Extraordinary opportunity in Penn Valley: 346 Rosemary Ln has been totally reimagined by current owners. Incredible features/finishes throughout! Floor plan lends itself to both everyday, modern family living as well as larger scale entertaining. Custom kitchen w/ shaker-style cabinetry, quartz counters, pro-style appliances, and oversized island centers the main level, and is open to the living room, informal dining space, and an additional family room with gas fireplace overlooking the patio and large, flat grassy rear yard. New lower level in law/au-paire suite with full bath. A stylish, functional addition houses a walk-in pantry, mudroom and laundry w/custom cabinetry, powder room, and access to the attached, two-car garage. Upstairs primary bedroom w/ en-suite bath. 3 additional well-proportioned bedrooms, a home office and classic hall bath w/ marble vanity and tub/shower complete the upper floors. Additional attic storage as well. One of the Main Line's favorite neighborhoods, a short walk to schools, and w/ close proximity to the Main Line's premier dining, shopping, and lifestyle destinations. Award-winning Lower Merion public schools, prestigious private schools, houses of worship, and a short commute with easy highway access to world-class cultural institutions in Center City Philadelphia.