Q: What is a dwelling? (§ 1002.14(c))
A: A dwelling is a residential structure that contains one to four units whether or not that structure is attached to real property
. The term includes, but is not limited to, individual condominium units, mobile homes, and manufactured homes.
This can be found in the CFPB's ECOA Valuations Rule, Small Entity Compliance Guide - http://www.consumerfinance.gov/regulatory-implementation/