4830 21 Avenue NW
4830 21 Avenue NW is a house in Montgomery, Calgary, built in 2014 on a 3,480 sq ft lot. The City of Calgary assessed it at $1,410,000 for 2026, +20.5% over 3 years.
$1,410,000
2026 assessed value · about $9,380 a year in property tax
Change in assessed value
- 3 years+20.5%
- 5 years+33.0%
- 10 years+73.5%
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 107% higher.
Similar homes nearby
- 4832 21 Avenue NW$1.34M · built 2016
- 4816 21 Avenue NW$1.00M · built 2020
- 4814 21 Avenue NW$1.01M · built 2021
- 2311 48 Street NW$1.03M · built 2021
- 5007 23 Avenue NW$1.46M · built 2007
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 $1.03M; this one is 37% higher.
Facts
- Kind of property
- House
- 2025 assessed value
- $1,400,000
- Year built
- 2014
- Lot size
- 3,480 sq ft
- Zoning
- R-C2,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 (2)
- GarageBuilding permit · May 2015 · est. $19,286 · completed · BP2015-05460
- New house, basement development, fireplace, deck, porchBuilding permit · Dec 2014 · est. $459,192 · 1 new home · completed · BP2014-18678
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.