Rare opportunity in desirable Loughlin Park, Cos Cob! This unique home on a cul-de-sac offers a versatile in-law setup with exceptional space. The main house features a cozy living room with fireplace, formal dining room, and eat-in kitchen. It includes three bedrooms, with a primary suite offering a full bath, plus an additional full bath. A private in-law suite has its own living room, bedroom, full bath, and separate gas meter-perfect for extended family or rental income. The lower level boasts a huge family room with fireplace, sauna, full kitchen, one bedroom, and a full bath. Additional highlights include skylights, a walk-up attic, and a huge 2-car garage. The home offers a fantastic layout and solid bones, ready for your personal touch and updates. Outdoor features include multiple patios surrounding an enclosed patio. Conveniently located near shopping, highways, and more. A must-see for multi-generational living or investment potential!