4515 21 Avenue NW
4515 21 Avenue NW is a house in Montgomery, Calgary, built in 2003 on a 5,994 sq ft lot. The City of Calgary assessed it at $1,190,000 for 2026, +26.9% over 3 years.
$1,190,000
2026 assessed value · about $7,910 a year in property tax
Change in assessed value
- 3 years+26.9%
- 5 years+42.5%
- 10 years+40.4%
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 823 detached houses in Montgomery
In the top tenth of detached houses in Montgomery. The typical one is assessed at $683K; this one is 74% higher.
Similar homes nearby
- 4512 21 Avenue NW$1.25M · built 2010
- 2110 44 Street NW$571K
- 4503 22 Avenue NW$739K · built 1997
- 4627 22 Avenue NW$1.34M · built 2011
- 4715 23 Avenue NW$1.47M · built 2006
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 $1.25M; this one is 5% lower.
Facts
- Kind of property
- House
- 2025 assessed value
- $1,190,000
- Year built
- 2003
- Lot size
- 5,994 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 (4)
- Basement developmentBuilding permit · Feb 2019 · est. $33,123 · completed · BP2019-01627
- GarageBuilding permit · Jul 2005 · est. $18,622 · completed · BP2005-10857
- New house, fireplace, porchBuilding permit · Dec 2003 · est. $176,834 · 1 new home · completed · BP2003-15344
- Single detached dwellingDevelopment permit · Oct 2003 · approved · DP2003-2728
From the City of Calgary's open data, up to Oct 2026. Costs are the applicant's estimate.
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.