In an endeavor to construct what it phone calls attainable housing, real estate powerhouse Hines plans to establish 2,100 houses on virtually 1,000 acres in Brazoria County.  The task comprises 954 acres that Houston-centered Hines and its lover,  Canada-centered serious estate organization Trez Capital, not long ago acquired in Iowa Colony, about 30 miles south of Houston. The land is off Texas 288 near the prepared extension of the Grand Parkway, which would connect the far south suburbs. Attainable housing, according to the industry’s conventional definition, is inexpensive for households making the area’s median cash flow. Household charges at the community are anticipated to range from the $300,000s to over $700,000, in…