4651 21 Avenue SE
4651 21 Avenue SE is a house in Forest Lawn, Calgary, built in 1959 on a 6,638 sq ft lot. The City of Calgary assessed it at $485,500 for 2026, +25.9% over 3 years.
$485,500
2026 assessed value · about $3,230 a year in property tax
Change in assessed value
- 3 years+25.9%
- 5 years+63.2%
- 10 years+51.7%
- 20 years+190.7%
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 1,312 detached houses in Forest Lawn
Valued above about 60% of detached houses in Forest Lawn. The typical one is assessed at $474K; this one is about the same.
Similar homes nearby
- 2207 46 Street SE$435K · built 1959
- 2211 46 Street SE$450K · built 1959
- 2202 45 Street SE$515K · built 1958
- 2208 45 Street SE$447K · built 1958
- 2215 46 Street SE$433K · built 1958
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 $447K; this one is 9% higher.
Facts
- Kind of property
- House
- 2025 assessed value
- $489,000
- Year built
- 1959
- Lot size
- 6,638 sq ft
- Zoning
- H-GO
- 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.
Building history
- 1959 · BuiltCity assessment records
- 2025 · Building demolishedBuilding 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)
- 3 storey, 5-unit rowhome + 5 SSs + garageBuilding permit · Jun 2026 · est. $1,125,374 · 5 new homes · issued · BP2025-22651
- Demolition (demolition)Building permit · Dec 2025 · completed · BP2025-24171
- New: dwelling units (1 building), secondary suites, accessory residential building (garage)Development permit · Feb 2025 · approved · DP2024-06895
- Secondary SuiteBuilding permit · Oct 2019 · est. $500 · completed · BP2019-14720
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.