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311 Union Avenue SE, Calgary

Seton
ActiveMLS® A2341965· 51 days on market
$619,000
$369 per sq ft (asking)
3
Bedrooms
4.5
Bathrooms
1,679
Sq ft
2024
Year built
$4,060
Property tax (2025)
2,398
Lot sq ft
CalgaryListings Insight
Set in Seton, 311 Union Avenue SE is a 3-bedroom home built in 2024, offering 4.5 bathrooms and 1,679 sq ft of living space above grade. Notable features include a fully finished basement with a separate entrance and vinyl plank flooring. Before writing, ask about recent comparable sales, inspection items, permits, basement development, and long-term resale fit. If rental income is part of the plan, verify suite legality, permits, insurance, lender treatment, and current lease details before removing conditions. MLS® A2341965.

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About this property

**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 Taxes
$4,060/yr (2025)

Listing Information

MLS® NumberA2341965
StatusActive
List Price$619, 000
Days on Market51 days

Property Details

Property TypeSemi Detached (Half Duplex)
Architectural Style2 Storey, Attached-Side by Side
ZoningR-G
Above-Grade Sq Ft1, 679 sq ft
Year Built2024
Bedrooms3
Full Bathrooms4
Half Bathrooms1
Total Bathrooms4.5

Interior

BasementFull, Finished, Separate/Exterior Entry
FlooringCarpet, Ceramic Tile, Vinyl Plank
Fireplaces0
HeatingForced Air, Hot Water, Natural Gas
Air ConditioningNone

Exterior & Parking

ExteriorStone, Vinyl Siding
RoofAsphalt Shingle, Metal
FoundationPoured Concrete
Total Parking2
Patio / DeckFront Porch

Site & Lot

Lot Size2, 398 sq ft
Lot Acres0.06 acres
Lot Width22.15
Lot FeaturesBack Lane
Legal Description2212020

Inclusions

Dishwasher,Dryer,Electric Stove,Microwave,Washer,Window Coverings

Room Dimensions

Main Level
Dining Room7`2" × 13`4"
Kitchen9`8" × 14`1"
Living Room17`2" × 12`11"
Second Level
Bedroom - Primary11`0" × 12`11"
Bedroom9`7" × 11`0"
Bedroom8`2" × 11`11"
4pc Bathroom7`11" × 4`11"
4pc Ensuite bath5`9" × 12`4"
Family Room11`7" × 16`7"
Laundry6`4" × 6`8"
Basement Level
Bedroom10`8" × 13`0"
4pc Bathroom4`11" × 8`11"
Kitchen8`10" × 8`9"
Living Room12`8" × 21`4"
Bonus Room4`9" × 9`8"

Listing Office

2% Realty
Listing data provided via MLS®. Not intended to solicit buyers or sellers already under contract.

Property History

No previous MLS® listings on record for this property — this appears to be its first time offered. Want to know how often homes nearby change hands? Ask our team.

What did similar homes here actually sell for?

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What stands out about this listing

  • Time on marketOn the market 51 days. Semi-detached homes that sold in Seton over October 2025 – September 2026 averaged 74 days.

Worked out from this MLS® record, our published community data and the other active listings in Seton. Asking prices only; individual sold prices stay members-only under Alberta VOW rules.

Where this price sits in Seton

Asking $619,000. That is about 7% above the $580,000 median sale price for semi-detached homes in Seton over October 2025 – September 2026, across 33 recorded sales. Those sales took 74 days on the market on average. Across all home types, sellers in Seton got 98.2% of their asking price on average and the community was carrying 4.1 months of supply.

Aggregate MLS® statistics from our own published dataset (community medians, methodology). Medians are not adjusted for size, age or condition, and individual sold prices stay members-only under Alberta VOW rules.

Schools near this home

  • Joane Cardinal-Schubert High SchoolPublic (CBE) · Senior High · 673 m · about 3 mins by carSchool website
  • Lakeshore SchoolPublic (CBE) · Elementary/Junior High · 2.6 km · about 7 mins by carSchool website
  • Auburn Bay SchoolPublic (CBE) · Elementary · 2.9 km · about 8 mins by carSchool website
  • All Saints High SchoolCatholic (CCSD) · about 14 mins by carSchool website

Distances and drive times are measured from the centre of Seton, not from this address. Designation depends on address, grade, program and capacity and changes from year to year — check the CBE or Calgary Catholic finder before you buy.

Commute from Seton

DestinationBy carBy transit
Downtown Calgary28 mins1 hour 16 mins
University of Calgary29 mins1 hour 44 mins
Foothills Medical Centre28 mins1 hour 53 mins
Mount Royal University23 mins1 hour 36 mins
Calgary International Airport28 mins1 hour 55 mins
Westside Recreation Centre25 mins1 hour 41 mins

Off-peak estimates measured from the centre of Seton, not from this address. Live traffic varies.

Who lives in Seton

  • 3,590Population
  • 2.1Average household size
  • 49%Owner-occupied households
  • $80KMedian household income
  • 17%Residents aged 0–14

2021 Census of Canada, via the City of Calgary community profile — long-term neighbourhood context, not current market activity. Full Seton census profile →

Questions about this home

Is 311 Union Avenue SE for sale?

Yes. 311 Union Avenue SE in Seton is an active MLS® listing (MLS® A2341965). It has been on the market 51 days. Listing data last updated 2026-10-22.

What is the asking price of 311 Union Avenue SE?

311 Union Avenue SE in Seton is listed at $619,000.

How many bedrooms and bathrooms does 311 Union Avenue SE have?

311 Union Avenue SE in Seton has 3 bedrooms and 4.5 bathrooms. The listing records 1,679 sq ft above grade. It is a semi-detached home (half duplex).

How does the asking price of 311 Union Avenue SE compare with the Seton market?

Its $619,000 asking price is about 7% above the $580,000 median sale price for semi-detached homes in Seton (October 2025 – September 2026, 33 sales). Medians are not adjusted for size, age or condition.

Live MLS® Data · Calgary Listings Group · Serving Calgary Since 1997

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