4921 21a Street Sw, Calgary, AB, T2T 5C2
$1,499,999
6
Beds
5
Baths
2,647
Square feet
0.07
Acres
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 , 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. Please note potential to suite is subject to approval and permitting by the city/municipality.
Features of 4921 21a Street Sw, Calgary
| MLS® # | A2343646 |
|---|---|
| Price | $1,499,999 |
| Bedrooms | 6 |
| Bathrooms | 5.00 |
| Full Baths | 4 |
| Half Baths | 1 |
| Square Footage | 2,647 |
| Acres | 0.07 |
| Year Built | 2026 |
| Type | Residential |
| Sub-Type | Semi Detached (Half Duplex) |
| Style | 3 (or more) Storey, Attached-Side by Side |
| Status | Active |
| Address | 4921 21a Street Sw |
|---|---|
| Subdivision | Altadore |
| City | Calgary |
| County | Calgary |
| Province | Alberta |
| Postal Code | T2T 5C2 |
| Zone | Zone CC |
Amenities at 4921 21a Street Sw, Calgary, AB
| Parking Spaces | 2 |
|---|---|
| Parking | Double Garage Detached |
| # of Garages | 2 |
| Is Waterfront | No |
| Has Pool | No |
| Suite | No |
| Interior Features | Built-in Features, Closet Organizers, High Ceilings, Kitchen Island, Natural Woodwork, No Animal Home, No Smoking Home, Open Floorplan, Pantry, Quartz Counters, Recessed Lighting, Separate Entrance, Storage, Sump Pump(s), Walk-In Closet(s), Wired for Data, Wired for Sound |
|---|---|
| Appliances | Garage Control(s), Oven-Built-In, Range, Range Hood, Refrigerator, Washer/Dryer |
| Heating | Forced Air, Natural Gas |
| Cooling | Rough-In |
| Fireplace | Yes |
| # of Fireplaces | 1 |
| Fireplaces | Gas |
| Has Basement | Yes |
| Basement | Full |
| Exterior Features | Balcony, BBQ gas line, Lighting, Private Yard |
|---|---|
| Lot Description | Back Lane, Back Yard, Front Yard, Interior Lot, Landscaped, Lawn, Low Maintenance Landscape, Private, Subdivided |
| Roof | Flat Torch Membrane, Asphalt Shingle |
| Construction | Brick, Stucco |
| Foundation | Poured Concrete |
| Date Listed | September 14th, 2026 |
|---|---|
| Days on Market | 1 |
| Zoning | RCG |
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
4921 21a Street Sw, Calgary Listing Details
| Office | RE/MAX House of Real Estate |
|---|---|
| Website | To see this home contact Chamberlain Real Estate Group to Schedule your tour. |
More About 4921 21a Street Sw, Calgary, AB
4921 21a Street Sw Calgary is located in the neighbourhood of Altadore. The community of Altadore has 48 available properties. Altadore makes up 0.68% of the 7,030 total properties listed in Calgary. Homes in Altadore are listed for an average price of $1,410,975. That is 105.41% higher than the average asking price of $686,921 found across all Calgary properties for sale. If you would like to see other homes like 4921 21a Street Sw Calgary please reach out to us 403-879-4145. Properties like 4921 21a Street Sw can come and go quickly and it's a big reason why having a personalized strategy and search set up for you is key. Let us know how we can help so we don't miss out on 4921 21a Street Sw Calgary or another home like it in the future. Get directions to 4921 21a Street Sw Calgary.