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21 Rennie Avenue
Box Grove Markham L6B 0M9

$1,699,000
Residential Freehold beds: 4+1 baths: 5.0

Main Photo: 21 Rennie Avenue in Markham: Box Grove House for sale : MLS®# N13448426
Photo 1: 21 Rennie Avenue in Markham: Box Grove House for sale : MLS®# N13448426
Photo 2: 21 Rennie Avenue in Markham: Box Grove House for sale : MLS®# N13448426
Photo 3: 21 Rennie Avenue in Markham: Box Grove House for sale : MLS®# N13448426
Photo 4: 21 Rennie Avenue in Markham: Box Grove House for sale : MLS®# N13448426
Photo 5: 21 Rennie Avenue in Markham: Box Grove House for sale : MLS®# N13448426
Photo 6: 21 Rennie Avenue in Markham: Box Grove House for sale : MLS®# N13448426
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Status:
Active
Prop. Type:
Residential Freehold
MLS® Num:
N13448426
Bedrooms:
4+1
Bathrooms:
5
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, 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.
Under Contract:
Hot Water Tank-Gas
Property Type:
Residential Freehold
Property Sub Type:
Detached
Home Style:
2-Storey
Total Approx Floor Area:
3000-3500
Lot Depth:
91'10"
Lot Frontage:
45'11¾"
Direction Faces:
West
Bedrooms:
4+1
Bathrooms:
5.0
Water supply:
Municipal
Kitchens:
2
Kitchens in Basement:
1
Bedrooms Above Grade:
4
Bedrooms Below Grade:
1
Kitchens Above Grade:
1
Rooms Above Grade:
14
Rooms Below Grade:
3
Heating type:
Forced Air
Heating Fuel:
Gas
Fireplaces:
1
Foundation:
Concrete
Roof:
Asphalt Shingle
Basement:
Finished, Full
Fireplace Features:
Family Room
Fireplace/Stove:
Yes
Garage:
Built-In
Garage Spaces:
2.0
Parking Features:
Private
Parking Spaces:
2
Total Parking Spaces:
4.0
Family Room:
Yes
Possession Details:
TBA
Pool:
None
Link:
No
HST Applicable To Sale Price:
Included In
Taxes:
$7,218.85 / 2025
Assessment:
$- / -
York
Markham
Box Grove
Fenced Yard, Greenbelt/Conservation, Hospital, Park, Public Transit, School
Carpet Free, Water Softener, Storage
Furnace, Hot Water Tank, Water Softener
Brick
Floor
Type
Size
Other
Main
Library
12'7" × 9'
Hardwood Floor, Pot Lights, Window
Main
Living Room
18' × 14'
Hardwood Floor, Pot Lights, Combined w/Dining
Main
Dining Room
18' × 14'
Hardwood Floor, Pot Lights, Combined w/Living
Main
Kitchen
13'7" × 10'5"
Tile Floor, Centre Island, Stainless Steel Appl
Main
Breakfast
13'9¾" × 12'5"
Tile Floor, Open Concept, W/O To Yard
Main
Family Room
16' × 14'9½"
Hardwood Floor, Open Concept, Window Floor to Ceiling
Second
Primary Bedroom
21'7" × 13'
Hardwood Floor, Walk-In Closet(s), 5 Pc Ensuite
Second
Bedroom 2
12' × 11'5"
Hardwood Floor, Closet, 4 Pc Ensuite
Second
Bedroom 3
13' × 12'
Hardwood Floor, Closet, Semi Ensuite
Second
Bedroom 4
19'2" × 11'
Hardwood Floor, Closet, Semi Ensuite
Basement
Kitchen
43' × 18'
Laminate, Open Concept
Basement
Recreation
43' × 18'
Laminate, Combined w/Kitchen, Open Concept
Basement
Media Room
29' × 13'
Laminate, Open Concept
Basement
Bedroom
10' × 7'
Laminate, Closet
Special Designation:
Unknown
Sewers:
Sewer
Air Conditioning:
Central Air
Central Vacuum:
No
Seller Property Info Statement:
No
Laundry Level:
Main Level
Date Listed:
Jun 15, 2026
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Listed by RE/MAX REALTRON REALTY INC. and HARVEY KALLES REAL ESTATE LTD.
Data was last updated June 16, 2026 at 04:15 PM (UTC)
Area Statistics
Listings on market:
14
Avg list price:
$1,354,000
Min list price:
$988,000
Max list price:
$3,549,000
Avg days on market:
23
Min days on market:
1
Max days on market:
125
These statistics are generated based on the current listing's property type and located in Box Grove. Average values are derived using median calculations. This data is not produced by the MLS® system.
This website may only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate of the type being offered via the website. The data relating to real estate on this website comes in part from the MLS® Reciprocity program of the PropTx MLS®. The data is deemed reliable but is not guaranteed to be accurate.