Calgary · Winston Heights/Mountview
811 20A Avenue NE
811 20A Avenue NE is a house in Winston Heights/Mountview, Calgary, built in 2014 on a 3,998 sq ft lot. The City of Calgary assessed it at $1,290,000 for 2026, +24.0% over 3 years.
$1,290,000
2026 assessed value · about $8,580 a year in property tax
Change in assessed value
- 3 years+24.0%
- 5 years+34.4%
- 10 years+25.2%
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 773 detached houses in Winston Heights/Mountview
In the top tenth of detached houses in Winston Heights/Mountview. The typical one is assessed at $693K; this one is 86% higher.
Similar homes nearby
- 809 20A Avenue NE$1.32M · built 2016
- 807 20A Avenue NE$1.33M · built 2016
- 46A Montrose Crescent NE$1.06M · built 2022
- 46B Montrose Crescent NE$1.07M · built 2022
- 49A Montrose Crescent NE$1.08M · built 2022
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 $1.08M; this one is 19% higher.
Facts
- Kind of property
- House
- 2025 assessed value
- $1,210,000
- Year built
- 2014
- Lot size
- 3,998 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.
Building history
- 2014 · House demolishedBuilding permit
- 2014 · 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 (5)
- New: contextual single detached dwelling (centre parcel), accessory residential building (garage)Development permit · Nov 2014 · approved · DP2014-3926
- GarageBuilding permit · Aug 2014 · est. $28,358 · completed · BP2014-12804
- New house, basement development, fireplace, porchBuilding permit · Aug 2014 · est. $364,974 · 1 new home · completed · BP2014-10467
- Demolition (demolition)Building permit · Jun 2014 · completed · BP2014-04829
- New: single detached dwelling (east parcel), accessory residential building (garage)Development permit · Jun 2014 · approved · DP2014-0867
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.