Spawning structures on a Grid?

Spawning structures on a Grid?

Is it possible to spawn structures on a grid?

I don't know coding, so I'd rather figure it out with procedures if it's possible.

Here's an example as to what I mean, generating it in a sort of way that a city would be like.

I'll use [B] for a building and [  ] for a road.

[B] [  ] [B] [B] [B]

[  ] [  ] [  ] [  ] [B]

[B] [  ] [B] [B] [  ] 

Basically, you'd just generate building in a grid pattern, either a building, or an empty space and that would pretty much do it.

Is this possible?

(Also, if this is possible is it also possible to generate different building structures?)