Calgary Duplexes, Triplexes & Fourplexes for Sale | Multi-Family & Investment Properties

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Calgary Duplexes for Sale

Looking to buy a duplex in Calgary? Discover a wide selection of Calgary duplexes for sale, including modern new build duplex homes, character-filled side-by-side properties, and full duplex investment opportunities. Whether you're a first-time homebuyer, investor, or searching for a semi-detached house in Calgary, duplex living offers a flexible and affordable solution.

Browse listings for duplexes, triplexes, and fourplexes for sale in Calgary, ideal for multi-family living or generating rental income. You'll find options ranging from affordable duplexes in NE Calgary to luxury infill duplexes in Calgary’s inner-city communities like Killarney, Altadore, and Mount Pleasant. For those seeking larger properties, explore triplex and fourplex listings offering multiple units under one roof—perfect for investors or extended families.

Discover newly built duplexes with contemporary designs, energy-efficient features, and attached garages, as well as side-by-side duplexes and full duplex buildings for sale. Whether you're looking for a duplex with no condo fees, a multi-family home for sale in Calgary, or a duplex triplex fourplex investment property, Diane Richardson is here to guide you through the process.

Start your search today and find the perfect duplex, triplex, or fourplex for sale in Calgary that suits your lifestyle, investment goals, and budget.

Contact Diane Richardson

Phone: 403.397.3706

Email: diane@mypadcalgary.com

Neighbourhoods to Find Duplexes & Multi-Family Homes in Calgary

Calgary offers a wide variety of duplexes, semi-detached homes, triplexes, and fourplex properties across many sought-after communities. In inner-city neighbourhoods like Altadore, Killarney, Inglewood, and Renfrew, you'll find modern infill duplexes, character half-duplexes, and multiplex investment properties, all with excellent walkability and urban convenience.

For buyers looking in suburban areas, communities like Evanston, Legacy, Mahogany, and Walden feature new build duplexes and attached homes with contemporary layouts, ideal for growing families and downsizers alike.

Whether you're searching for a full duplex for sale in Northeast Calgary, a luxury side-by-side duplex in Southwest Calgary, or an investment multiplex property in Calgary's NW quadrant, there are abundant options to suit every lifestyle and budget. Start your search for duplexes and multi-family homes in Calgary today with Diane Richardson’s expert guidance.

Diane Richardson – Calgary Real Estate Specialist

Looking to Buy or Sell a Duplex in Calgary?

Searching for a duplex for sale in Calgary, or planning to list your attached or semi-detached property? Diane Richardson is a trusted Calgary REALTOR® with over 15 years of experience specializing in duplex homes, half-duplex properties, and multiplex investments across Calgary's top communities.

Whether you're a first-time buyer, investor, or upgrading to a newly built duplex with modern designs, Diane’s personalized approach ensures a smooth real estate experience. From inner-city infill duplexes to affordable side-by-side duplexes in family-friendly neighborhoods, Diane will guide you through every step of the buying or selling process.

For a quicker response, please include the MLS® number or property address in your inquiry.

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5018 21A Street SW
Altadore Calgary T6T 0B3

$1,439,000
Residential beds: 4 baths: 5.0 2,017 sq. ft. built: 2025

Main Photo: 5018 21A Street SW in Calgary: Altadore Detached for sale : MLS®# A2263962
Photo 1: 5018 21A Street SW in Calgary: Altadore Detached for sale : MLS®# A2263962
Photo 2: 5018 21A Street SW in Calgary: Altadore Detached for sale : MLS®# A2263962
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Status:
Active
Prop. Type:
Residential
MLS® Num:
A2263962
Bedrooms:
4
Bathrooms:
5
Year Built:
2025
Discover Scandinavian elegance at 5018 21A St SW in the heart of Altadore! This meticulously crafted, move-in-ready home from Homes by Mountain View, with interiors envisioned by House of Bishop and JTA Designs, boasts 2800+ sq ft of designer living space. Perfect for the discerning family, this residence features 4 spacious bedrooms and 4.5 luxurious bathrooms, including a spa-like ensuite retreat off the primary bedroom. The main floor unfolds with an open-concept design, showcasing a chef-inspired kitchen perfect for entertaining, all in a bright and modern atmosphere. Beyond the bedrooms, a fully developed basement provides a vibrant entertainment area and a dedicated pocket office, ideal for work or study. Step outside and immerse yourself in the vibrant Altadore scene, where trendy amenities, restaurants, and shops await. Families will love the convenient location, with shops, cafés, fitness studios, and amenities just a few minutes away. For outdoor activities and recreation, River Park, Sandy Beach, and the Elbow River Pathway system are all nearby. Educational options are also easily accessible: Altadore School (K–6) and Dr. Oakley School (Grades 3–9) are within walking distance, while Mount Royal University is only a 7-minute drive. Additionally, top private schools like Rundle Academy and Lycée Louis Pasteur are conveniently close, and Central Memorial High School and St. James are also nearby. This exceptional new build combines every modern luxury with an unbeatable Altadore address. Schedule your private viewing and make this designer dream home your reality!
Property Type:
Residential
Property Sub Type:
Detached
Condo Type:
Not a Condo
Transaction Type:
For Sale
Suite:
No
Home Style:
2 Storey
Total Living Area:
2,017 sq. ft.
Main Level Finished Area:
848.43 sq. ft.
Upper Level Finished Area:
973.18 sq. ft.
Below Grade Finished Area:
724.52 sq. ft.
Acreage:
No
Lot Area:
3,000 sq. ft.
Lot Frontage:
25'
Front Exposure:
West
Entry Level:
1
Levels:
Two
End Unit:
No Common Walls
Total Rooms Above Grade:
6
Year built:
2025 (Age: 0)
Bedrooms:
4 (Above Grd: 3)
Bedrooms Above Grade:
3
Bedrooms Below Grade:
1
Bathrooms:
5.0 (Full:4, Half:1)
Plan:
1952AD
Heating:
Central
Basement:
Finished, Full
Foundation:
Poured Concrete
New Constr.:
Yes
Construction Material:
Brick, Metal Siding, Stucco, Wood Frame
Structure Type:
House
Roof:
Asphalt Shingle
Ensuite:
Yes
Flooring:
Carpet, Ceramic Tile, Hardwood
Cooling:
None
Fireplaces:
1
Fireplace Details:
Gas
Garage:
Yes
Garage Spaces:
2
Parking:
Double Garage Detached
Parking Places:
2
Parking Total/Covered:
2 / -
Laundry Features:
Upper Level
Altadore
Dishwasher, Dryer, Garage Control(s), Refrigerator, Stove(s), Washer
REFRIGERATOR, HOOD FAN, DISHWASHER, STOVE, GARAGE CONTROL, GARAGE REMOTE, WASHER, DRYER
None Known
Floor
Type
Size
Other
Main Floor
Dining Room
14'8" × 11'
Main Floor
Kitchen
22'5" × 8'3"
Main Floor
Living Room
16'11" × 15'11"
Upper Level
Bedroom - Primary
25'7" × 13'
Upper Level
Walk-In Closet
20'7" × 5'8"
Upper Level
Bedroom
17'4" × 9'6"
Upper Level
Bedroom
12' × 7'11"
Upper Level
Laundry
7'10" × 5'11"
Lower Level
Storage
11'8" × 7'8"
Lower Level
Game Room
22'6" × 14'7"
Lower Level
Furnace/Utility Room
10'10" × 6'4"
Lower Level
Bedroom
14'8" × 9'11"
Floor
Ensuite
Pieces
Other
Main Floor
No
2
4'11" x 5'8"
Upper Level
Yes
5
9'8" x 11'10"
Upper Level
No
3
7'10" x 5'11"
Upper Level
Yes
3
6' x 6'6"
Lower Level
No
4
10'9" x 4'11"
Title to Land:
Fee Simple
Community Features:
Park, Playground, Schools Nearby, Shopping Nearby, Sidewalks, Street Lights
Interior Features:
Built-in Features, Crown Molding, Double Vanity, Granite Counters, High Ceilings, Low Flow Plumbing Fixtures, Separate Entrance
Exterior Features:
Other
Patio And Porch Features:
Other
Lot Features:
Rectangular Lot
Num. of Parcels:
0
Fencing:
Fenced
Region:
Calgary
Zone:
CAL Zone CC
Zoning:
R-C2
Listed Date:
Oct 11, 2025
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Listed by Century 21 Bravo Realty
Data was last updated October 20, 2025 at 10:05 PM (UTC)
Area Statistics
Listings on market:
30
Avg list price:
$1,049,000
Min list price:
$215,000
Max list price:
$4,500,000
Avg days on market:
41
Min days on market:
4
Max days on market:
243
Avg price per sq.ft.:
$551.21
These statistics are generated based on the current listing's property type and located in Altadore. Average values are derived using median calculations. This data is not produced by the MLS® system.
DIANE RICHARDSON
Data is supplied by Pillar 9™ MLS® System. Pillar 9™ is the owner of the copyright in its MLS®System. Data is deemed reliable but is not guaranteed accurate by Pillar 9™.
The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by The Canadian Real Estate Association (CREA) and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.