Proudly Canadian
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 1 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 2 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 3 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 4 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 5 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 6 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 7 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 8 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 9 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 10 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 11 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 12 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 13 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 14 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 15 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 16 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 17 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 18 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 19 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 20 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 21 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 22 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 23 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 24 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 25 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 26 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 27 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 28 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 29 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 30 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 31 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 32 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 33 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 34 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 35 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 36 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 37 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 38 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 39 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 40 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 41 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 42 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 43 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 44 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 45 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 46 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 47 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 48 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 49 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 50 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 51 of 52
Detached for sale at 21 Rennie Avenue, Markham - 5 bedroom, 5 bathroom - Photo 52 of 52
1 / 5249 locked
Active

$1,699,000

21 Rennie Ave

Markham, ON L6B 0M9

21 Rennie Ave, MarkhamListed at $1,699,000. 5 bedroom, 5 bathroom 2-Storey. MLS® N13448426.

5Beds
5Baths
3000-3500sqft
2-Storey
4Parking
$7,218.85 (2025)

What's this home worth?

Get a free estimate for 21 Rennie Ave

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

Property TypeDetached
Style2-Storey
CommunityBox Grove
Rooms14+3
Kitchens2
Washrooms5
Square Feet3000-3500 sqft
Lot Dimensions45.98 × 91.81 ft
Fronting OnWest
Dir/Cross StNinth Line & Copper Creek Dr
Garage TypeBuilt-In
Garage Parking Spaces2
DrivePrivate
Parking Drive Spaces2
Total Parking Spaces4
ExteriorBrick
RoofAsphalt Shingle
FoundationConcrete
BasementFinished, Full
Fireplace FeaturesFamily Room
Heating TypeForced Air
Heating SourceGas
A/CCentral Air
SewersSewer
Taxes (2025)$7,218.85
HSTIncluded In
Listed Date6/15/2026
Days on Market32 days
PossessionTBA

Virtual Tour

Explore from home

Book a Private Showing

MLS® Verified · Same-day showings available

Same-day showings available
WhatsApp Us About This Listing

Property Insights

Home Value
Estimate

Listing Courtesy of: RE/MAX REALTRON REALTY INC.

MLS® #N13448426

TRREBMLS®

The listing data is provided under copyright by the Toronto Regional Real Estate Board (TRREB). The listing data is deemed reliable but is not guaranteed accurate by TRREB. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by The Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by CREA and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.

© 2026 Toronto Regional Real Estate Board. All rights reserved.

Thinking about living in Markham?

Explore the neighbourhood guide for Markham — market trends, popular areas, buyer tips, and more.

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).

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.

Tech corridor along Highway 7Historic Unionville Main StreetYork Region's top-ranked schoolsPacific Mall & Markville Shopping Centre
~50 min commute to downtown TorontoWalkability: Moderate — walkable near Unionville and downtown Markham
View full Markham neighbourhood guide →