The 28-year-old main building on 5.5 acres in Centereach will increase to 72,000 square feet from 52,000.
These buildings would increase Bethlehem's public housing stock to more than 1,400 units.
The buildings increase in architectural simplicity as one moves southward down the road.
The building will cost $270 million and increase the space to 370,000 square feet.
The new building increased square footage from 5,000 to 8,000.
But there is a common belief that low-rise building will increase the urban sprawl.
Land and buildings, for example, may often increase in value depending on local real-estate conditions.
Most private and public buildings have increased security anyway, a welcome move for groups that maintain collection points in large gathering places.
Equipment purchased for the new building increased the total cost to over $1 billion.
The building of logging roads has also increased erosion in the watershed.