Come experience exceptional indoor-outdoor living at this premium West Chester oasis. Set on a picturesque 1.8-acre property in the highly desirable neighborhood of Deer Pointe, 510 Day Spring Lane offers a unique combination of timeless design and extensive upgrades. Inside, the home welcomes you with a dramatic butterfly staircase and gleaming hardwood floors throughout the main level. Elegant formal spaces include a dining room with wainscoting, crown molding, and a bay window located across from a refined living room featuring a marble gas fireplace. The centerpiece of the home is the stunning custom kitchen, complete with granite countertops, 42-inch cherry cabinetry, a center island with breakfast bar, double ovens, a skylit breakfast room, and a new Marvin sliding door leading to the expansive Trex deck. The adjacent family room impresses with a full-length stone fireplace, cathedral ceilings, surround sound, skylights, and an upper-level catwalk overlook. Multi-generational living is definitely an option here! The first-floor office/den can also function as an in-law suite, which includes a full bathroom. With four fireplaces throughout, including a luxurious two-sided marble fireplace in the primary suite, which includes an impressive sitting room and en-suite bathroom, the home offers warmth and character at every turn. The upper level also features another sizable bedroom with a full bath and two additional bedrooms sharing a Jack-and-Jill bathroom. The finished lower level provides incredible flexibility with a fifth bedroom or private in-law suite featuring its own entrance, full bath with double vanity, custom cabinetry, and a living space with a gas fireplace. The basement also includes an additional office, playroom, and exercise space. Outdoor living is equally exceptional. Spend your next Summer entertaining or unwinding on the 16x36 low-maintenance Trex deck with lighting and under-deck storage. A 20x40 gunite pool, including a spa, bench seating, and updated electrical and mechanical components, is the centerpiece of a resort- style backyard. The fully equipped pool house includes its own HVAC, powder room, family room, and separate security system—along with a covered patio, trellis, outdoor shower, and floodlighting. The rear of the pool house includes a 2-car garage with a massive work space perfect for car enthusiasts or specialty hobbies. This meticulously maintained home is truly move-in ready, with a full exterior renovation in 2023 featuring Hardie Plank siding, Marvin Elevate windows, new doors, soffit, fascia, gutters, and Gutter Helmet—backed by a 10-year workmanship warranty. The main house and pool house roofs were replaced in 2017 with a 20-year transferable warranty, and all major systems have been thoughtfully updated. Additional highlights include dual-zone HVAC, two water heaters, two ADT security systems, a 5-car garage setup (including the pool house garage), and neutral décor throughout. Ideally located within the highly rated West Chester school district, 510 Day Spring Lane offers convenient access to Route 202, Philadelphia International Airport, Delaware, and an array of shopping and recreation, this property delivers both luxury and lifestyle in one of Chester County’s most desirable settings.