Vacant Lot or Land for sale by owner in Keene, NH 03431. 3.75 acre building lot in one of Keene s most desirable neighborhoods. Lot is sloping (back to front) with great southern exposure. Located on a cul de sac and shares 50 acres with other street residents to prevent further development and ensure privacy. Includes 4 bedroom septic design and permit. Gorgeous 4 bedroom log home plan has been drawn for this site and can be added to the sale.... See site for full property details.