Susan and Peter's house is 3 miles down the road, at 633 Fred Snow Road, Becket, MA 01223. It is in a development called Becket Woods. You can find the house on Google Maps.
Here are some ideas for accommodations:
One idea is to rent something through VRBO, which might get you very near to Fred Snow Road in Becket: https://www.vrbo.com/vacation-rentals/usa/massachusetts/berkshires/becket?sleeps=4-plus&from-date=2017-10-06&to-date=2017-10-09
Or AirBnB: https://www.airbnb.com/s/Becket--MA?s_tag=3C_ENE3z&allow_override%5B%5D=
B&Bs (and some hotel/motels) in the nearest towns:
Lee (15 minutes to Becket; an old New England town. Not as rural as Blandford, Sandisfield or Otis.)
Stockbridge (20 minutes from Becket House) & South Lee (on the road toward Stockbridge)
Otis (10 minutes from Becket)
Sandisfield (20 minutes from Becket)
Blandford (20 minutes from Becket)
Lenox (20 minutes from Becket)
Pittsfield (30 minutes away; this is the Berkshires' "big city")