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New construction
  • C$1,499,999

    4921 W 21a St SW, Calgary, AB T2T 5C2

    6beds
    2,646sqft
    Semi Detached (Half Duplex)
    Built in 2026
    -- sqft lot
    $-- Zestimate®
    C$567/sqft
    C$-- HOA

    What's special

    Two primary bedroomsMultiple outdoor spacesFinished basementPocket officeDedicated laundrySide entranceDouble detached garage
    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.
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    Zillow last checked:

    Listing updated:

    Listed by:

    Karen Mangat, Associate,

    Re/Max House Of Real Estate

    Source: courtesy of Pillar9 System,MLS®#: A2343646MLS LogoOriginating MLS®#: Calgary

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 6
      • Bathrooms: 5
      • Full bathrooms: 4
      • 1/2 bathrooms: 1
      Other
      • Level: Second
      • Dimensions: 13`6" x 12`10"
      Bedroom
      • Level: Second
      • Dimensions: 11`6" x 10`0"
      Bedroom
      • Level: Second
      • Dimensions: 11`6" x 10`0"
      Other
      • Level: Third
      • Dimensions: 13`4" x 12`6"
      Bedroom
      • Level: Basement
      • Dimensions: 10`1" x 10`0"
      Bedroom
      • Level: Basement
      • Dimensions: 12`10" x 10`1"
      Other
      • Level: Main
      • Dimensions: 0`0" x 0`0"
      Other
      • Level: Second
      • Dimensions: 0`0" x 0`0"
      Other
      • Level: Basement
      • Dimensions: 0`0" x 0`0"
      Other
      • Level: Third
      • Dimensions: 0`0" x 0`0"
      Other
      • Level: Second
      • Dimensions: 0`0" x 0`0"
      Bonus room
      • Level: Third
      • Dimensions: 20`1" x 12`3"
      Dining room
      • Level: Main
      • Dimensions: 11`0" x 10`6"
      Kitchen
      • Level: Main
      • Dimensions: 18`2" x 16`1"
      Kitchen
      • Level: Basement
      • Dimensions: 11`1" x 8`0"
      Laundry
      • Level: Second
      • Dimensions: 10`0" x 5`6"
      Laundry
      • Level: Basement
      • Dimensions: 6`1" x 4`0"
      Living room
      • Level: Main
      • Dimensions: 15`0" x 14`4"
      Living room
      • Level: Basement
      • Dimensions: 12`10" x 10`5"
      Mud room
      • Level: Main
      • Dimensions: 6`6" x 4`11"
      Office
      • Level: Main
      • Dimensions: 6`11" x 6`8"
      Walk in closet
      • Level: Third
      • Dimensions: 11`5" x 6`4"
      Heating
      • Forced Air, Natural Gas
      Cooling
      • Rough-In
      Appliances
      • Included: Garage Control(s), Oven-Built-In, Range, Range Hood, Refrigerator, Washer/Dryer
      • Laundry: In Basement
      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
      • Flooring: Hardwood, Tile
      • Basement: Full
      • Number of fireplaces: 1
      • Fireplace features: Gas
      • Common walls with other units/homes: 1 Common Wall
      Interior area
      • Total interior livable area: 2,646 sqft
      • Finished area above ground: 2,646
      • Finished area below ground: 777

      Property

      Parking
      • Total spaces: 2
      • Parking features: Double Garage Detached
      • Garage spaces: 2
      Features
      • Levels: Three Or More,3 (or more) Storey
      • Stories: 1
      • Patio & porch: Deck, Front Porch
      • Exterior features: Balcony, BBQ gas line, Lighting, Private Yard
      • Fencing: Fenced
      • Frontage length: 7.62M 25`0"
      Lot
      • Size: 3,049 Square Feet
      • Features: Back Lane, Back Yard, Front Yard, Interior Lot, Landscaped, Lawn, Low Maintenance Landscape, Private, Subdivided
      Details
      • Zoning: RCG

      Construction

      Type & style
      • Home type: MultiFamily
      • Property subtype: Semi Detached (Half Duplex)
      • Attached to another structure: Yes
      Materials
      • Brick, Stucco
      • Foundation: Concrete Perimeter
      • Roof: Flat Torch Membrane,Asphalt Shingle
      Condition
      • New construction: Yes
      • Year built: 2026

      Community & HOA

      Community
      • Features: Fishing, Park, Playground, Sidewalks, Street Lights, Tennis Court(s)
      • Subdivision: Altadore
      HOA
      • Has HOA: No
      Location
      • Region: Calgary

      Financial & listing details

      • Price per square foot: C$567/sqft
      • Date on market: 9/14/2026
      • Inclusions: Appliances

        Price history

        Price history is unavailable.

        Public tax history

        Tax history is unavailable.

        Climate risks

        Neighborhood: Altadore

        Getting around

        62 / 100
        Somewhat Walkable
        69 / 100
        Bikeable

        Nearby schools

        GreatSchools rating

        No schools nearby

        We couldn't find any schools near this home.