20865 Main Street SE
20865 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 $648,000 for 2026.
$648,000
2026 assessed value · about $4,310 a year in property tax
Compared with 363 duplexes in Seton
Valued above about 55% of duplexes in Seton. The typical one is assessed at $644K; this one is about the same.
Similar homes nearby
- 20869 Main Street SE$661K · built 2022
- 20861 Main Street SE$665K · built 2022
- 20873 Main Street SE$655K · built 2023
- 20857 Main Street SE$650K · built 2022
- 20877 Main Street SE$684K · 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 $661K; this one is about the same.
Facts
- Kind of property
- House
- 2025 assessed value
- $642,500
- 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.
Legal secondary suite
On the City of Calgary's secondary suite registry: approved and inspected, Feb 2024.
Permits (2)
- Secondary SuiteBuilding permit · Jan 2024 · est. $45,237 · completed · BP2023-22022
- New semi-detached house, porchBuilding permit · Dec 2022 · est. $170,372 · 1 new home · completed · BP2022-19963
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.