Set on a picturesque 5,820 sq ft corner lot off Remsen Rd, this sun-drenched colonial was taken down to the studs and masterfully rebuilt with exceptional structural care. Offering 2,750 sq ft of virtually new construction within the highly acclaimed Floral Park-Bellerose School District. Inside, experience 2,750 sq ft of brand-new construction featuring all-new heavy-up electrical, key upgrades include all-new heavy-up electrical, modern plumbing, high-efficiency HVAC with central air (CAC), energy-efficient windows, a brand-new roof and siding, and double insulation for supreme quiet and thermal efficiency. Walking through the entry, you're greeted by pristine white oak floors that lead past a cozy gas fireplace, a bright sunroom, and a formal dining room into an expansive open kitchen equipped with premium quartz counters, a dedicated food pantry, and a stylish half bath. Step outside to a private paver patio and an attached, EV-charging-ready 2-car garage. *Select photos demonstrate an optional alternate main floor layout available through the builder (including wall extension and pocket door modification). Renderings are virtually renovated/staged for conceptual purposes. Refer to the 'Current Living Room Layout' floorplan for existing conditions.* Upstairs, the intelligent layout includes an oversized primary suite featuring a large walk-in closet, a secondary closet, and a luxurious en suite bath. Three additional sizable bedrooms provide ultimate flexibility for a growing family or dedicated home office spaces, complemented by a large hall bath, a deep wall of storage closets, and a dedicated upper-level laundry room. An insulated pull-down attic provides extensive additional storage. The expansive footprint continues into the fully finished basement that adds an additional 1,000 sq ft of space, complete with recessed lighting, durable porcelain woodgrain tiles, an egress window, a full bathroom. It offers endless flexible space to outfit a private media den, game room, home gym, or guest suite. 78 Ontario Rd offers the rare luxury of peak transit convenience without a shred of commuter noise. Tucked away on an exclusive, non-through street with absolutely zero cut-through traffic or commuter parking, this peaceful pocket offers a distinct "private gated community" feel where neighbors leisurely walk their dogs and know each other's names. Enjoy being situated on one of the last remaining blocks with full Village amenities, a quick 10-minute walk to the LIRR (35 min to NYC) and minutes from Jericho Turnpike, yet completely insulated in a quiet, low-traffic suburban oasis. Close to LIJ Medical Center, NYU Langone-LI, North Shore Univ. Hospital, Adelphi Univ. & Hofstra Univ. Minutes to Belmont Park, Belmont Park Village luxury shopping & dining, and the newly redeveloped Belmont Park Racetrack, scheduled to reopen Sept. 2026, and USB Arena.