Welcome to 21 Nassau Street, a renovated 4-bedroom, 2-full-bath home offering approximately 1,692 SF on a 0.26-acre lot. The first floor features a living room with gas fireplace, dining room, renovated kitchen, bedroom, full bath and versatile playroom/mudroom, with hardwood floors in the main living areas. The kitchen was renovated in 2023 and includes newer refrigerator, range, dishwasher and washer/dryer. The furnace was replaced in 2023. First-floor living spaces, bedroom, bath and playroom were renovated between 2014-2016; the second floor, including three bedrooms and full bath, was renovated in 2018. Additional improvements include a 2018 roof and HVAC system. The second floor also includes laundry for added convenience. Outside, the extra-deep backyard features a firepit and playground, with a one-car garage and driveway for parking and storage. Located within walking distance of North Haledon Recreation Fields and Library, and near High Mountain Park Preserve, Franklin Lakes Nature Preserve, local restaurants, grocery stores, highways and daycares. A well-maintained home with extensive updates, flexible living spaces and a generous backyard.