Extraordinary Hayes Valley development opportunity offers approved plans for 3,208 sq. ft. of living space with 2-car pkg; contemporary systems; and open space access. Currently a 2-story 3 BD + DEN, 3 BA, 1,998 sq. ft. single-family home, 537 Grove offers approved plans for a grand 2-level main home with 2,387 sq. ft. of living space and a garden-view 1 BD, 1.5 BA garden-level home on a 1,846 sq. ft. lot. Concepts for an optimized 3-4 BD/3.5 BA configuration are available, though not yet approved. Buyer has flexibility for finish grade, amenities, and to balance the classic facade with contemporary design, all with a prime location, tree-lined Hayes Valley street. Adjacent 440 Ivy parcel is also available as a vacant lot.