$1,550,000
4921 21A Street SWAltadore, Calgary, AB T2T 5C2
- 6 beds
- 5 baths
- 2,647 sq ft
- Semi Detached (Half Duplex)
Listing courtesy of RE/MAX House of Real Estate · MLS® A2343646
About this home
NOW UNDER CONSTRUCTION, don't miss the chance for custom selections! 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.
Key facts
- Type
- Semi Detached (Half Duplex)
- Style
- 3 (or more) Storey, Attached-Side by Side
- Year built
- 2026
- Living area
- 2,647 sq ft
- Lot
- 3,000 sq ft
- Bedrooms
- 6 (4 above grade, 2 below)
- Bathrooms
- 4 full, 1 half
- Basement
- Full, Finished
- Parking
- 2-car garage
- Price per sq ft
- $586
- Days on market
- 38
- Listed
- September 14, 2026
- Community
- Altadore
- Municipality
- Calgary
Features
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
- Flooring
- Hardwood, Tile, Vinyl Plank
- Heating
- Forced Air, Natural Gas
- Cooling
- Rough-In
- Fireplaces
- 1 (Gas)
- Laundry
- In Basement
- Basement features
- Separate/Exterior Entry
- Included
- Appliances
Suite
- Suite
- No
Building
- Structure
- Duplex
- Levels
- Three Or More
- Shared walls
- 1 Common Wall
- Construction
- Brick, Stucco
- Roof
- Flat Torch Membrane, Asphalt Shingle
- Foundation
- Poured Concrete
- New construction
- Yes
Exterior & lot
- Exterior
- Balcony, BBQ gas line, Lighting, Private Yard
- Lot
- Back Lane, Back Yard, Front Yard, Interior Lot, Landscaped, Lawn, Low Maintenance Landscape, Private, Subdivided
- Patio / porch
- Deck, Front Porch
- Fencing
- Fenced
- Front faces
- W
- Lot size
- 3,000 sq ft
- Zoning
- RCG
Parking
- Garage spaces
- 2
- Total parking
- 2
- Details
- Double Garage Detached
Condo / HOA
- Restrictions
- None Known
- Ownership
- Not a Condo
Land & rural
- Title
- Fee Simple
Community
- Features
- Fishing, Park, Playground, Schools Nearby, Shopping Nearby, Sidewalks, Street Lights, Tennis Court(s), Walking/Bike Paths
Rooms
| Room | Level | Size |
|---|---|---|
| Living Room | Main | 15'0" x 14'4" |
| Kitchen | Main | 18'2" x 16'1" |
| Dining Room | Main | 11'0" x 10'6" |
| Office | Main | 6'11" x 6'8" |
| Mud Room | Main | 6'6" x 4'11" |
| 2pc Bathroom | Main | 0'0" x 0'0" |
| Bedroom - Primary | Second | 13'6" x 12'10" |
| Bedroom | Second | 11'6" x 10'0" |
| Bedroom | Second | 11'6" x 10'0" |
| Laundry | Second | 10'0" x 5'6" |
| 4pc Bathroom | Second | 0'0" x 0'0" |
| 5pc Ensuite bath | Second | 0'0" x 0'0" |
| Bedroom - Primary | Third | 13'4" x 12'6" |
| Walk-In Closet | Third | 11'5" x 6'4" |
| Bonus Room | Third | 20'1" x 12'3" |
| 3pc Ensuite bath | Third | 0'0" x 0'0" |
| Bedroom | Basement | 10'1" x 10'0" |
| Bedroom | Basement | 12'10" x 10'1" |
| Kitchen | Basement | 11'1" x 8'0" |
| Living Room | Basement | 12'10" x 10'5" |
| Laundry | Basement | 6'1" x 4'0" |
| 4pc Bathroom | Basement | 0'0" x 0'0" |
Location
Monthly cost estimate
- Mortgage $7,276
An estimate, not a quote: excludes property tax, home insurance and utilities. Starting rates are the best advertised 5-year fixed rates on October 8, 2026 (nesto.ca, best 5-year fixed); your rate depends on your lender and situation. Minimum down payment under Canadian rules is $310,000.
Similar homes in Altadore
1904 50 Avenue SW
Altadore, Calgary, AB T2T 2W2
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Listing last updated: Oct 17, 2026, 10:15 p.m.