Welcome to 18 Hayfield Crescent, an upgraded 4-bedroom home offering 3,700 SQFT of refined living on a premium lot along a quiet, sought-after crescent in Richmond Hill. Rich hardwood floors, crown molding and natural light set a move-in-ready tone on the main level with 9ft ceiling, where a stylish powder room features a floor-to-ceiling backsplash. The heart of the home is an open-concept kitchen finished with quartz countertops, a central island, custom cabinetry, a matching quartz backsplash and an undermount sink beneath a sunlit window overlooking the garden. Updated with a gas stove and newer appliances (~2 years), it flows into a spacious living area and a dining room anchored by a porcelain floor-to-ceiling fireplace, with a walkout to the patio and private, fenced backyard. An oak staircase with wrought-iron pickets adds timeless character. Upstairs, four generous bedrooms include a serene primary retreat with a spa-inspired ensuite featuring an extended Corian vanity and matte black fixtures, plus a stylish second bath with a charming porthole window; windows and patio doors were replaced 2022, also new blinds throughout. The showpiece is the professionally finished lower level, set on a DriCore raised subfloor for a warm, dry feel and built for entertaining. A wet bar with beverage center dazzles with a waterfall-edge quartz island, glass-front display cabinetry, a built-in wine fridge and full backsplash, while a floor-to-ceiling marble-look wall frames a second linear fireplace. A games zone with a custom shiplap dartboard wall, a workout room and hidden storage under the stairs complete the space. Pre-wired Ethernet Cables. Added perks: no sidewalk in front, no neighbor on one side and a private side yard, the family's favorite spot to relax. A new garage door(2026) and roof(2017) add peace of mind. Within the coveted St. Theresa of Lisieux and Richmond Hill H.S zones and minutes to parks, transit and shopping. A turnkey home that has it all.