Detached - Vista, CA

Extra cool single level home that has potential galore! .4 Acres of useable land in an extra great area of Vista. Approx 400 sq ft of Walk-In Basement is not in the tax rolls sq ft, but is dying to be converted into a legal ADU\/ Granny Flat (Jr ADU?). Or, build a 1200 sq ft ADU (Max allowed) in the backyard (Plenty of Room\/ Pool?). Maybe both? Skies the limit! All info to be verified by ALL parties before the close of escrow. Please, do not disturb occupant. ONLY contact listing agent. Thank you.