SacDigs.com - Online rental and roommate search for the area. Free to list, fee to search, and membership. - http://www.sacdigs.com
NetRent - Vacancies of single family dwellings, duplexes, condominiums, and small apartments. A place for landlords to list their vacancies. - http://www.netrent.com/
Adagio Apartments - Features and floorplans for Mediterranean-style luxury apartments. - http://www.adagioapts.com/
Sacrentals.com - Rental list of available homes, and apartments. Photographs inside and out. Maps, rental prices. - http://www.sacrentals.com