In the 1970s,
Standard Insurance Company developed a large tract of land along the Sunset Highway near 185th Avenue. The name of the development is a hybrid of
tenas from the
Chinook Jargon and the Middle English term
bourn. In 1983, the county approved a master plan created by Standard to develop at Tanasbourne. Hillsboro annexed much of the Tanasbourne area in 1987. The mall was never expanded. Hillsboro started working to designate the area as a town center within
Metro's planning framework in 1996.
The Streets of Tanasbourne lifestyle shopping mall opened along
Cornell Road in October 2004 after original approval for the project in 2000. An Oxford Suites Hotel and a Candlewood Suites were also planned along Cornell Road at Aloclek Drive.
Tanasbourne Mall In 1974, construction began on a $6 million shopping mall to be named Tanasbourne Town Center, located on the east side of Northwest 185th adjacent to the
Sunset Highway. This two-story, mall was completed in 1975 by owners
Standard Insurance. The original tenants included a library, a day care, professional offices, A
TriMet park-and-ride lot was constructed adjacent to the mall. Tanasbourne Town Center also had an official alternative name of Tanasbourne Mall, which was commonly used by the public. In 1988, plans called for developing a shopping area around the mall that would have more than , including the mall. The mall would also be renovated as part of the plan that included Standard selling part of their development, including the mall, to Pacific Rim Development Corporation. Many of the mall's tenants, such as anchors
Safeway and
PayLess Drug (now
Rite Aid), moved to the newer shopping center, creating vacancies in the enclosed mall. and replaced with an outdoor shopping center that includes
Target. One of that shopping center's original anchors was a
Mervyn's, but it closed in 2006, with the space then divided for use by two smaller stores. ==Features==