The Salt Lake Tribune reports that when residents of Parkhill Mobile Estates community discovered their landlord had sold the land to a developer to build condos, they banded together, and eventually became the Parkhill Homeowners Cooperative Association (PHCA).  The Salt Lake County Housing Authority (SLCHA) actually bought the land from the developers in 2005, and with the help of numerous non-profit organizations and governmental agencies, helped usher in ownership of the community by the residents.  Some of the residents had lived there since the community was developed in 1964, many had low-incomes, and several were elderly and frail and lived in older pre-HUD Code housing that was not suitable to be moved.  Mark Lundgren, director of the non-profit Utah Resident Owned Communities, who was involved in the negotiations, said manufactured homes are similar to cars in that their value decreases.  But, he added, home values in a resident-owned community are more likely to remain higher.