Grand Mass Ave Heights residence on private street surrounded by parkland. Bright and airy, renovated interior with five fireplaces and many elegant details throughout. Main level features grand-scale formal living and dining rooms, study, & spectacular south-facing kitchen/family room with 10' ceilings and walkout to attractively landscaped, private back garden with pool and stunning parkland vistas. Upstairs is an expansive owner suite with sitting room & two full bath/dressing rooms plus four additional generously-proportioned bedrooms, each with en suite baths. Spacious lower level with additional family room, wine cellar, nanny suite. Walkable to WIS, Maret, & the Cathedral schools, minutes to Rock Creek Parkway and Downtown Washington.