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5011 21 Street SW
Altadore Calgary T2T 5B9

$1,499,900
Residential beds: 6 baths: 5.0 2,719 sq. ft. built: 2026

Main Photo: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 1: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 2: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 3: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 4: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 5: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 6: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 7: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 8: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 9: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 10: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Photo 11: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
Status:
Active
Prop. Type:
Residential
MLS® Num:
A2277215
Bedrooms:
6
Bathrooms:
5
Year Built:
2026
Architectural presence meets thoughtful design in this striking, modern SEMI-DETACHED home found in the desirable ALTADORE. The location comes with everyday amenities, schools, and parks close by, with quick access to major routes for easy commuting. From the moment you arrive, the bold exterior sets the tone for a home that blends elevated style with real-world livability. Walk into the front foyer offering a clean, welcoming entry with BUILT-IN BENCH seating and CLOSET AREA, flowing seamlessly into the main floor. The bright DINING AREA is found alongside the foyer with plenty of space and natural light. You will find a tucked-away POCKET OFFICE next to the front of the home, perfect for focused work and quiet time. The heart of the space unfolds into a lovely, open kitchen anchored by an oversized ISLAND, plenty of cabinetry, and integrated appliances. Whether you’re hosting or just moving through your day, the layout feels intuitive and easy. The LIVING ROOM is warm and grounded, centered around a GAS FIREPLACE with BUILT-INS and framed by large windows and patio doors that lead directly to the backyard DECK. The entire main floor feels cohesive and connected. A practical MUDROOM and stylish POWDER ROOM complete the level, adding everyday function without sacrificing design. Upstairs, the second floor is dedicated to comfortable family living. Three bedrooms, a full bathroom, and a centrally located LAUNDRY ROOM keep everything close at hand. The primary suite on this level feels calm and refined, with a WALK-IN CLOSET and spa-inspired ENSUITE featuring DOUBLE SINKS, a SOAKER TUB, and a large WALK-IN SHOWER. The third floor takes things up a notch. A spacious BONUS AREA with a WET BAR opens onto a PRIVATE BALCONY, creating an ideal space for entertaining, relaxing, or movie nights. This level also includes a private primary bedroom with its own ENSUITE, WALK-IN CLOSET, and BALCONY offering flexibility for owners or guests. Downstairs, the fully developed basement includes a self-contained SUITE layout with two bedrooms, a full kitchen, living area, bathroom, and dedicated laundry. It’s ideal for extended family, guests, or future rental potential. The location of this home ties it all together. Outdoor lovers will appreciate how close the community is to RIVER PARK and the ELBOW RIVER pathway system. These trails connect to Calgary’s broader network of pathways that stretch across the city. This community offers access to quality educational options within easy reach, including ALTADORE ELEMENTARY SCHOOL, MOUNT ROYAL UNIVERSITY, as well as other schooling choices in surrounding communities. Altadore is nearby the MARDA LOOP area, one of Calgary’s most vibrant and desirable inner-city hubs. It’s a setting that balances quiet residential living with city convenience, making this home as practical as it is impressive. This is the kind of home that make daily life feel organized and elevated. A house you’ll be proud to call your own.
Property Type:
Residential
Property Sub Type:
Semi Detached (Half Duplex)
Condo Type:
Not a Condo
Transaction Type:
For Sale
Possession:
Possession Date:
Suite:
Yes
Num Legal Suites:
1
Num Illegal Suites:
0
Home Style:
3 (or more) Storey, Attached-Side by Side
Total Living Area:
2,719.16 sq. ft.
Main Level Finished Area:
945 sq. ft.
Upper Level Finished Area:
1,774.16 sq. ft.
Lower Level Finished Area:
Above Grade Finished Area:
Below Grade Finished Area:
786.25 sq. ft.
Taxes:
Tax Assessed Value:
HOA Fee Includes:
Lot Area:
3,003 sq. ft.
Lot Frontage:
7'7½"
Acres Cleared:
Acres Cultivated:
Acres Irrigated:
Acres Leasehold:
Acres Not Cultivated:
Acres Freehold:
Acres Seeded:
Acres Tame Hay:
Acres Treed:
Acres Waste:
Acres Water Rights:
Front Exposure:
East
Reg. Size:
Reg. Size Includes:
Unit Exposure:
East
Entry Level:
1
Levels:
Three Or More
End Unit:
1 Common Wall
Total Rooms Above Grade:
8
Year built:
2026 (Age: 0)
Bedrooms:
6 (Above Grd: 4)
Bedrooms Above Grade:
4
Bedrooms Below Grade:
2
Bathrooms:
5.0 (Full:4, Half:1)
Plan:
1952AD
Heating:
Forced Air
Basement:
Full, Finished, None
Foundation:
Poured Concrete
Builder:
A1 Custom Homes
New Constr.:
Yes
Construction Material:
Composite Siding
Structure Type:
Duplex
Roof:
Asphalt Shingle
Ensuite:
Yes
Flooring:
Carpet, Ceramic Tile, Hardwood, Vinyl Plank
Cooling:
Rough-In
Fireplaces:
1
Fireplace Details:
Gas, Living Room
Garage:
Yes
Garage Spaces:
2
Parking:
Double Garage Detached
Parking Places:
2
Parking Total/Covered:
2 / -
Laundry Features:
Lower Level, Upper Level
Altadore
Bar Fridge, Built-In Oven, Dishwasher, Garage Control(s), Gas Cooktop, Microwave, Range Hood, Refrigerator, Washer/Dryer
Garage Door Remote (2)
None Known
Floor
Type
Size
Other
Main Floor
Living Room
14'10" × 13'
Main Floor
Kitchen
17'2" × 16'
Main Floor
Pantry
8'7" × 4'9"
Main Floor
Dining Room
11' × 10'
Main Floor
Mud Room
7' × 5'3"
2nd Floor
Bedroom
12'10" × 12'
2nd Floor
Bedroom
11'7" × 10'5"
2nd Floor
Bedroom
10'6" × 10'
2nd Floor
Laundry
9'2" × 5'6"
3rd Floor
Bedroom - Primary
15'9" × 12'1"
3rd Floor
Walk-In Closet
8'10" × 6'1"
3rd Floor
Walk-In Closet
11'4" × 6'1"
3rd Floor
Bonus Room
13'8" × 8'10"
Basement
Bedroom
12'11" × 10'
Basement
Bedroom
11'2" × 10'
Basement
Game Room
15'6" × 11'
Basement
Kitchen
9'6" × 8'5"
Basement
Laundry
6' × 5'7"
Floor
Ensuite
Pieces
Other
Main Floor
No
2
2nd Floor
Yes
5
2nd Floor
No
4
3rd Floor
Yes
5
Basement
No
4
Title to Land:
Fee Simple
Community Features:
Park, Playground, Schools Nearby, Shopping Nearby, Sidewalks, Street Lights, Walking/Bike Paths
Interior Features:
Bar, Bookcases, Built-in Features, Closet Organizers, Double Vanity, High Ceilings, Kitchen Island, Open Floorplan, Quartz Counters, Recessed Lighting, Separate Entrance, Soaking Tub, Storage, Vaulted Ceiling(s), Walk-In Closet(s), Wet Bar
Exterior Features:
Private Entrance, Private Yard
Patio And Porch Features:
Deck
Lot Features:
Back Lane, Back Yard, City Lot, Front Yard, Low Maintenance Landscape, Rectangular Lot, Street Lighting
Num. of Parcels:
0
Fencing:
Fenced
Region:
Calgary
Zone:
CAL Zone CC
Zoning:
R-CG
Listed Date:
Jan 05, 2026
Days on Mkt:
  • Photo 1: 5011 21 Street SW in Calgary: Altadore Semi Detached (Half Duplex) for sale : MLS®# A2277215
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Listed by RE/MAX House of Real Estate
Data was last updated January 8, 2026 at 08:05 PM (UTC)
Area Statistics
Listings on market:
18
Avg list price:
$1,074,500
Min list price:
$295,000
Max list price:
$2,880,000
Avg days on market:
34
Min days on market:
1
Max days on market:
323
Avg price per sq.ft.:
$567.62
These statistics are generated based on the current listing's property type and located in Altadore. Average values are derived using median calculations. This data is not produced by the MLS® system.
Data is supplied by Pillar 9™ MLS® System. Pillar 9™ is the owner of the copyright in its MLS®System. Data is deemed reliable but is not guaranteed accurate by Pillar 9™.
The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by The Canadian Real Estate Association (CREA) and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.