20821 Main Street SE
20821 Main Street SE is a house in Seton, Calgary, built in 2022 on a 2,399 sq ft lot. The City of Calgary assessed it at $604,000 for 2026.
$604,000
2026 assessed value · about $4,020 a year in property tax
Compared with 363 duplexes in Seton
Valued above about 20% of duplexes in Seton. The typical one is assessed at $644K; this one is 6% lower.
Similar homes nearby
- 20817 Main Street SE$651K · built 2022
- 20825 Main Street SE$664K · built 2023
- 20813 Main Street SE$643K · built 2022
- 20829 Main Street SE$663K · built 2023
- 20833 Main Street SE$634K · built 2023
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 $651K; this one is 7% lower.
Facts
- Kind of property
- House
- 2025 assessed value
- $605,500
- Year built
- 2022
- Lot size
- 2,399 sq ft
- Zoning
- R-Gm
- 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.
Permits (1)
- New semi-detached house, porchBuilding permit · Aug 2022 · est. $173,375 · 1 new home · completed · BP2022-13204
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.