1213 Prospect Avenue SW

1213 Prospect Avenue SW is a house in Upper Mount Royal, Calgary, built in 1912 on a 27,844 sq ft lot. The City of Calgary assessed it at $6,970,000 for 2026, +27.4% over 3 years.

$6,970,000

2026 assessed value · about $46,350 a year in property tax

See it on the 3D map

Change in assessed value

3 years+27.4%
5 years+39.4%
10 years+16.6%
20 years+92.0%

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.

Compared with 788 detached houses in Upper Mount Royal

In the top tenth of detached houses in Upper Mount Royal. The typical one is assessed at $2.12M; this one is 230% higher.

Facts

Kind of property: House
2025 assessed value: $6,880,000
Year built: 1912
Lot size: 27,844 sq ft
Zoning: R-C1,R-CG
City use code: R110

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 (3)

Addition, Deck, GarageBuilding permit · May 2004 · est. $57,093 · completed · BP2004-05386
Addition to dwelling (sub-grade garage, deck, and balcony)Development permit · Mar 2004 · approved · DP2003-3472
Residential improvement project (improvement)Building permit · Aug 2003 · est. $50,000 · completed · BP2003-09517

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

Along Prospect 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.