3811 18 Street SW
3811 18 Street SW is a house in Altadore, Calgary, built in 1982 on a 4,931 sq ft lot. The City of Calgary assessed it at $972,500 for 2026, +29.9% over 3 years.
$972,500
2026 assessed value · about $6,470 a year in property tax
Change in assessed value
- 3 years+29.9%
- 5 years+43.0%
- 10 years+21.9%
- 20 years+101.1%
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 1,267 detached houses in Altadore
Valued above about 15% of detached houses in Altadore. The typical one is assessed at $1.27M; this one is 23% lower.
Similar homes nearby
- 3804 19 Street SW$1.29M · built 1989
- 4002 19 Street SW$853K · built 1980
- 4001 17 Street SW$1.00M
- 4104 17 Street SW$1.09M · built 1981
- 1925 31 Avenue SW$1.27M · built 1985
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 $1.09M; this one is 11% lower.
Facts
- Kind of property
- House
- 2025 assessed value
- $929,500
- Year built
- 1982
- Lot size
- 4,931 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 (2)
- Side yard relaxation for existing dwellingDevelopment permit · Oct 1997 · approved · DP1997-2975
- Relaxation for two storey garageDevelopment permit · Oct 1992 · approved · DP1992-2230
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.