'residential blocks' is correct and can be used in written English.
For example, "The residential blocks in this neighborhood offer a variety of amenities for residents."
Some residential blocks are half-empty.
Previously unidentified townhouses and residential blocks are located.
So much for the politics — and ethics — of superdense urban residential blocks.
"We'll have to live in residential blocks and find jobs, or work construction.
Even late this afternoon, the collapsed residential blocks were still smoldering, witnesses said.
The park serves as a barrier against through traffic, diverting cars away from residential blocks.
The mistaken civic belief in basements of residential blocks, connected with through holes, as improvised shelters.
The main residential blocks to the east of the arena lacked the architect's signature ebullience.
Key areas include the use of cladding in residential blocks and the training of firefighters.
On either side of the road stand the shells of half-built residential blocks.
Broad Channel has a wildlife refuge and 20-some residential blocks of mostly single-family home.
