Westchase is adjacent to Greater Sharpstown, the International District (which includes part of Chinatown), and the Royal Oaks Country Club subdivision.

[2] This entity, funded by a tax increment on businesses within its boundaries, provides branding, urban planning, and public safety functions for its constituents.

[3] More than 1,500 businesses reside in Westchase; several are associated with the petroleum industry, for which Houston is considered a major capital.

Major employers that have offices in Westchase include ABB Group, BMC Software, Chevron, Phillips 66, Dow Chemical, Petrochina, and Jacobs Engineering.

[5] In 2006 Westchase was described by John Nova Lomax of the Houston Press as suburban in nature, with a high concentration of chain stores along its major arterial roads.

[7] In 1969, Friendswood Development Company purchased a section of Smith's land to form what is now Woodlake, a residential subdivision at the intersection of Westheimer and Gessner.

Construction on Beltway 8 (the Sam Houston Tollway) through the area began in 1985 and was completed in 1988. Financing for this section of the tollway was particularly challenging, as the Texas Department of Transportation's right-of-way acquisition program coincided with the rapid development of Westchase and Sharpstown, induced by the 1970s energy crisis.

[9] In order to ensure that the highway would be built, landowners and developers in Westchase and Sharpstown formed the Beltway 8 Group, which coordinated with TxDOT to lock in property values at rates the state could afford.

[10] Legislation creating the Westchase District was passed by the 73rd Texas State Legislature and became law on August 28, 1995.

[28] Westchase is home to one of Houston's only Japanese markets, the Nippan Daido (大道日本食料品店 Daidō Nihon Shokuryōhinden).

Oak Park Campus) on 67 acres (27 ha) of land located in Chinatown and in the Westchase district.

[38] In 2009 the Westchase campus had 1,700 employees; Halliburton plans to increase its workforce at Oak Park to 3,000 workers.

[53] Station 69, located on Beltway 8, opened in 1980, after rapid area development stressed existing emergency infrastructure.

[54] The Houston Police Department's Westside and Uptown Divisions serve separate sections of the district.

[55] The United States Postal Service operates the Westchase and Debora Sue Schatz post offices in the district.

The Brays Bayou Connector, which commenced construction in 2016, will connect Richmond Avenue and Bellaire Boulevard with a 1.92-mile (3.09 km) grade-separated trail, providing pedestrian and bicyclist access to the International District and Arthur Story Park.

[79] In 2016 the city government bought 3.4 acres (1.4 ha) of land, on two plots adjacent to the library, to create a park there.