4824 21 Avenue NW
4824 21 Avenue NW is a house in Montgomery, Calgary, built in 2001 on a 3,011 sq ft lot. The City of Calgary assessed it at $722,500 for 2026, +18.8% over 3 years.
$722,500
2026 assessed value · about $4,800 a year in property tax
Change in assessed value
- 3 years+18.8%
- 5 years+33.7%
- 10 years+22.7%
- 20 years+162.7%
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 636 duplexes in Montgomery
Valued above about 35% of duplexes in Montgomery. The typical one is assessed at $819K; this one is 12% lower.
Similar homes nearby
- 4822 21 Avenue NW$777K · built 2001
- 4829 22 Avenue NW$688K · built 2001
- 4831 22 Avenue NW$690K · built 2001
- 4825 21 Avenue NW$809K · built 2008
- 4827 21 Avenue NW$822K · built 2008
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 $777K; this one is 7% lower.
Facts
- Kind of property
- House
- 2025 assessed value
- $753,500
- Year built
- 2001
- Lot size
- 3,011 sq ft
- Zoning
- R-C2,R-CG
- City use code
- R120
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.
Building history
- 2001 · House demolishedBuilding permit
- 2001 · Semi-detached house builtCity assessment records and building permit
Years built from the City's assessment rolls (2020 on), and completed permits for new buildings and demolitions (1999 on). Where they disagree, both are shown.
Permits (4)
- Relaxation: accessory residential building (existing garage) - driveway lengthDevelopment permit · Apr 2008 · approved · DP2008-1325
- New semi-detached house, fireplace, garage, deck, porchBuilding permit · Apr 2001 · est. $218,485 · completed · BP2001-01814
- Demolition (demolition)Building permit · Mar 2001 · completed · BP2000-13417
- Semi-detached infill with detached garageDevelopment permit · Feb 2001 · approved · DP2001-0115
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.