171 Jefferson Road offers gracious living in a tranquil sycamore tree-lined neighborhood just a short walk from Princeton town center, Princeton Shopping Center, University, High School, elementary and middle schools. This circa-1930s 4 bedroom, 2.5 bath 1950 sq. ft. half-duplex home has three floors of living space and tall ceilings throughout for plentiful air and space! The residence has been stylishly reimaged by the award-winning Garretson Builder team. Recent upgrades include a private third-floor bedroom/bathroom or office suite with cathedral ceiling, a modern kitchen with cherry cabinetry, granite countertops, breakfast nook, stainless steel built-in appliances and washer/dryer, expanded or improved bathrooms, refinished hardwood floors, contemporary light fixtures, updated door hardware throughout, and Baldwin smart-key entry sets. Infrastructure features all-new black-accent Marvin windows, new asphalt shingle roof, central AC, cast iron radiator heat, gas fireplace, front and rear covered porches, shared two-car detached garage, and a quiet shared back yard with fresh plantings. A neat but unfinished full basement features ample storage space, French drains with battery backed-up sumps, a modern electrical panel, and secure steel Bilco doors with a walk-out to the grassy back yard and garden.