Where to Purchase California Code of Regulations, Title 24

Title 24 Parts 1 through 12 (Part 11 is vacant)

International Association of Building Officials (IABO)
5360 South Workman Mill Road
Whittier, CA 90601
1-800-423-6587

Title 24 Part 3 California Electrical Code (in addition to the IABO listed above.)

Builders Bookstore
8001 Canoga Avenue
Canoga Park, CA 91304
1-800-273-7375

Building News, Inc.
1612 S. Clementine Street
Anaheim, CA 92802
1-800-873-6397

Title 24 Part 5 California Plumbing Code (in addition to the IABO listed above)

International Association of Plumbing and Mechanical Officials
20001 Walnut Drive South
Walnut, CA 91789
1-800-451-5978