Broker of Record is Stuart Falkin. In-House Buyers Agent is Jo Guevara. Abrego Development Company has two acreage, single-family communities in Wilson County, which is southeast of San Antonio. Easy commutes to military bases. Buy a homesite and build now or later. Custom homes ready now for move in. Buy a completed home or select a homesite and build from scratch. We work with custom home builders who can build your dream home!