Map 5 Lot 15-3 Richmond Road, #15-3, Winchester, NH, New Hampshire 03470. It's Time To Get Back To Work and Stone Mountain Business Park is Ready for Development!! New Hampshire is the best state for business friendliness according to CNBC. Is your company looking to expand? This 5 acre SHOVEL READY level parcel can be built out for many purposes. Take advantage of the New Hampshire tax advantages. If you or any business you are affiliated with is seeking expansion space with easy access to Vt, Ct, Canada, Boston or NY, this could be your best option! Other lot sizes available should so be required.