Hardware Stores in O'Fallon
The most complete and owner-verified listings first — hours, phone, website, services. No pay-to-play.
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Oma's Barn Home & Garden
1057 MO-79, O'Fallon, MO 63376
BEFORE YOU GO
Bring the right details to the store
Measure fasteners and choose a bit for the material.

Measure a screw correctly
Record the length, diameter and thread before visiting the store.
Read the guide
Screws and bolts explained
Use the thread, head and application to match the fastener.
Read the guide
Choose the right drill bit
Separate wood, metal and masonry bits before comparing sizes.
Read the guide-
Sears Appliance and Hardware Store - Closed
2947 Highway K, O'Fallon, MO 63366
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Roof Depot
1700 W Terra Ln, O'Fallon, MO 63366-2310
Of the 6 hardware stores listed in O'Fallon, 6 give a phone number, 2 publish opening hours and 4 have a website. 1 is a branch of a national chain — The Home Depot (1); the remaining 5 are independent. By what they offer: 1 sells plumbing supplies, 1 sells lumber. The nearest bigger selection is Saint Louis with 13.