Most residences are single-family homes, although there are some areas with condominiums, duplexes, and apartments. Single-family homes typically have one or two bathrooms and three or four bedrooms and are between and on lots typically measuring about . The vast majority were built in the 1950s through 1970s. There are pockets of older homes, mostly near downtown, often in demand for their architectural styles. There are also pockets of newer, much larger homes about , mostly built in the 1990s on subdivided lots previously occupied by homes dating from the first half of the 20th century. Most of Campbell's apartments are located in northern Campbell on Hamilton and Campbell Avenues.