Attention Builders & Renovators! Prime opportunity in Old Thornhill. This stunning 68' x 257ft lot is ideal for a custom-built home, surrounded by mature trees in a highly sought-after location with no sidewalk. A permit application has been submitted to the City of Markham for a 6,000 sq. ft. two-story detached home with two separate legal basement units. All related permit documentation including grading and site plans, surveys, arborist reports, and architectural, structural, and mechanical drawings has been completed. The existing 4-level side split features 5+3 bedrooms, 3 baths, a separate entrance to the basement, and 2 laundry rooms (main floor & basement), offering great potential for an in-law suite. Enjoy laminate flooring, a main-floor family room with a fireplace, 2 walkouts to the deck, and an inground concrete pool. Located on a quiet street in a prestigious neighborhood. Don't miss this incredible opportunity!