Calgary · Downtown Commercial Core
400 4 Avenue SW
400 4 Avenue SW is a commercial property in Downtown Commercial Core, Calgary, built in 1976 on a 65,493 sq ft lot. The City of Calgary assessed it at $57,800,000 for 2026, -14.0% over 3 years.
$57,800,000
2026 assessed value
Change in assessed value
- 3 years-14.0%
- 5 years-34.8%
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.
Facts
- Kind of property
- Commercial property
- 2025 assessed value
- $59,500,000
- Year built
- 1976
- Lot size
- 65,493 sq ft
- Zoning
- CR20-C20/R20
- City use code
- C101
Permits (177)
- Interior Alteration- DemolitionBuilding permit · Jun 2026 · est. $40,297 · completed · BP2026-09591
- Interior alterationsBuilding permit · Apr 2026 · est. $20,000 · issued · BP2026-03312
- Interior AlterationsBuilding permit · Mar 2026 · est. $150,000 · issued · BP2026-02469
- Interior Alteration - New Office SuiteBuilding permit · Mar 2026 · est. $2,279,000 · issued · BP2025-23992
- Interior AlterationsBuilding permit · Feb 2026 · est. $1,000,000 · issued · BP2025-24001
From the City of Calgary's open data, up to Oct 2026. The map lists every one. Costs are the applicant's estimate.
Along 4 Avenue SW
- 240 4 Avenue SW$58.30M
- 308 4 Avenue SW$226.00M
- 320 4 Avenue SW$68.57M
- 401 4 Avenue SW$5.35M
- 435 4 Avenue SW$7.45M
- 500 4 Avenue SW$14.30M
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.