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For professional and dependable building services call the trusted specialist - Horizon Building. To learn more about our services you may also complete our online estimate request!


20209 Redwood Rd. Unit D.
Castro Valley, CA 94546

Phone: 510-415-7641

Fax: 510-885-9439

Hours of Operation:

Monday - Friday 8 a.m. - 6 p.m.
Saturday 8 a.m. - 2 p.m. or by appointment