DEVELOPERS, INVESTORS AND CONTRACTORS......Prime Sherman Oaks location South of the Blvd! On a nearly 7,000 square foot lot, this hidden gem is ready to be recreated and reimagined. 4209 Costello is waiting for an extensive remodel/expansion with detached garage perfect for an ADU, or build a brand new construction home of your dreams. Far enough from Ventura Blvd, not to bothered by traffic or noise, but close enough to enjoy all the conveniences, with a Walk Score of 82.