National Register of Historic Places in San Joaquin County
The town of Woodbridge is historically significant as an early transportation crossroads and as the site of an important ferry over the Mokelumne River. The IOOF Hall is one of three architecturally significant buildings remaining in Woodbridge.
The building was originally the Lavinsky Store, a one-story brick building erected in 1861. The structure was remodeled in 1874 to house the Independent Order of Odd Fellows in a second-story addition.
Architecturally, the IOOF Hall is typical of brick buildings erected throughout the American West, buildings with commercial space on the ground floor and meeting space above for fraternal orders. Fraternal orders played an important role in the early settlement period. The Independent Order of Odd Fellows was one of the most important of these fraternal orders.
Adapted from the NRHP nomination submitted in February 1982.

The Independent Order of Odd Fellows (I.O.O.F.) is an altruistic fraternal organization derived from the similar English Oddfellows service organizations which came into being during the 1700s....Although in Britain the Odd Fellows tended to meet in pubs, in the U.S. the lodges often built their own facilities. Many of these are now on the U.S. National Register of Historic Places....
From Wikipedia entry for Independent Order of Odd Fellows
Historic IOOF Buildings in California
Arbuckle, Arroyo Grande, Big Oak Flat, Bloomfield, Colusa, Copperopolis (1874-1903), Copperopolis (1903-1939), Coulterville, Etna, Eureka, Farmington, Ferndale, Forest Hill, Galt, Georgetown, Geyserville, Hanford, Jenny Lind, Knights Ferry, La Grange, Live Oak, Mokelumne Hill, Murphys, Nevada City, Oakdale, Orland, Point Arena, Quincy, Red Bluff, Roseville, Sebastopol, Snelling, Truckee, Wheatland, Woodbridge, Woodland, Yreka
Historic IOOF Buildings in Nevada
Austin, Gardnerville, Nevada, Yerington
Historic IOOF Buildings in Oregon
Ashland, Coquille, Gold Hill, Klamath Falls
Historic IOOF Buildings in Utah