Charming Duplex-Style Colonial in Mamaroneck's Harbor Heights Neighborhood. This beautifully maintained duplex-style apartment lives like a single-family home, ideally located on an oversized corner lot in the coveted Harbor Heights neighborhood. Nestled on a quiet dead-end street just blocks from Warren Avenue Park, this residence offers over 1,300 square feet of thoughtfully designed living space across two levels. The main level features an inviting entry foyer/sunroom, a spacious living room, and a flexible dining room or den. The bright eat-in kitchen includes a powder room and provides direct access to a private deck and beautifully landscaped backyard-perfect for relaxing or entertaining. Upstairs, you'll find three comfortable bedrooms, a new full bathroom, and a walk-up attic offering ample private storage. The lower level includes a finished bonus area and utility room, ideal for recreation, a gym, or a home office. Additional highlights include: Gleaming hardwood floors throughout, abundant street parking, basement storage and laundry. Enjoy the convenience of being just minutes from Metro North (under 40 minutes to NYC) and Mamaroneck's vibrant downtown-home to charming shops, restaurants, entertainment, Harbor Island Park, and more. Tenant is responsible for all utilities (gas heat/hot water, electricity, gas, electric, water. No pets please - no smoking.