The Eastside's hardware store, run by the same family for three generations.
Lumber, plumbing, paint, and everything in between — plus key cutting, glass cutting, and delivery to your job site. If we don't have it, we'll tell you who does.
What's in stock
Seven departments under one roof, stocked for homeowners and contractors alike.
Lumber & Building Materials
Plumbing Supplies & Fixtures
Paint
Hardware & Fasteners
Rock, Gravel & Soil
Roofing Materials
Landscaping Supplies
Counter services
Walk-in work our staff handles while you wait.
Standard house and padlock keys cut on the spot.
Custom-sized panes cut for windows and repair jobs, while you wait.
Cut to length for towing, construction, or general use.
Lumber, concrete, roofing, and drywall delivered to your job site.
Lost your keys or moved into a new place? We can rekey on site.
Bring your project details in and we'll price it out, no charge.
Still run by the family that started it
Cobb Building Materials has been part of the Eastside for nearly eighty years, through three generations of the same family. We're not the biggest store in San Antonio — we're just the one that's been here the longest, and the one that still knows your name.
Customer service is our whole business model. If we don't carry what you need, we'll point you toward someone who does.
Mr. and Mrs. Cobb open the business out of a small home with a shed on San Antonio's Eastside.
The store expands into the 2,600 sq. ft. building it still occupies today, at 520 N New Braunfels Ave.
Third-generation family ownership, seven departments, and counter services the big-box stores don't offer.
What the neighborhood says
Placeholder copy — swap in real, permissioned reviews before launch.
"They found what three other stores couldn't, and cut it to size while I waited."
"Feels like a hardware store should — someone who actually knows plumbing walks you to the right aisle."
"Family-owned, and it shows. Fair prices, no upselling, no wasted trip."
Note: these are placeholder testimonials written to match the tone of real customer feedback. Replace with actual quoted reviews once the business has given permission to publish them.
Visit or reach out
Eastside San Antonio, off N New Braunfels Ave.
| Monday – Friday | 8:00 AM – 5:00 PM |
| Saturday | 8:00 AM – 5:00 PM |
| Sunday | Closed |