3912 12 Avenue SW
3912 12 Avenue SW is a house in Rosscarrock, Calgary, built in 1963 on a 4,225 sq ft lot. The City of Calgary assessed it at $567,500 for 2026, +30.6% over 3 years.
$567,500
2026 assessed value · about $3,770 a year in property tax
Change in assessed value
- 3 years+30.6%
- 5 years+45.7%
- 10 years+27.1%
- 20 years+167.1%
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 326 duplexes in Rosscarrock
Valued above about 30% of duplexes in Rosscarrock. The typical one is assessed at $800K; this one is 29% lower.
Similar homes nearby
- 3910 12 Avenue SW$568K · built 1963
- 3915A 10 Avenue SW$523K · built 1960
- 3915B 10 Avenue SW$524K · built 1960
- 1108 39 Street SW$596K · built 1964
- 1104 39 Street SW$511K · built 1964
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 $524K; this one is 8% higher.
Facts
- Kind of property
- House
- 2025 assessed value
- $553,000
- Year built
- 1963
- Lot size
- 4,225 sq ft
- Zoning
- M-C1
- 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, Dec 2021.
Permits (1)
- Secondary SuiteBuilding permit · Apr 2021 · est. $500 · completed · BP2021-06029
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.