​Old Towne Preservation Association, a public benefit non-profit organization, was established in February 1986 to preserve, protect and enhance Old Towne Orange, California.

​This one square mile area contains more than 1,400 structures built before 1940. In 1997, Old Towne Orange became a national historic district and was placed in the National Registry of Historic Places. This makes it the largest residential historic district in the State of California.

OTPA works to maintain the historic integrity and  economic viability of the area through education, community involvement, and service projects which support the concerns of Orange residents to maintain this neighborhood for future generations.
Old Towne Preservation Association
P.O. Box 828
Orange, CA 92856
714-639-6840
Info@OTPA.org
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