📍 1300 Galaxy Way Ste 8, Concord, CA, 94520
📞 925-687-7175
📍 2440 Stanwell Dr, Concord, CA, 94520
📞 925-566-8226
📍 1654 Elm Rd, Concord, CA, 94519
📞 925-689-5098
📍 5100 Clayton Rd Ste B1, Concord, CA, 94521
📞 925-672-7999
🌐 jeffgardner.net
📍 Serving Your Area, Concord, CA, 94518
📞 925-691-0361
📍 5206 Concord Blvd, Concord, CA, 94521
📞 925-349-6894
Updated Sep 2026
📍 3442 El Monte Dr, Concord, CA, 94519
📞 925-686-1807
🌐 keystone-electric.com
Keystone Electric is an electrical contractor based in Concord, California, specializing in changes and upgrades as well as manufacturing services. The business has been operational since at least 2005, indicating a long-standing presence in the community. Customers seeking electrical solutions can rely on Keystone Electric for their projects.
📍 1460 Washington Blvd Ste B104, Concord, CA, 94521
📞 925-673-2110