• Buildings and structures in Anaheim, California(6 C, 25 P)
• Buildings and structures in Costa Mesa, California(1 C, 9 P)
• Buildings and structures in Fullerton, California(1 C, 16 P)
• Buildings and structures in Garden Grove, California(3 P)
• Buildings and structures in Huntington Beach, California(14 P)
• Buildings and structures in Irvine, California(2 C, 15 P)
• Buildings and structures in Laguna Beach, California(8 P)
• Buildings and structures in Newport Beach, California(23 P)
• Buildings and structures in Orange, California(10 P)
• Buildings and structures in San Clemente, California(4 P)
• Buildings and structures in Santa Ana, California(1 C, 21 P, 1 F)

C

• Cemeteries in Orange County, California(4 P)

H

• Hospitals in Orange County, California(8 P)
• Houses in Orange County, California(25 P)

K

• Knott's Berry Farm(44 P, 1 F)

L

• Libraries in Orange County, California(4 P)

M

• Museums in Orange County, California(29 P)

N

• National Register of Historic Places in Orange County, California(66 P)

R

• Religious buildings and structures in Orange County, California(1 C, 7 P)
• Reservoirs in Orange County, California(3 P)
• Restaurants in Orange County, California(1 C, 28 P)

S

• Schools in Orange County, California(2 C, 7 P)
• Shopping malls in Orange County, California(26 P)
• Sports venues in Orange County, California(4 C, 4 P)

T

• Theatres in Orange County, California(1 C, 9 P)
• Transportation buildings and structures in Orange County, California(3 C, 5 P)

U

• University of California, Irvine buildings and structures(1 C, 3 P)

.

• California Historical Landmarks in Orange County

*

• National Register of Historic Places listings in Orange County, California

B

• Bay Theater
• Brea City Hall and Park

C

• Chet Holifield Federal Building

D

• Doheny Desalination Plant
• Dreger Clock

F

• FivePoint Amphitheatre
• Frances Packing House

J

• James A. Musick Facility
• Japanese Village and Deer Park
• Joint Forces Training Base – Los Alamitos
• Joplin Youth Center

K

• Kerckhoff Marine Laboratory
• Knott's Berry Farm
• Knott's Soak City

L

• Los Alamitos Race Course

M

• Marine Corps Air Station El Toro
• Marine Corps Air Station Tustin

O

• Orange County Sanitation District
• Orange County Water District

S

• St. Michael's Abbey (Orange County, California)
• Santa Ana Army Air Base
• Naval Weapons Station Seal Beach

T

• Trabuco College
• Trampas Canyon Dam

U

• UCI Health – Fountain Valley
• UCI Health – Los Alamitos

V

• Vedanta Society Of Southern California, Ramakrishna Monastery
• Villa Park Dam

W

• Westminster Rose Center

Y

• Yorba Cemetery