Big family plans deserve a home with this much room. Welcome to 123 Hidden Trail Avenue in prestigious Mill Pond in Richmond Hill-an extensively renovated 4+1 bedroom and 6-bathroom residence with 3,598 sq ft above grade plus a beautifully finished basement [2022]. The grand entrance with 17-ft cathedral-ceilings and new custom entry door sets the tone for spacious interiors! Nestled on a South-West side lot, this sun-filled home features engineered hardwood on the 1st and 2nd floors; pot lights; custom bathrooms; smooth ceilings; automated blinds; modern chef's kitchen with full-height cabinetry, clever pantry storage, pull-out organizers, a waterfall island/breakfast bar, quartz & quartzite countertops & a gas cooktop with pot filler; elegant dining area with built-in cabinetry; stylish sunken formal living room with 9 ft ceilings; large main-floor office; main floor laundry; direct garage access! Upstairs, you'll find 4 spacious and bright bedrooms & 3 full bathrooms finished with custom cabinetry & quartz countertops! The primary 6-pc ensuite pairs a freestanding tub with a natural-stone double vanity and an oversized frameless glass shower. Downstairs, bright entertainment space, egress windows & ample storage create another place to gather. A spacious guest suite with a walk-in closet and 4-pc ensuite bath makes longer visits feel effortless, while a separate 2-pc powder room serves the recreation area. Summer living is perfect in south-facing backyard featuring expansive two-level composite deck. Professionally landscaped with interlock & custom stone walkways. Newer equipment: furnace & heat pump [2024]; windows [2018]; R60 attic insulation [2024]; 200-amp service; roof shingles [2018]; a video doorbell; an extra-height 2-car garage with new doors & smart openers. Borders onto a small and quiet elementary school that feeds into the number one ranked high school in the province.Desirable and established neighborhood, just steps to Yonge St.Move-in ready home!