How targeted can mailers be? (Lot size, # of rooms, specific zip)

[Adam Bileckyj]

I am looking for a pretty specific residential property in a specific zip code. For example, can I send mailers to all homes in a zip code with lots of .5+ acres and 3+ bedrooms? Or do they just go out to everyone in a zip? 

[Brian Van Pelt]

@Adam Bileckyj

Yes