The community of Bellaire began in the early 1900s, on the outskirts of Houston. A Bellaire resident has kindly shared some historical documents and maps.
The first subdivision, Westmoreland Farms, was laid out in 1909, by the South End Land Company, W. W. Baldwin, President.
Westmoreland Farms, 1909, First Subdivision
By 1910 the subdivision was amended to include addtional land to the north and west.
Westmoreland Farms, 1910, Amended First Subdivsion
In 1912 a Second Subdivision of Westmoreland Farms was added “immediately west and adjoining the amended first subdivision of Westmoreland Farms”.
Westmoreland Farms, 1912, Second Subdivision
The last map is dated 1922, for the Third Subdivision of Westmoreland Farms. Note the location of Brays Bayou.
Westmoreland Farms, 1922, Third Subdivision
From a 1950 Gulf Oil City of Houston Map
If anyone has maps, plats, or documents on Bellaire’s history they would like to share please contact me at bellairebcc@gmail.com. I’ll be happy to add them. Thanks!
Bellaire newpapers from the 1940s on are available via The Portal to Texas History. The Portal is hosted by the University of North Texas and is a repository of thousands of documents.
Construction on the new Bellaire High school is complete. The original building was demolished during the week of July 13-17, 2021. 
FEMA imposes requirements for new structures and limits on existing structures in flood zones. Check with Development Services for more information,
