1841Architecture
The Moraga Adobe was built in 1841, and is the oldest building in the East Bay.
1888Architecture
The Orinda Park post office opened in 1888.
1895History
The post office's name was changed to Orinda in 1895.
1937History
Orinda's popularity as a year-round residence grew after the 1937 completion of the Caldecott Tunnel, which provided easier access to the west.
1985Government
Bisected by California State Route 24 and framed by its rolling oak-covered hills, the city of Orinda was incorporated on July 1, 1985.
1992History
Once a Republican stronghold, Orinda has trended Democratic since 1992.
2019History
== Government ==
As of February 10, 2019, Orinda has 14,020 registered voters, with 6,692 (47.7%) registered as Democrats, 3,176 (22.7%) registered as Republicans, and 3,662 (2...