Welcome to this beautifully upgraded post-modern home on a quiet cul-de-sac in the sought-after Sachem School District. Offering soaring 10-ft ceilings with approximately 3000 square feet of living space, abundant natural light, and thoughtful modern upgrades, this 4-bedroom, 2.5-bath residence is move-in ready with excellent upside potential. The grand two-story foyer leads to open, sun-filled living spaces including a formal living room with fireplace and elegant dining room. The highlight is the fully renovated eat-in kitchen featuring white quartz countertops and waterfall island, new appliances under warranty, and seamless access to the backyard. Upstairs you'll find a spacious primary suite with walk-in closet and luxurious ensuite bath with jetted tub, plus three additional generous bedrooms. Key Upgrades Include: Tesla solar system (new roof 2023) that offsets 100% of electricity - including EV charging - for just $30/month, Smart lighting, switches & motorized blinds, Whole-home water filtration + smart irrigation, Large-format Cambridge paver patio & porch, High-efficiency heat pump water heater, 2-car garage + huge unfinished basement with recreation potential. Exceptional Location: Just 5-8 minutes to Costco, Whole Foods, Home Depot, Top Golf, Starbucks & Ronkonkoma LIRR station. 15 minutes to Corey Beach. This turnkey, solar-powered home offers the perfect blend of modern comfort, privacy, and convenience in a prime Holbrook cul-de-sac.