Greenbrier Apartment homes offer charm and character in a unique setting in the best and most convenient neighborhood in San Antonio, Texas. We are just off Broadway, near Loop 410 which means you have easy access to all that San Antonio has to offer including, Downtown, the Quarry, the Pearl Historic District and the San Antonio International Airport. Greenbrier Apartments is an apartment located in Bexar County and the 78209 ZIP Code. This area is served by the Alamo Heights Independent school district.