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311 Union Avenue SE
Seton Calgary T3M 3R8

$619,000
Residential beds: 4 baths: 4.0 1,679 sq. ft. built: 2024

Main Photo: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 1: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 2: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 3: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 4: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 5: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 6: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 7: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 8: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 9: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 10: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 11: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 12: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 13: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 14: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 15: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 16: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 17: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 18: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 19: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 20: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 21: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 22: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 23: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 24: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 25: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 26: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 27: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 28: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 29: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 30: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 31: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 32: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 33: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 34: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 35: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Photo 36: 311 Union Avenue SE in Calgary: Seton Semi Detached (Half Duplex) for sale : MLS®# A2341965
Status:
Active
Prop. Type:
Residential
MLS® Num:
A2341965
Bedrooms:
4
Bathrooms:
4
Year Built:
2024
**Modern 2024-Built Home with a Legal Basement Suite & Your Mortgage Helper** Welcome to this beautifully designed, nearly new home in the desirable community of Seton. Built in 2024, this home offers the peace of mind and modern finishes of a newer property, combined with the exceptional value of a fully legal basement suite. Enjoy unobstructed views with no homes currently across the street, with a future park planned for the site, offering an open outlook and added privacy. The main home features **3 bedrooms and 3 bathrooms**, with a bright, open-concept layout designed for comfortable everyday living and entertaining. The contemporary kitchen offers a functional layout with modern cabinetry, quality finishes, and a spacious living and dining area that creates a welcoming main living space. Downstairs, the **legal basement suite** provides a separate and private living space with its **own kitchen, laundry, bathroom, and separate entrance + bonus room with door **, making it an excellent mortgage-helper. The basement is currently rented to a tenant through July 2027, providing an immediate and stable source of rental income that can help offset carrying costs and mortgage payments. With a total of **4 bedrooms and 4 bathrooms**, this home offers an ideal combination of modern living, flexibility, and income potential. Located in the vibrant Seton community, you'll be close to shopping, restaurants, schools, parks, transit, and major amenities, including the South Health Campus. Whether you're a first-time buyer looking for a home that can help with the mortgage, an investor seeking rental income, or a family wanting flexible living space, this 2024-built property is an opportunity worth seeing.
Property Type:
Residential
Property Sub Type:
Semi Detached (Half Duplex)
Condo Type:
Not a Condo
Transaction Type:
For Sale
Suite:
Yes
Num Legal Suites:
1
Num Illegal Suites:
0
Home Style:
2 Storey, Attached-Side by Side
Total Living Area:
1,679 sq. ft.
Main Level Finished Area:
797 sq. ft.
Upper Level Finished Area:
881 sq. ft.
Below Grade Finished Area:
725 sq. ft.
HOA Fee Frequency:
Annually
Acreage:
No
Lot Area:
2,398 sq. ft.
Lot Frontage:
22'1¾"
Front Exposure:
Northwest
Floor Location:
Ground
Entry Level:
1
Levels:
Two
End Unit:
1 Common Wall
Total Rooms Above Grade:
7
Year built:
2024 (Age: 2)
Bedrooms:
4 (Above Grd: 3)
Bedrooms Above Grade:
3
Bedrooms On Main:
0
Bedrooms Below Grade:
1
Bathrooms:
4.0 (Full:3, Half:1)
Num Ensuite Baths:
1
Plan:
2212020
Heating:
Forced Air, Hot Water, Natural Gas
Basement:
Full, Finished, Separate/Exterior Entry
Foundation:
Poured Concrete
New Constr.:
No
Construction Material:
Stone, Vinyl Siding
Structure Type:
Duplex
Roof:
Asphalt Shingle, Metal
Ensuite:
Yes
Flooring:
Carpet, Ceramic Tile, Vinyl Plank
Cooling:
None
Fireplaces:
0
Garage:
No
Parking:
Parking Pad
Parking Places:
2
Parking Total/Covered:
2 / -
Laundry Features:
In Basement, Upper Level
HOA Fee:
$451.50
Southeast
Seton
None
Dishwasher, Dryer, Electric Stove, Microwave, Washer, Window Coverings
None
Easement Registered On Title, Restrictive Covenant
Floor
Type
Size
Other
Main Floor
Dining Room
13'4" × 7'2"
Main Floor
Kitchen
14'1" × 9'8"
Main Floor
Living Room
17'2" × 12'11"
2nd Floor
Bedroom - Primary
12'11" × 11'
2nd Floor
Bedroom
11' × 9'7"
2nd Floor
Bedroom
11'11" × 8'2"
2nd Floor
Family Room
16'7" × 11'7"
2nd Floor
Laundry
6'8" × 6'4"
Basement
Bedroom
13' × 10'8"
Basement
Kitchen
8'10" × 8'9"
Basement
Living Room
21'4" × 12'8"
Basement
Bonus Room
9'8" × 4'9"
Floor
Ensuite
Pieces
Other
2nd Floor
No
4
4'11" x 7'11"
2nd Floor
Yes
4
12'4" x 5'9"
Basement
No
4
8'11" x 4'11"
Suite
No
2
8'5" x 3'
Title to Land:
Fee Simple
Community Features:
Clubhouse, Other, Park, Playground, Pond, Pool, Schools Nearby, Shopping Nearby, Sidewalks, Street Lights, Tennis Court(s), Walking/Bike Paths
Interior Features:
Breakfast Bar, Double Vanity, Kitchen Island, No Smoking Home, Pantry, Quartz Counters, Separate Entrance, Walk-In Closet(s)
Exterior Features:
Awning(s), BBQ gas line, Garden, Private Entrance, Private Yard, Rain Gutters
Patio And Porch Features:
Front Porch
Lot Features:
Back Lane
Num. of Parcels:
0
Fencing:
None
Region:
Calgary
Zone:
CAL Zone SE
Zoning:
R-G
Listed Date:
Sep 01, 2026
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Listed by 2% Realty
Data was last updated September 8, 2026 at 12:05 PM (UTC)
Area Statistics
Listings on market:
102
Avg list price:
$404,950
Min list price:
$209,900
Max list price:
$1,399,984
Avg days on market:
43
Min days on market:
4
Max days on market:
226
Avg price per sq.ft.:
$380.99
These statistics are generated based on the current listing's property type and located in Seton. Average values are derived using median calculations. This data is not produced by the MLS® system.
DIANE RICHARDSON

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