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21 Rennie Ave
Markham, ON L6B 0M9
21 Rennie Ave, Markham — Listed at $1,699,000. 5 bedroom, 5 bathroom 2-Storey. MLS® N13448426.
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Description
4 large bedrooms + Over 4500 sqft Living Space + Finished basement + Hardwood flooring throughout + Stained staircase with iron and metal pickets + Pot lights throughout + Updated light fixtures + Interlocking all around (2022) + Reverse osmosis system (2019) + Water softener + EV Charger Rough-In (46 amps) Welcome to this stunning 4+2 bedroom home with a finished basement (2022), designed with space, elegance, and functionality in mind. Featuring a double door entry and 9-foot ceilings, this home offers a sunken library that can easily be converted into a fifth bedroom - perfect for growing families or a home office. The grand 17-foot soaring ceiling in the family room creates an impressive open-to-above space filled with natural light. The renovated kitchen boasts quartz countertops, large tiles, ample cabinetry, and a spacious breakfast area ideal for everyday living and entertaining. Upstairs offers four generously sized bedrooms with three full bathrooms, including a luxurious primary retreat with doublesinks, a large glass standing shower, and walk-in closets with built-in shelving. Near top york region schools. Minutes to hwy 407, Walking distance to Walmart, Longos, major banks, restaurants, rexall pharmacy. Please See Attached Feature Sheet.
Property Details
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Listing Courtesy of: RE/MAX REALTRON REALTY INC.
MLS® #N13448426


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HouseIndex Take: 21 Rennie Avenue
This detached (2-Storey) is located in the Box Grove neighbourhood of Markham.
The home offers 5+1 bedrooms, 5 bathrooms.
Features include a finished, full basement, 4 parking spaces including a 2-car garage, a fireplace.
Additional details: lot dimensions of 45.98 × 91.81 feet.
Listed at $1,699,000 CAD with annual property taxes of $7,218.85 (2025).
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About Markham Real Estate
This Detached is located in the Box Grove community in Markham. Markham is a tech and innovation hub in York Region, home to IBM Canada, AMD, and hundreds of startups along Highway 7. Unionville Main Street offers heritage charm, while newer communities in Cornell and Cathedraltown provide modern family living. The city consistently ranks among the safest in Canada with top-performing schools. Detached homes in Markham are in high demand among families seeking space, privacy, and long-term equity growth.