1818 31 Avenue SW
1818 31 Avenue SW is a house in South Calgary, Calgary, built in 1947 on a 5,371 sq ft lot. The City of Calgary assessed it at $891,500 for 2026, +21.7% over 3 years.
$891,500
2026 assessed value · about $5,930 a year in property tax
Change in assessed value
- 3 years+21.7%
- 5 years+32.8%
- 10 years+30.2%
- 20 years+187.6%
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 482 detached houses in South Calgary
Valued above about 50% of detached houses in South Calgary. The typical one is assessed at $892K; this one is about the same.
Similar homes nearby
- 1826 31 Avenue SW$763K · built 1947
- 1832 31 Avenue SW$779K · built 1947
- 1817 31 Avenue SW$686K · built 1947
- 1813 31 Avenue SW$750K · built 1947
- 1823 31 Avenue SW$757K · built 1947
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 $757K; this one is 18% higher.
Facts
- Kind of property
- House
- 2025 assessed value
- $843,000
- Year built
- 1947
- Lot size
- 5,371 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.
Permits (4)
- GarageBuilding permit · Oct 2026 · est. $77,441 · in review · BP2026-18861
- New house, basement development, fireplace, porchBuilding permit · Oct 2026 · est. $435,746 · 1 new home · in review · BP2026-18860
- Demolition (demolition)Building permit · Oct 2026 · issued · BP2026-18586
- New: single detached dwelling, accessory residential building (garage)Development permit · May 2026 · approved · DP2026-01710
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.