403 Union Avenue SE

$541,500

2026 assessed value · about $3,600 a year in property tax

See it on the 3D map

Compared with 1,082 townhouses in Seton

Valued above about 90% of townhouses in Seton. The typical one is assessed at $459K; this one is 18% higher.

Similar homes nearby

• 399 Union Avenue SE$489K · built 2023
• 395 Union Avenue SE$542K · built 2023
• 343 Union Avenue SE$542K · built 2023
• 339 Union Avenue SE$489K · built 2023
• 335 Union Avenue SE$639K · built 2023

The closest homes of the same kind, built within 8 years of this one and on a lot within 30% of its size. Their middle value is $542K; this one is about the same.

Facts

Kind of property

Townhouse

2025 assessed value

$586,500

Year built

2023

Lot size

2,399 sq ft

Zoning

R-G

City use code

R402

Think this value is wrong?

The City of Calgary mails assessment notices each January. During the review period that follows you can ask the City's assessors to look again, and by the deadline printed on your notice you can file a complaint with the Assessment Review Board. Values of similar homes nearby, like the ones above, are the usual starting point. Details are on calgary.ca under property assessment.

Permits (4)

• Secondary suite -TownhouseBuilding permit · Aug 2026 · est. $35,000 · issued · BP2026-03687
• 3 Unit detached garageBuilding permit · Jun 2026 · est. $50,000 · completed · BP2026-07737
• 3 Unit Residential Rowhouse - Building 1Building permit · Mar 2023 · est. $526,968 · 3 new homes · completed · BP2023-01855
• New: rowhouse building (1 building)Development permit · Feb 2023 · approved · DP2022-08052

From the City of Calgary's open data, up to Oct 2026. Costs are the applicant's estimate.