In each time, Hill Valley was the basement of some realty agency.
1955[]
- J.D. Armstrong Realty, an agency that took advantage of the tension of the Cold War to sell fallout shelters.
1985[]
- Kaven Realty, an agency that tried to sell the building of the closed Al's Tatoo and Art Studio.
- Pedro Zapata, Real Estate
1985A[]
- BiffCo Realty, a part of BiffCo Enterprises that owned Lyon Estates. After Marty McFly burned the Grays Sports Almanac in 1955, the timeline was restored and this realty agency not only ceased to exist but never had existed.
