Orange County Historical Site Plaques
The Orange County Historical Commission (OCHC) has designated sites and structures of local or countywide significance as Historical Sites. Descriptive bronze plaques have been placed at each of these sites by the Orange County Board of Supervisors and OCHC. Each site is listed along with the date of the plaque ceremony.
If you have any questions about these sites or would like to nominate a site for the OCHC plaque program, please call the OCHC office at (714) 973-6606 for more information.
Orange County Historical Site Plaque Locations
#1. SITE OF CARBONDALE
1976 8002 Silverado Canyon Rd., Silverado, CA 92676
Plaque Ceremony: October 9, 1976
#2. DOCTOR GEORGE CROOK CLARK HOME AND OFFICE
Arboretum, California State University, Fullerton, CA, 92831
Plaque Ceremony: October 9, 1976
#3. EPISCOPAL CHURCH OF THE MESSIAH
614 N. Bush St., Santa Ana, CA 92701
Plaque Ceremony: November 7, 1976
#4. HEWES MANSION
350 South B Street, Tustin, CA 92780
Plaque Ceremony: October 31, 1976
#5. IRVINE PARK
21401 Chapman Ave., Orange, CA 92869
Plaque Ceremony: October 3, 1997
#6. LAGUNA BEACH ART MUSEUM
307 Cliff Drive, Laguna Beach, CA 92651
Plaque Ceremony: November 6, 1976
#7. SITE OF LILY CREAMERY
6586 Beach Blvd., Buena Park, CA 90621
Plaque Ceremony: November 15, 1976
#8. MCCOY-HARE HOUSE
1976 Blakey Historical Park, 8612 Westminster Blvd., Westminster, CA 92683
Plaque Ceremony: November 23, 1976
#9. NEWLAND HOUSE
19820 Beach Blvd., Huntington Beach, CA 92648
Plaque Ceremony: September 19, 1976
#10. PACIFIC ELECTRIC RED CAR
707 Electric Ave., Seal Beach, CA 90740
Plaque Ceremony: October 27, 1976
#11. SITE OF SAN PEDRO GATE
Corner of Center and Lincoln W., Anaheim, CA
#12. SANTA ANA’S BIRTHPLACE
Corner of Fifth & Sycamore, Santa Ana, CA
Plaque Ceremony: October 27, 1976
#13. STANLEY HOUSE MUSEUM
Heritage Park, 12174 Euclid St., Garden Grove, CA 92850
Plaque Ceremony: November 14, 1976
#14. LA HABRA PACIFIC ELECTRIC DEPOT
301 S. Euclid St., La Habra, CA 90631
Plaque Ceremony: October 27, 1976
#15. ST. MICHAEL’S EPISCOPAL CHURCH
311 W. South St., Anaheim, CA 92805
Plaque Ceremony: November 14, 1976
#16. SANTA ANA ARMY AIR BASE SITE – MEMORIAL GARDEN
Orange County Fair Grounds, 88 Fair Drive, Costa Mesa, CA 92626
Plaque Ceremony: October 15, 1976
#17. IRVINE BOWL
650 Laguna Canyon Rd., Laguna Beach, CA 92657
#18. SITE OF FIRST BUILDING
Southwest Corner, Orange Plaza, Chapman Ave. and Glassell St., Orange, CA
Plaque Ceremony: September 2, 1977
#19. FULLERTON COLLEGE
321 E. Chapman, Fullerton, CA 92830
Plaque Ceremony: May 20, 1977
#20. KNOTT’S BERRY FARM
8039 Beach Blvd., Buena Park, CA 90620
Plaque Ceremony: July 1977
#21. LA HABRA’S BIRTHPLACE
Civic Center, 201 E. La Habra Blvd., La Habra, CA 90631
#22. BRADFORD HOUSE
136 W. Palm Circle, Placentia, CA 92870
Plaque Ceremony: October 1981
#23. MANUEL GARCIA ADOBE
31871 Camino Capistrano, San Juan Capistrano, CA 92675
#24. POST BROTHERS’ PLOW
15261 Brookhurst Ave., Westminster, 92683
Plaque Ceremony: September 15, 1979
#25. YORBA CEMETERY
6749 Parkwood Ct., Yorba Linda, CA 92886
Plaque Ceremony: October 18, 2002
#26. FIRST ADVENT CHRISTIAN CHURCH
555 W. Main St., Tustin, CA 92780
Plaque Ceremony: January 1982
#27. ONTIVEROS ADOBE SITE
Near the corner of Crowther Ave. & Porter Way, Placentia, CA
Plaque Ceremony: August 1982
#28. FOSSIL REEF
Corner of Moulton Parkway & Alicia Parkway, Laguna Hills, CA
Plaque Ceremony: October 1982
#29. GEORGE KEY RANCH
625 W. Bastanchury Rd., Placentia, CA 92870
Plaque Ceremony: 1983
#30. COURREGES RANCH
8572 Talbert Ave., Fountain Valley, CA 92708
Plaque Ceremony: November 1983
#31. SAN JUAN CAPISTRANO JAIL CELL
31745 Los Rios Street, San Juan Capistrano, CA, 92675
Plaque Ceremony: May 1986
#32. HERITAGE HILL HISTORICAL PARK
25151 Serrano Rd., Lake Forest, CA 92630
Plaque Ceremony: 1985
#33. PERALTA ADOBE
S.W. Corner of Fairmont Blvd. & Santa Ana Canyon Rd., Anaheim, CA 92807
Plaque Ceremony: 1986
#34. MACADAMIA NUT TREE
Macadamia Street (west of Placentia Avenue), Placentia, CA
Plaque Ceremony: November 1986
#35. RENDEZVOUS BALLROOM
Ocean Front, between Washington & Palm Streets, Newport Beach
Plaque Ceremony: March 1986
