Phoenix is looking to sell eight city-owned lots in Sunnyslope and asking developers to submit proposals for mixed-income housing. The city has divided the parcels into two packages. The first package, near Fourth Street and Dunlap Avenue, is appraised as $625,000. It’s zoned for apartments, condos and single-family homes. The second package, near Third Street and Dunlap Avenue, is listed at $470,000 and zoned commercial.