Benson house

 is one of the four buildings in Minefield - the others are: Gibson House; Gillian House and Zane House.

Getting in
The door to the house can be opened with the Ridgefield Gate Key carried by Arkansas, the sniper located in the destroyed building in Minefield. Otherwise you can try picking the "Locked:Hard" lock.

Notable loot
In the lounge:
 * Pre-War Book: On the shelves

In the master bedroom:
 * Pre-War Book
 * D.C. Journal of Internal Medicine