4921 21A Street SW, Calgary photo 1 of 121 / 12
Semi-DetachedActiveNew build

Altadore · Calgary

4921 21A Street SW, Calgary

$1,499,999

Altadore, Calgary, Alberta T2T 5C2 · MLS® A2343646

6
Bedrooms
4.5
Bathrooms

4 full · 1 half

2,647
Sq ft above grade

+777 below

$567
Per sq ft

About This Property

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

Interior

Bedrooms
6
Bathrooms
4 full · 1 half
Ensuite bathrooms
2
Rooms above grade
9
Above grade
2,647 sq ft
Main level
935 sq ft
Upper level
1,712 sq ft
Finished below grade
777 sq ft
Total finished
3,424 sq ft
Basement
Full · Finished
Fireplaces
1 fireplace
Laundry
In Basement

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

Flooring

  • Hardwood
  • Tile
  • Vinyl Plank

Fireplace

  • Gas

Building

Property type
Semi-Detached
Structure
Duplex
Style
3 (or more) Storey, Attached-Side by Side
Levels
Three Or More
Year built
2026
New construction
Yes
Front exposure
W
Entry level
1
Common walls
1 Common Wall

Construction

  • Brick
  • Stucco

Roof

  • Flat Torch Membrane
  • Asphalt Shingle

Foundation

  • Poured Concrete

Heating, cooling & services

Heating
Forced Air, Natural Gas
Cooling
Rough-In

Parking

Garage
Double Garage Detached · 2 spaces
Garage size
20`0" x 20`0"
Total parking
2 spaces

Lot & outdoors

Lot size
3,000 sq ft
Acreage
0.07 acres
Frontage
25 ft
Fencing
Fenced

Lot features

  • Back Lane
  • Back Yard
  • Front Yard
  • Interior Lot
  • Landscaped
  • Lawn
  • Low Maintenance Landscape
  • Private
  • Subdivided

Outdoor living

  • Deck
  • Front Porch

Exterior features

  • Balcony
  • BBQ gas line
  • Lighting
  • Private Yard

In the community

  • Fishing
  • Park
  • Playground
  • Schools Nearby
  • Shopping Nearby
  • Sidewalks
  • Street Lights
  • Tennis Court(s)
  • Walking/Bike Paths

Costs & ownership

Title
Fee Simple
Ownership
Private
Zoning
RCG
Restrictions
None Known

Listing & availability

MLS® number
A2343646
Listed
Sep 14, 2026
Days on market
0
Possession
Upon Completion
Listing office
RE/MAX House of Real Estate

Included in the sale

Appliances: Garage Control(s), Oven-Built-In, Range, Range Hood, Refrigerator, Washer/Dryer

Other inclusions: Appliances

Inclusions are as advertised by the listing brokerage and are confirmed in the purchase contract, not here.

Selling

Thinking of listing your home?

Need to sell to buy this one, or just want a real number? Stephen prepares a free evaluation that accounts for lot, finishes, and current activity in your community.

Request a free evaluation