Welcome to 227 Mason Blvd, an exceptional Staten Island residence set on an oversized lot rarely found on today’s market. Combining timeless elegance, extensive custom upgrades, a beautifully renovated private apartment, & resort-style outdoor living, this property is truly 1 of a kind. The main residence showcases a sunken living room with gas fireplace, custom wainscoting, chair rails, & crown molding throughout. The oversized dining room & custom kitchen feature premium Viking appliances, built-in Sub-Zero refrigerator, dishwasher, & custom cabinetry. A 4-season room with its own heating and AC split system, 1st-floor laundry, & plantation shutters throughout add to the home’s appeal. The 2nd floor offers 3 spacious bedrooms and 2 full bathrooms with luxurious heated floors. The primary bedroom features a custom built-in wardrobe. Additional upgrades include newer windows throughout, Pella sliding doors with integrated blinds, & a solid copper roof accent over the bay window. A tremendous bonus is the completely renovated 1-bedroom apartment, featuring a separate entrance, EIK, living room, double closets, utility room ideal for a home office, & its own thermostat-controlled heating & AC. Renovated from top to bottom approximately 4 years ago. The finished basement offers a dedicated heating system, solid wood staircase, abundant storage, and full cedar closet. The spectacular backyard is a private retreat featuring a 16’ x 32’ heated in-ground pool, Trex decking, hot tub, full paver installation, extensive landscape lighting, large storage shed, & dedicated puppy run. Additional amenities include a whole-house generator, French drain with battery-backup sump pump, sprinkler system, full security camera system, Ring security, 3-zone baseboard heating, and 2-zone central AC. An extraordinary opportunity to own a property offering an oversized lot, exceptional living space, a private apartment, & luxury amenities rarely found together. This is a must-see!