OPPORTUNITY KNOCKS! This immaculate, heavily expanded quad-level in highly sought-after Andrew Highlands is back on the market-and it comes with a massive, rare upgrade. The seller has an approved, fully covered insurance claim for a BRAND-NEW ROOF, NEW SIDING, AND NEW WINDOWS starting in just a few weeks! Write an offer now, and you can even pick the exterior colors to truly customize your curb appeal at no extra cost, giving you complete peace of mind with zero major exterior maintenance needed for years to come. Nestled on a quiet street, this spectacular property offers a massive, versatile layout. While official records only show above-grade space, the true finished living footprint stands at nearly 2,700 square feet when including the massive, fully finished lower level. Step inside to an expansive, sun-drenched main level featuring soaring vaulted ceilings and gleaming hardwood floors that flow seamlessly from the spacious living room into the formal dining area. The heart of the home features an open kitchen that leads directly into a massive, 19x15 four-season sunroom addition, serving as the ultimate sun-soaked sanctuary. Step out onto your oversized custom backyard deck built in 2023, complete with a premium outdoor natural gas grill that stays with the home. The brilliant architectural footprint evolved into a spacious four-bedroom masterpiece. Take a short flight of stairs up to a completely private, spectacular third-floor primary suite addition. This massive 19x18 oasis features its own dedicated sitting room, an oversized walk-in closet, and a luxurious spa-like bathroom complete with a custom five-foot walk-in shower. The three additional bedrooms are generously sized with excellent closet space and share a second pristine full bath. The lower level is equally impressive, featuring a complete sub-grade remodel finished in 2023 that offers a sprawling 22x19 family room anchored by a cozy fireplace. Everything has been meticulously maintained for total peace of mind, boasting a brand-new lineup of stainless steel appliances (refrigerator, stove, microwave, dishwasher, washer) alongside updated mechanicals, high-efficiency HVAC, and heavy-duty water management systems. Located in a premier Tinley Park pocket with top-tier schools, parks, dining, and easy commuter access, this expanded home handles a growing family with absolute ease.