Retail Lobby Hours

Visit the DiamondCore Tools headquarters in El Cajon, CA, about 20 minutes from downtown San Diego. Find all the DiamondCore tools, clay, glazes and more for purchase in one convenient place.

 

Address
DiamondCore® Tools
680 W. Bradley Ave.
El Cajon, CA  92020 

Lobby Access
Monday: 10 am-4 pm
Tuesday: 10 am-4 pm
Wednesday: 10 am-4 pm
Thursday: 10 am-4 pm
Friday: 9 am-noon
Saturday: 9 am-1 pm
Sunday: closed

2025 Holiday Closures
April 18: Good Friday

May 26: Memorial Day
July 4: Fourth of July
Sept. 1: Labor Day
Nov. 27: Thanksgiving
Dec. 24-26: Christmas