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The minimum is 36", but never less than the width of the stairway.
Tony and Suzanne Marri...
3 x 3? As I'm thinking about the size as I'm vaccuming it lol.
I believe it is 3 feet Barbara Todaro
Barbara Todaro Too late! Many correct answers here.
Actually there can be less than 36", it just won't meet code.
I've seen pretty small ones in older homes.
big enough for a big person to turn it....
I'm going with 3' YAY I made it before the answer LOL
Wayne Martin nailed this one!
Keep em coming Barbara. I'm learning a lot about construction.
I want to say three feet is the standard
Three feet may not be enough space for moving furniture.
Barbara Todaro - 3' (or 36").
Yes that is what our code is requiring, too.
I am seeing some areas requiring 40 inches