- Owens Corning Platinum Preferred
- GAF Certified Plus Contractor
- CertainTeed ShingleMaster Preferred
What people say
Excellent work
Great job
Highly recommend
Top notch
Best in the book
Services
Roofing
We provide comprehensive residential and commercial roofing solutions including replacements, repairs, and new installations. Our certified technicians install premium materials like asphalt shingles, synthetic slate, cedar shakes, and metal roofing. With manufacturer-backed warranties and energy-efficient options, we ensure long-lasting protection and enhanced property value for homes and businesses across the Mid-Atlantic region.
Siding
Our siding services transform exteriors with durable fiber cement, vinyl, and insulated vinyl options. We offer expert installation and repairs that boost curb appeal while improving energy efficiency. With access to top brands like James Hardie and CertainTeed, we provide weather-resistant solutions that protect properties and maintain aesthetic appeal across Maryland, Virginia, and surrounding areas.
Windows
We install energy-efficient vinyl and wood windows that reduce heating and cooling costs while enhancing property aesthetics. Our selection includes double-hung, bay, bow, casement, and picture windows tailored to residential and commercial needs. With expert consultations and professional installation, we deliver durable solutions that improve comfort and increase property value across five Mid-Atlantic states.
Gutters
Our gutter services include installation, repair, and maintenance of durable gutter systems that protect foundations and landscaping. We offer multiple material options and color-matched solutions to complement any property. With expert assessments and proper drainage solutions, we prevent water damage and maintain structural integrity for residential and commercial properties in the DMV area and beyond.
Commercial Roofing
We deliver comprehensive commercial roofing solutions for new construction and renovation projects. Our services include asphalt shingles, metal roofing, and synthetic materials with energy-efficient benefits. With expert project management and quality control, we serve public and private sector clients across Maryland, Virginia, West Virginia, Pennsylvania, and Washington DC, ensuring durable, code-compliant installations.
People
William Giakoumatos
President
President of American Custom Contractors since 2005, William Giakoumatos carries forward the family legacy started by his parents in 1972. With over 50 years of combined industry experience, he focuses on maintaining the company's commitment to quality craftsmanship and community values.
Demetri Giakoumatos
CEO
As CEO, Demetri Giakoumatos leads operations with a focus on exceeding client expectations. Joining the family business in 1997, he has driven expansion of commercial services and maintained the founding principles of honesty and integrity established in 1972.
Questions
How long has American Custom Contractors been in business?
We've served the Mid-Atlantic region since 1972, providing exterior home improvement services for over 50 years.
Do you work with insurance claims for storm damage?
Yes, our insurance restoration division handles claims directly with providers to streamline repairs for storm-damaged properties.
What areas do you serve?
We operate across Maryland, Virginia, West Virginia, Pennsylvania, and Washington DC with our Rockville headquarters.
Are financing options available?
Yes, we offer $0 down payment plans, same-as-cash financing, and low-interest payment options for qualified applicants.
What certifications do your installers hold?
Our team includes Owens Corning Platinum Preferred, GAF Certified Plus, and CertainTeed ShingleMaster professionals.
How can I schedule an estimate?
Call (301) 417-1000 or use our website form to request a free, no-obligation consultation with our project consultants.
