Serving the Greater San Francisco Bay Area since 1969 & Transbay Locksmiths  An Authorized SecureRite Dealer P.O. Box 2527 21655 Redwood Road #126 Castro Valley, CA 94546 Phone Toll Free: 888-393-2436  Local Castro Valley: 510-733-1897 Fax: 509-691-8381   Click here for our on line catalogue of security products. We sell, service and install Schlage Locks. We are Schlage Primus Authorized Dealers. Order Designer Baldwin Lock Hardware from us!   Click here or on the newspaper above to view our current security newsletter! Click here to take our residential security quiz Visit our pages to view products, and learn how to protect your home and loved ones with quality SecureRite Products. Free security surveys of your home and business. Keystone Security / Transbay Locksmiths is a licensed, bonded Locksmith. We are a licensed contractor (C-10) California Department of Consumer Affairs License # 363239 We sell, install and service residential and commercial locking devices. Last updated January 14, 2008