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$1,699,000
For SaleListed 82 days agoVirtual Tour

21 Rennie Avenue, Markham, ON L6B 0M9

Box Grove
5
5
3,000–3,500 ft²
Detached4 Parking45.98 × 91.81 ft Lot
Listed by RE/MAX REALTRON REALTY INC.

Assigned school

85% EQAO

David Suzuki Public School

Childcare

6 centres

0.9 km closest

Development

5 shown

Active applications within 800 m

Block profile

88% owners

$137k median

Small-area Census counts are randomly rounded by Statistics Canada.

Explore this address →

Property Information

Property TypeDetached
Lot Size45.98 × 91.81 ft
BasementFinished, Full
Parking4 parking spaces · Private · Built-In
Property taxes$7,219/yr (2025)
Days on Market82 Days
Listed DateJun 15, 2026
MLS® NumberN13448426

Monthly Cost

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.

Listing History

Event
Date
Price
Listed
Jun 15, 2026
$1,699,000

Shows activity for this MLS® listing. Prior listings and sold records appear when available.

Location

Map showing 21 Rennie Avenue, Markham, ON L6B 0M9 inside the David Suzuki Public School attendance boundaryView on Map

School Catchments

School boundaries and eligibility may change. Confirm school eligibility directly with the school board.

All Markham school catchments

Licensed Childcare Nearby

6 licensed centres nearby · closest 921 m

Licensed Child Care Centre
Polka Dot Academy Montessori Daycare
66 Copper Creek Drive, Markham
0.9 km
Full day · Half day · Before & after school · Extended hours
Operator: Polka-Dot-House Inc.
Licence #57340·Child Care Centre
Licensed Child Care Centre
York Montessori Private School
6890 14Th Avenue, Markham
1.0 km
Full day · Half day
Operator: York Montessori Private School Inc.
Licence #0005006·Child Care Centre
Licensed Child Care Centre
Legacy Ymca Child Care
61 Russell Jarvis Drive, Markham
1.3 km
Full day · Half day · Before & after school
Operator: The Ymca Of Greater Toronto
Licence #0003763·Child Care Centre
Licensed Child Care Centre
Upper Canada Child Care At David Suzuki Ps
45 Riverwalk Drive, Markham
1.5 km
Full day · Half day · Before & after school
Operator: Upper Canada Creative Child Care Centres Of Ontario
Licence #0005129·Child Care Centre
Licensed Child Care Centre
Discovery Preschool On 7 Inc.
6605 Highway 7, Markham
1.8 km
Full day
Licence #0005951·Child Care Centre
Licensed Child Care Centre
Upper Canada Child Care At William Armstrong Ps
11 Major Buttons Drive, Markham
1.9 km
Before & after school
Operator: Upper Canada Creative Child Care Centres Of Ontario
Licence #19062·Child Care Centre

What’s changing nearby

Nearest 5 within 800m

Proposed and recently approved developments near this home, largest first.

All development in this area

Approximate distance based on the municipality’s mapped application location.

Source: The Regional Municipality of York open data, adapted by DistrictIQ. York Region Open Data Licence.

Area Checks

Also checked, nothing flagged at this location: flood hazard mapping, conservation-regulated areas, provincially significant wetlands, the Greenbelt, the Oak Ridges Moraine, 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.

About Box Grove

View Box Grove on Market

Who lives here

A snapshot of this home’s immediate area — the census dissemination area it sits in.

88%
Homeowners
78%
Households with kids
$137,000
Median income
38
Median age
More about this area
3.9
Avg. household size
41%
University degree
55%
Newcomers (immigrants)
Age profile10,353 residents
Under 2029%
20–3417%
35–6442%
65+12%

StatCan 2021 Census · this home’s dissemination area (DA 35191295). Values are randomly rounded by Statistics Canada for privacy.

Homes for sale nearby

DistrictIQ Inc., BrokerageMLS® data provided by PropTxUpdated Aug 5, 2026
Data sources & legal disclosures

Listing data is provided by the Toronto Regional Real Estate Board (TRREB) and PropTx under the Internet Data Exchange (IDX) program. The information is deemed reliable but is not guaranteed accurate by TRREB, PropTx, CREA or DistrictIQ Inc., Brokerage, may not reflect the most current status, and is subject to errors, omissions, prior sale, change, or withdrawal without notice. Listings should be independently verified.

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