121 N Post Oak Lane 505 Experience the pinnacle of luxury and privacy at the prestigious Houstonian Estates. Unit 505 is a sprawling, 5th-floor sanctuary spanning 2, 335 sq. ft., plus two balconies (approx. 5 ft x 17 ft) offering serene treetop and resort-style pool views. This residence presents a rare opportunity to remodel and customize a massive blank canvas into your dream home. The floorplan features a spacious formal living room with a private balcony, a formal dining room, and an enclosed kitchen with its own secondary balcony. The primary suite offers the unique luxury of two separate en-suite bathrooms, complemented by a large second bedroom and a third full bath. Enjoy a world-class, lock-and-leave lifestyle with: Service: 24-hour concierge, security, and valet parking (plus 2 assigned spaces). Wellness: Rooftop fitness center, heated pool, spa, basketball, and tennis/pickleball courts. Outdoors: 3.5 wooded acres featuring a dog park, grilling areas, and a private walking trail.