376 Keith Avenue, Newmarket, ON L3X 1T5

3,958 sq. ft. (MPAC), this spacious executive home features a rare 3-car garage, a beautiful in-ground pool, and an exceptional layout designed for family living. The second floor boasts three full bathrooms, including two ensuites, while the expansive primary retreat offers a sitting area and a charming Juliet balcony. Step inside to discover a grand central staircase, a dramatic front living room with soaring ceilings and a main-floor office. The finished basement adds valuable living space with an additional bedroom with 3-piece ensuite-ideal for guests, teens, or extended family. There is a cold cellar and ample storage. Perfectly situated directly across from Joe Persechini Park, you'll enjoy access to a playground, soccer field, pickleball courts, and tennis courts. Walking distance to Ray Twinney Recreation Centre and 3 elementary schools. Offered for sale for the first time in 33 years, this is a rare opportunity to purchase one of the larger homes in this sought-after neighbourhood. While the home presents an opportunity for updating, properties of this size and calibre in Glenway Estates seldom become available. Bring your vision and create your dream family home in one of Newmarket's most desirable communities.

• Inside Ontario's Greenbelt plan area — Oak Ridges Moraine Conservation Plan

  Greenbelt policy limits new development — confirm permitted uses before planning a build or severance.

  Source: Ontario GeoHub — Greenbelt Designation · as of Sep 2026

• Inside the Oak Ridges Moraine plan area — Settlement Area

  Moraine conservation policy constrains development — confirm this parcel's land-use designation.

  Source: Ontario GeoHub — Oak Ridges Moraine Land Use Designation · as of Sep 2026

Also checked, nothing flagged at this location: flood hazard mapping, conservation-regulated areas, provincially significant wetlands, the Niagara Escarpment plan, areas of natural and scientific interest, rail corridors, hydro transmission corridors.

Screened against public government mapping at this home’s location — simplified boundaries, not a survey, an appraisal or a legal determination. Confirm anything that matters with the authority named.