Calgary · Downtown Commercial Core
320 4 Avenue SW
320 4 Avenue SW is a commercial property in Downtown Commercial Core, Calgary, built in 1964 on a 77,832 sq ft lot. The City of Calgary assessed it at $68,570,000 for 2026, +6.0% over 3 years.
$68,570,000
2026 assessed value
Change in assessed value
- 3 years+6.0%
- 5 years-13.3%
- 10 years-48.3%
- 20 years+51.7%
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
- $75,420,000
- Year built
- 1964
- Lot size
- 77,832 sq ft
- Zoning
- CR20-C20/R20
- City use code
- C505
Building history
- 1964 · BuiltCity assessment records
- 2008 · Restaurant builtBuilding 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 (50)
- Commercial / multi family project (improvement)Building permit · Sep 2026 · est. $50,000 · in review · BP2026-18782
- Fire alarm modificationsBuilding permit · Jun 2026 · est. $5,000 · completed · BP2026-09978
- Fire alarm modificationsBuilding permit · Jan 2026 · est. $2,800 · issued · BP2026-00733
- Interior alterationBuilding permit · Aug 2024 · est. $1,700,000 · completed · BP2024-13642
- Fire alarm alteration (Westen Hotel).Building permit · Sep 2023 · est. $3,500 · completed · BP2023-16200
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
- 220 4 Avenue SW$67.91M
- 240 4 Avenue SW$58.30M
- 308 4 Avenue SW$226.00M
- 400 4 Avenue SW$57.80M
- 401 4 Avenue SW$5.35M
- 435 4 Avenue SW$7.45M
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.