Business Details
50+ Years
experience
Your Trusted Source for Building Supplies in Detroit
Founded in 1952 by Asa Shapiro, ASA Builders Supply has established itself as the largest single trim and door shop in the Metro Detroit area. With a 55,000-square-foot warehouse, we specialize in Interior Prehung Doors, Mouldings, Closet Shelving, Custom Millworks, and Stair Parts. Our commitment to quality and customer service has been recognized through awards such as the 2017 Homebuilders Associate of the Year (HBA) Award. We serve Southeast Michigan, offering competitive pricing lower than major hardware stores, and provide personalized services like in-home measurements and two-day delivery for stocked items.Our experienced team, many with decades of expertise, prides itself on delivering tailored solutions for both contractors and homeowners. We partner with leading manufacturers like Masonite Doors and Woodgrain Doors to ensure a diverse product selection. From traditional wood railings to modern chrome systems, our offerings cater to diverse design needs while maintaining a focus on craftsmanship and reliability.
Services
Interior Doors
Mouldings
Stair Parts
Custom Millworks
Closet Shelving
Details
- Year established: 1952
Highlights and features
- We offer over 70 years of expertise in trim and door solutions.
- Our 55,000 sq ft warehouse ensures extensive product availability.
- We provide competitive pricing lower than major hardware chains.
- Our team offers personalized in-home measurements and consultations.
- We guarantee two-day delivery for stocked items across Southeast Michigan.
Associations and certifications
- HBA Award Winner
What people say
Superior service
Great ideas
Impeccable work
White glove treatment
Laser-responsive support
Services
Interior Doors
ASA Builders Supply offers a comprehensive selection of interior doors including prehung units, bifolds, and custom designs. Our inventory features wood, MDF, and specialty options with finishes ranging from smooth to textured. We provide premachining services and retro-fitting solutions to ensure seamless installation for residential and commercial projects.
Custom Millworks
Our custom millwork division creates tailored mouldings, mantels, and architectural details using oak, poplar, and exotic woods. We offer profile replication for radius walls and arched openings, with two-day turnaround for standard orders. Clients receive sample kits and design consultations to ensure perfect match with project aesthetics.
Stair Parts
We supply complete stair systems featuring traditional wood components, wrought iron balustrades, and modern chrome railings. As authorized distributors for Carolina Stair Supply and House of Forging, we provide code-compliant parts for both residential and commercial applications with expert installation guidance.
Closet Shelving
Our shelving systems include Super Shelf and White Mica options in multiple dimensions, along with specialty plywood and particle board materials. We offer custom-cut solutions for closets, bookcases, and storage units, with material selection spanning oak, birch, and MDF for both functional and decorative applications.
Door Installation
Professional installation services cover prehung door units, frame retrofits, and custom openings. Our team provides on-site measurements, ensures proper door handing, and offers same-day delivery for urgent replacements. Services include adjustment for existing structures and compliance with commercial fire-rated requirements.
People
Steven Shapiro
President
Third-generation leader with decades of industry experience, Steven Shapiro oversees operations and strategic direction while maintaining hands-on involvement in customer relations and product selection.
David Shapiro
Sales Director
Award-winning sales professional specializing in custom cabinetry solutions, David Shapiro provides expert design consultation and coordinates nationwide deliveries while maintaining direct client communication throughout project timelines.
Questions
What areas do you serve?
We serve Southeast Michigan including Detroit, Flint, Flat Rock, Chelsea, and Port Huron with two-day delivery available across our service area.
Do you offer custom molding profiles?
Yes, we create custom molding profiles using both traditional wood and composite materials, with replication capabilities for radius walls and arched openings.
Can you match existing door styles?
Our team specializes in replicating existing door styles through our custom millwork division, ensuring seamless integration with original architectural elements.
Do you work with out-of-state clients?
Yes, we coordinate nationwide deliveries and offer virtual consultations via FaceTime for out-of-state clients while maintaining our standard service quality.
What warranty do you provide?
We stand behind our products with a satisfaction guarantee, offering replacement or adjustments for any manufacturing defects in materials we supply.
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