Such housing has, despite some notable failures, provided the best available homes for families of low income.
Water/sewer and electricity became available to most homes in 1974.
In addition, having two homes available increases the chances that someone will want to swap at least one of them - or, perhaps, both.
Once work is complete there will be 555 new homes, available by mixed tenure.
With so few smaller homes available, many will not even have that choice.
With little new construction and a generally low turnover, Garrison tends to have few available homes.
He said there were 1,030 available foster homes, down from 1,100 last year.
The homes still available are priced from $480,000 to just over $1 million, according to Hovnanian.
The number of homes available for sale at the end of January was up 35.7 percent from a year earlier, to 2.91 million.
In the same area is, finally, one of the two homes available to the institute for the accommodation of students.