Studio Apartments For Rent Under 1399 In Orange County . 799 studio rentals available in orange county. Each apartments.com listing has verified information like property rating, floor plan, school and neighborhood data, amenities, expenses, policies and of. Rent Cheap Apartments in Orange County from 899 RENTCafé from www.rentcafe.com Each apartments.com listing has verified information like property rating, floor plan, school and neighborhood data, amenities, expenses, policies and of. See floorplans, pictures, prices & info for available studio apartments in orange county, ca. Official orange county apartments for rent under $1300.