10470 Stanyan Street Custom Builder's Personal Masterpiece! Nestled in prestigious Thornberry, this elegant estate blends timeless Mortise & Tenon craftsmanship with modern luxury. The grand 2 story entry foyers welcomes you and is flanked with a banquet-sized Dining Room and an Executive Study with cherry built-ins. The main level features a vaulted Great Room with floor-to-ceiling stone fireplace, a wet bar, and french doors leading out to the large deck. The Chef's Kitchen is a dream with south-facing windows, white marble counters, Sub-Zero/Thor appliances, and a butler's pantry. Retreat to the sound-insulated Main-Level Primary Suite, featuring a large walk-in closet, french doors to the deck, and a spa-bath with radiant heated floors, a whirlpool tub, and a dual-head travertine steam shower. Upstairs, the "spoke and hub" design offers three oversized bedrooms and a loft. The Ultra-Luxury Terrace Level is built for entertaining: Professional Theater (5.1 sound/projector), Wine Cellar, Gym, Game Room, and Billiards Room. Eco-Conscious & Tech-Forward: 4-zone hydronic radiant floor heating throughout, Buderas Hydronic boiler, Rainwater Harvesting system for irrigation, and a 4-zone central speaker system. Recent upgrades: New roof/gutters, refreshed patio with outdoor speakers, and Smart indoor/outdoor lighting. This neighborhood features well kept amenities, including pool, clubhouse, tennis and pickleball courts, and playground! Minutes to GA-400, Avalon, North Point Mall, and Country Club of Roswell. Experience unparalleled quality in this one-of-a-kind Alpharetta sanctuary!