Welcome to 521 Charles Ave in the desirable South Western School District. This well-maintained 4-bedroom, 2.5-bath home offers an impressive combination of indoor comfort, outdoor living, and modern smart-home technology. The spacious kitchen features granite countertops, a center island, under-cabinet lighting, and plenty of workspace for everyday living and entertaining. Luxury vinyl plank flooring runs throughout much of the home, while the first floor provides valuable additional living space, including a dedicated office area perfect for working from home and a fourth bedroom. The primary suite offers vaulted ceilings, a walk-in closet, and a private bath, while the convenience of top-floor laundry makes daily life easier. Technology enthusiasts will appreciate the extensive smart-home upgrades, including Ethernet wiring throughout much of the home, smart lighting controls, a Smart Ecobee thermostat, USB charging outlets in most rooms, integrated surround sound speakers, and a smart garage door opener with battery backup and remote access capabilities. Outside is where this property truly shines. Enjoy a large composite deck overlooking a fully fenced backyard that backs to trees for added privacy. The covered patio/gazebo creates an outstanding outdoor entertaining space complete with lighting, power, Ethernet connectivity, and smart exterior lighting, making it the perfect place to relax with friends and family throughout the year. Additional upgrades include pre-wiring for exterior security cameras, built-in charging stations for electronics, whole-home networking infrastructure, and integrated audio throughout the home. Additional features include a one-car garage, driveway parking, and a convenient location just 2.8 miles from Codorus State Park, 1.2 miles from grocery shopping, and less than 7 miles from the Maryland/Pennsylvania line. A fantastic opportunity for buyers seeking space, convenience, privacy, and a level of smart-home functionality rarely found in this price range.