How to divide a parcel of land?

[Allen L.]

I own a house on 0.77 acres that's sitting very close on the edge of the parcel, and the acreage is large enough that I think I can divide the land and sell off the land or build on it without decreasing the value of the existing structure much. Can I get a basic idea how to do this? I have never done this before so any suggestion on where to start or how long it takes or how much it typically costs are appreciated.