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How many square feet in an acre?

Darryl G

43,560 is correct, but in real estate, for some strange reason, they use 40,000. So in a half acre zone, the lots are 20,000 sq feet.


LawnSite Fanatic
Flint, Michigan
I think it's because they take out an average mean for structure space. This leaves the amount (approximate) of property that is open on a lot.