[lulzury]

> often done by crews of questionable immigration status; for sure Spanish is the primary language used

Put directly, it seems like housing is subsidized by the use of underpaid, disenfranchised, often exploited undocumented immigrant labor

[quantified]

Not particularly unique to Texas.

[silverquiet]

Nor to the construction trade, but it does seem really prevalent in South Texas for obvious reasons both recent and historical.