This exceptional 3 STOREY LUXURY DUPLEX offers a rare opportunity to own a thoughtfully designed inner city home with impressive square footage, elevated functionality, and incredible flexibility in the heart of ALTADORE. Offering OVER 2,600 SQ FT ABOVE GRADE, a THIRD FLOOR RETREAT with DUAL BALCONIES, TWO PRIMARY BEDROOMS, multiple outdoor spaces, and FINISHED BASEMENT (with option to upgrade basement layout), this home is designed for modern family living, entertaining, and multi-generational flexibility. The main floor features a bright OPEN CONCEPT layout connecting the kitchen, dining, and living areas, creating an effortless flow for everyday living and entertaining. The kitchen sits at the heart of the home, while the spacious rear living area opens through large patio doors to the deck and backyard. A convenient POCKET OFFICE is thoughtfully planned to complete the main level. Upstairs, the second floor offers a spacious PRIMARY RETREAT with a PRIVATE ENSUITE and WALK-IN CLOSET. An additional 2 bedrooms, full bathroom, dedicated LAUNDRY complete this level. The THIRD FLOOR is a true standout, offering approximately 683 SQ FT of additional above-grade living space and incredible lifestyle flexibility. Designed for function a SECOND PRIMARY BEDROOM can become a retreat, entertainment lounge, executive workspace, or private getaway. BONUS/REC AREA provides a flexible space for family, guests, a second home office, or additional lounge. Large BI-PARTING DOORS open onto a FRONT AND REAR private DURADECK BALCONY, creating a seamless connection between indoor and outdoor living. The lower level features approximately 935 SQ FT, a SIDE ENTRANCE with two different floor plans you may choose from, providing versatility for usage. A DOUBLE DETACHED GARAGE, private yard, rear deck, and multiple outdoor spaces complete this property. Located in ALTADORE, one of Calgary’s most desirable inner city communities, enjoy an established neighbourhood setting with convenient access to parks, pathways, schools, local shops, restaurants, Marda Loop, downtown, and major routes throughout the city. With OVER 3,500 SQ FT OF DEVELOPED LIVING SPACE including the basement suite, three above-grade levels, a THIRD FLOOR RETREAT, FLEXIBLE BASEMENT LAYOUT, and DOUBLE DETACHED GARAGE, this is a rare opportunity to own a distinctive luxury home in one of Calgary’s premier communities. Call today to discuss presale options, including custom basement changes.
Property Details
Price:
$1,499,999
MLS #:
A2343646
Status:
Active
Beds:
6
Baths:
5
Type:
Single Family
Subtype:
Semi Detached (Half Duplex)
Subdivision:
Altadore
Listed Date:
Sep 14, 2026
Finished Sq Ft:
2,646
Lot Size:
3,000 sqft / 0.07 acres (approx)
Year Built:
2026
See this Listing
Schools
Interior
Appliances
Garage Control(s), Oven- Built- In, Range, Range Hood, Refrigerator, Washer/Dryer
Basement
Full
Bathrooms Full
4
Bathrooms Half
1
Laundry Features
In Basement
Exterior
Exterior Features
Balcony, BBQ gas line, Lighting, Private Yard
Lot Features
Back Lane, Back Yard, Front Yard, Interior Lot, Landscaped, Lawn, Low Maintenance Landscape, Private, Subdivided
Parking Features
Double Garage Detached
Parking Total
2
Patio And Porch Features
Deck, Front Porch
Roof
Flat Torch Membrane, Asphalt Shingle
Financial
Map
Community
- Address4921 21A Street SW Calgary AB
- SubdivisionAltadore
- CityCalgary
- CountyCalgary
- Zip CodeT2T 5C2
Subdivisions in Calgary
- Abbeydale
- Acadia
- Albert Park/Radisson Heights
- Alpine Park
- Altadore
- Ambleridge
- Applewood Park
- Arbour Lake
- Aspen Woods
- Auburn Bay
- Banff Trail
- Bankview
- Bayview
- Beddington Heights
- Bel-Aire
- Belmont
- Beltline
- Belvedere
- Bonavista Downs
- Bowness
- Braeside
- Brentwood
- Bridgeland/Riverside
- Bridlewood
- Britannia
- Burns Industrial
- Calgary International Airport
- Cambrian Heights
- Canyon Meadows
- Capitol Hill
- Carrington
- Castleridge
- Cedarbrae
- Chaparral
- Charleswood
- Chinatown
- Chinook Park
- Christie Park
- Citadel
- Cityscape
- Cliff Bungalow
- Coach Hill
- Collingwood
- Copperfield
- Coral Springs
- Cornerstone
- Cougar Ridge
- Country Hills
- Country Hills Village
- Coventry Hills
- Cranston
- Crescent Heights
- Crestmont
- Currie Barracks
- Dalhousie
- Deer Ridge
- Deer Run
- Deerfoot Business Centre
- Diamond Cove
- Discovery Ridge
- Douglasdale/Glen
- Dover
- Downtown Commercial Core
- Downtown East Village
- Downtown West End
- Eagle Ridge
- East Fairview Industrial
- East Shepard Industrial
- Eau Claire
- Edgemont
- Elbow Park
- Elboya
- Erin Woods
- Erlton
- Evanston
- Evergreen
- Fairview
- Fairview Industrial
- Falconridge
- Foothills
- Forest Heights
- Forest Lawn
- Forest Lawn Industrial
- Franklin
- Garrison Green
- Garrison Woods
- Glacier Ridge
- Glamorgan
- Glenbrook
- Glendale
- Golden Triangle
- Greenview
- Greenview Industrial Park
- Greenwood/Greenbriar
- Hamptons
- Harvest Hills
- Haskayne
- Hawkwood
- Haysboro
- Hidden Valley
- Highfield
- Highland Park
- Highwood
- Hillhurst
- Homestead
- Horizon
- Hotchkiss
- Hounsfield Heights/Briar Hill
- Huntington Hills
- Inglewood
- Kelvin Grove
- Killarney/Glengarry
- Kincora
- Kingsland
- Lake Bonavista
- Lakeview
- Legacy
- Lewisburg
- Lincoln Park
- Livingston
- Lower Mount Royal
- MacEwan Glen
- Mahogany
- Manchester
- Manchester Industrial
- Maple Ridge
- Marlborough
- Marlborough Park
- Martindale
- Mayfair
- Mayland
- Mayland Heights
- McCall
- McKenzie Lake
- McKenzie Towne
- Meadowlark Park
- Medicine Hill
- Meridian
- Midnapore
- Millrise
- Mission
- Monterey Park
- Montgomery
- Moraine
- Mount Pleasant
- New Brighton
- Nolan Hill
- North Airways
- North Glenmore Park
- North Haven
- Oakridge
- Ogden
- Osprey Hill
- Out of Area Calgary
- Palliser
- Panorama Hills
- Parkdale
- Parkhill
- Parkland
- Patterson
- Pegasus
- Penbrooke Meadows
- Pine Creek
- Pineridge
- Point McKay
- Pump Hill
- Queensland
- Ramsay
- Ranchlands
- Rangeview
- Red Carpet
- Redstone
- Renfrew
- Ricardo Ranch
- Richmond
- Rideau Park
- Riverbend
- Rocky Ridge
- Rosedale
- Rosemont
- Rosscarrock
- Roxboro
- Royal Oak
- Royal Vista
- Rundle
- Rutland Park
- Saddle Ridge
- Saddleridge Industrial
- Sage Hill
- Sandstone Valley
- Scarboro
- Scarboro/Sunalta West
- Scenic Acres
- Seton
- Shaganappi
- Shawnee Slopes
- Shawnessy
- Shepard Industrial
- Sherwood
- Signal Hill
- Silver Springs
- Silverado
- Skyline West
- Skyview Ranch
- Somerset
- South Airways
- South Calgary
- South Foothills
- Southview
- Southwood
- Springbank Hill
- Spruce Cliff
- St Andrews Heights
- Starfield
- Stoney 1
- Stoney 2
- Stoney 3
- Stoney 4
- Strathcona Park
- Sunalta
- Sundance
- Sunnyside
- Sunridge
- Taradale
- Temple
- Thorncliffe
- Tuscany
- Tuxedo Park
- University District
- University Heights
- University of Calgary
- Upper Mount Royal
- Valley Ridge
- Valleyfield
- Varsity
- Vista Heights
- Walden
- West Hillhurst
- West Springs
- Westgate
- Westwinds
- Whitehorn
- Wildwood
- Willow Park
- Windsor Park
- Winston Heights/Mountview
- Wolf Willow
- Woodbine
- Woodlands
- Yorkville
Market Summary
Current real estate data for Single Family in Calgary as of Sep 14, 2026
3,681
Single Family Listed
46
Avg DOM
491
Avg $ / SqFt
$864,292
Avg List Price
Property Summary
- Located in the Altadore subdivision, 4921 21A Street SW Calgary AB is a Single Family for sale in Calgary, AB, T2T 5C2. It is listed for $1,499,999 and features 6 beds, 5 baths, and has approximately 2,646 square feet of living space, and was originally constructed in 2026. The current price per square foot is $567. The average price per square foot for Single Family listings in Calgary is $491. The average listing price for Single Family in Calgary is $864,292. To schedule a showing of MLS#a2343646 at 4921 21A Street SW in Calgary, AB, contact your Rob Johnstone agent at (403) 730-2330 .
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4921 21A Street SW
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