320 23 Ave SW
Office · mid-rise office building · built 1978 · 320 23 Ave SW
- Civic address
- 320 23 Ave SW, Calgary, AB
- Community
- Mission (MIS)
- City sub-property use
- C101 Office · all Office sites
- Land use district
- C-O — Commercial - Office (Commercial)
- Height rank
- #228 of 580 citywide · #5 of 6 in Mission
- Site coverage
- 32% of parcel under LiDAR footprints
- Parcel pieces
- 1 titled piece · roll 079032504
- Coordinates
- 51.032713, -114.070009
Massing and site plan
Left: isometric massing of every LiDAR structure on the parcel, at true scale, viewed from the south-west with 3.9 m storey lines. Right: plan of the parcel with surrounding footprints, Plus 15 walkways and nearby stations. Open this building in the 3D city →
How it compares
Roof height against the Mission median and tallest, and against the city.
Access
Public-geometry tests only; confirm routes, entrances and hours with the building.
CTrain
Nearest station: Erlton/Stampede, 779 m straight-line (route 201).
Plus 15
Outside the Plus 15 network area.
Assessment history
Assessed values are The City of Calgary’s taxation figures by roll year, not sale prices or rents; Alberta does not publish transaction prices.
Roll 079032504 · Office
Series not charted. The City’s published values for this roll number change by more than half or double between years, which usually signals a re-numbered, split or partially assessed account rather than a market movement. The published figures are listed below without a trend claim.
Published values by roll year
| Roll year | Assessed value | Change |
|---|---|---|
| 2005 | $1.9M | — |
| 2006 | $3.1M | 60.1% |
| 2007 | $4.8M | 57.0% |
| 2008 | $6.4M | 31.5% |
| 2009 | $7.3M | 14.3% |
| 2010 | $6.8M | -7.0% |
| 2011 | $6.3M | -6.6% |
| 2012 | $6.0M | -5.4% |
| 2013 | $7.1M | 18.7% |
| 2014 | $8.1M | 13.5% |
| 2015 | $6.3M | -21.4% |
| 2016 | $7.4M | 16.6% |
| 2017 | $6.9M | -6.5% |
| 2018 | $5.6M | -19.0% |
| 2019 | $5.8M | 4.3% |
| 2020 | $5.8M | 0.0% |
| 2021 | $5.5M | -5.5% |
| 2022 | $5.5M | 0.0% |
| 2023 | $5.2M | -6.0% |
| 2024 | $5.2M | 0.0% |
| 2025 | $4.5M | -12.5% |
| 2026 | $2.2M | -52.0% |
Development and building permits
Applications the City has located on this parcel since 2012, from the Development Permits and Building Permits datasets.
Recent development permits 10 since 2012
| Applied | Permit | Category · description | Status |
|---|---|---|---|
| 2019-11-29 | DP2019-6115 | Change of Use - Permitted Use CHANGE OF USE: OFFICE | Released Approval |
| 2019-05-01 | DP2019-2121 | Change of Use - Discretionary Use or Relaxations Required CHANGE OF USE: MEDICAL CLINIC - 7 PARKING STALLS | Released Approval |
| 2018-09-13 | DP2018-4391 | Change of Use - Permitted Use CHANGE OF USE: RETAIL AND CONSUMER SERVICE | Released Approval |
| 2018-08-03 | DP2018-3724 | Change of Use - Permitted Use CHANGE OF USE: MEDICAL CLINIC, OFFICE | Released Approval |
| 2016-04-27 | DP2016-1607 | Change of Use - Permitted Use CHANGE OF USE: OFFICE, INSTRUCTIONAL FACILITY (5 STUDENTS) | Released Approval |
| 2016-04-12 | DP2016-1363 | Change of Use - Permitted Use CHANGE OF USE: HEALTH SERVICES LABORATORY - WITH CLIENTS | Released Approval |
| 2015-02-20 | DP2015-0651 | Change of Use - Permitted Use CHANGE OF USE: OFFICE | Released Approval |
| 2014-06-30 | DP2014-3075 | Signs - Discretionary Use NEW: SIGN - CLASS C (FREESTANDING SIGN) | Released Approval |
Recent building permits 15 since 2012 · 11 in the City’s office class
| Applied | Permit | Class · work | Est. cost | Status |
|---|---|---|---|---|
| 2024-11-01 | BP2024-23231 | 3402 - Office · Improvement Interior alterations - Camber Financial Office | $100,000 | Completed |
| 2020-10-29 | BP2020-15856 | 3402 - Office · Improvement Interior Alterations | $35,000 | Completed |
| 2019-11-04 | BP2019-15076 | 3402 - Office · Unspecified Fire Alarm Modification / Upgrade | $11,600 | Completed |
| 2018-09-13 | BP2018-12336 | 3403 - Office, Medical · Improvement Group D Office | $40,000 | Completed |
| 2016-05-05 | BP2016-04574 | 3403 - Office, Medical · Improvement Interior Alteration | $5,000 | Completed |
| 2016-04-27 | BP2016-04117 | 3402 - Office · Improvement office renovations for new tenant | $40,000 | Completed |
| 2016-04-13 | BP2016-03450 | 5202 - Clinic · Improvement Interior Alteration | $50,000 | Completed |
| 2016-03-15 | BP2016-02249 | 3403 - Office, Medical · Improvement Interior Alteration, Group D | $83,500 | Completed |
Declared estimated project cost across all 15 non-residential building permits on the parcel since 2012: $1.2M. Permit descriptions are the City’s records at retrieval; applicant and contractor names are not reproduced.
Nearby office buildings
The six nearest office building sites in the record, by straight-line distance between parcel centroids.
320 23 Ave SW questions
Answers drawn from the record.
How tall is 320 23 Ave SW?
The main structure on the parcel has a LiDAR roof height of 17.7 m in The City of Calgary’s 3D building data, a storey-equivalent of about 5 at 3.9 m per storey.
When was 320 23 Ave SW built?
The City’s assessment roll records 1978 as the year of construction.
Which CTrain station is closest to 320 23 Ave SW?
Erlton/Stampede Station, 779 m in a straight line from the parcel centroid.
Is office space available at 320 23 Ave SW?
This profile is built from public records and does not track availability, rents or tenancy. Submit a private requirement and current options in the building or nearby will be confirmed through Commercially.
Public record sources: Current Year Property Assessments (Parcel), Historical Property Assessments (Parcel), Assessment Subproperty Use Codes, 3D Buildings - Citywide (LiDAR roof outlines), Land Use Districts, Transit LRT Stations, Green Line Stations, Plus 15, Historic Resource (Inventory of Evaluated Historic Resources), Development Permits, Building Permits, Calgary Existing Buildings - Performance Metrics (BenchmarkYYC) — The City of Calgary, retrieved 2026-09-21. Contains information licensed under the Open Government Licence – City of Calgary. Building names, floor counts and architects, where shown, come from Wikidata (CC0). No brokerage, listing-data or commercial research source is used.
Boundary: Assessed values are the City’s assessment-roll figures for taxation and are not sale prices, asking rents, vacancy or availability; Alberta does not publish transaction prices. LiDAR heights are roof-surface elevations above the lowest ground point at the building perimeter and can differ from architectural heights. Storey equivalents are derived at 3.9 m per storey and are not floor counts. Distances are straight-line. Permit descriptions are the City’s records at retrieval and do not establish current use, tenancy or availability. Read the methodology.