321 23 Avenue SW

321 23 Avenue SW is a residential building in Mission, Calgary, built in 1912 on a 4,335 sq ft lot. The City of Calgary assessed it at $964,000 for 2026, +17.6% over 3 years.

$964,000

2026 assessed value · about $6,410 a year in property tax

See it on the 3D map

Change in assessed value

3 years+17.6%
5 years+23.6%
10 years+34.6%

The change in the City's assessment of the same property, to 2026. Years before the building was finished or before a jump in its value are left out.

Facts

Kind of property: Residential building
2025 assessed value: $981,500
Year built: 1912
Lot size: 4,335 sq ft
Zoning: DC
City use code: R020

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 (5)

Home occupation - class 2: hair stylist [2 years]Development permit · Dec 2010 · approved, expired · DP2010-4302
Home occupation - class 2: hair stylist (2 years)Development permit · Oct 2008 · approved, expired · DP2008-2953
: personal service business/establishmentDevelopment permit · May 2008 · refused · DP2007-1300
GarageBuilding permit · Apr 2007 · est. $18,820 · completed · BP2007-04146
Home occupation class 2 - hair studio (one year)Development permit · Nov 2006 · approved, expired · DP2006-3276

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

Along 23 Avenue SW

From the City of Calgary's open assessment data. An assessment is the City's estimate of market value on July 1, 2025, for property tax; it is not a sale price. The map also shows building permits, legal suites and homes for sale or rent.