PENTHOUSE at 129 Walnut Street, Brookline is THE BEST of ALL WORLDS. A Classic Brick Rowhouse on the outside. Modern Contemporary Design on the inside. In 2026, the entire building underwent a TOTAL RENOVATION, fully restored Top to Bottom. Taken all the way down to the “studs” by a Local, Experienced Design-Build Team who Reimagined REALITY. U2, the “Penthouse Duplex,” offers 3 BEDROOMS, 2.5 BATHROOMS, across 2 Living Levels with 2,173 Square Feet. Your own PRIVATE ROOF DECK adds a bonus 250SF of Outdoor Space with Amazing City Views to Boston & Fenway. A bright CHEF’S KITCHEN features SUB-ZERO Refrigeration, WOLF Cooktop & MIELE Dishwasher. High-End Bathroom Finishes include PORCELANOSA Double Vanity, Soaking Tub, Wall-Mounted Faucets & TOTO Toilets. Located in the heart of Brookline’s Pill Hill Historic District, convenient to Brookline Village shops, Restaurants & Playgrounds. School District is the Top-Rated Lincoln School (K-8). 129 Walnut Street is part of a rare post-Civil War Rowhouse trio showcasing picturesque GOTHIC REVIVAL DESIGN. Built by George Richardson, these Brick Townhomes feature decorative woodwork & distinctive design. The Award-Winning SOUSA ARCHITECTS designed both layouts to allow buyers to “Live, Work & Play” within these inviting spaces. Floor Plan offers flexibility with Options, a feature buyers value in today’s marketplace. A perfect design that utilizes every square inch of space & delivers CUSTOM STORAGE at every turn. Builder-Developer is a local, family-owned development team with deep roots in Brookline & more than 50 years of construction experience. Known for award-winning craftsmanship, thoughtful design & a passion for historic preservation, they bring a personal commitment to quality & to the Brookline community. VISIONARY PROJECT. In Five Words, Local, Experienced, Design-Build Team. A Reimagined REALITY. Every Finish, Each Detail, Thoughtfully Curated.