CanPermits · property records report · canpermits.com/address/320-4-av-sw-calgary

320 4 Av SW

City of Calgary

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Here’s what the public record shows about this property.

Buying a home is one of the biggest financial decisions most people make, and some of this is easiest to check before you commit. Every line below is a fact from the City’s open data, not our opinion.

Has this property been altered?: 46 building permits on record since 1999, most recently Jan 20, 2026.; 16 development applications on file (HOTEL, HOTEL; OFFICES, HOTEL; OUTDOOR CAFE, OUTDOOR CAFE, SIGN, SIGN - CLASS C, SIGNS - CLASS 1, SIGNS - CLASS 1; SIGNS - CLASS 2), most recently filed Oct 5, 2022.
What’s the land-use designation?: CR20-C20/R20 · Commercial - Residential Core · as of Jul 6, 2026
What could change around it?: 24 active construction records within 250 m of this address.
What’s the City’s assessed value?: $68,570,000 · as of Jan 13, 2026.

Each line is a fact from the City’s open record. Open the full report for the complete timeline, every nearby project, and the assessment detail.

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Sources we check for every address (25 data sources)

Building permits
Building & trade inspections
Business licences
Land-use designation & zoning
Assessed value & lot size
Year of construction
Registered secondary suites
Community boundaries
Development permits
Land-use redesignation (rezoning) applications
Active construction
Short-term rental licences
Flood plain regulation
2013 flood inundation extent
Modelled flood depth scenarios
CTrain (LRT) stations
Transit stops
Parks & off-leash areas
Fire stations
Fire hydrants
EMS stations
Health facilities (hospitals & care)
Water pressure zones
Water-main breaks
311 service requests

Contains information licensed under the Open Government Licence – City of Calgary.

Building permit timeline

Year-grouped permit history. Permits collapse under each year.

View full permit history

1999

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2021

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2025

2026

2026
1 filing · most recent January 2026
View permits (1) Hide permits
1. Jan 20, 2026
  
  Fire alarm modifications $3K
  
  PHOTON ELECTRIC
2025
1 filing
View permits (1) Hide permits
1. Jan 8, 2025
  
  HVAC mechanical permit — (Contractor's Heating, Ventilation and Air Condition...
  
  Mechanical · ATMOSPHERE AIR
2024
3 filings
View permits (3) Hide permits
1. Dec 17, 2024
  
  Electrical permit — (Contractor's Electrical Permit) — Improvement
  
  Electrical · BISON TECHNICAL SERVICES
2. Aug 7, 2024
  
  Interior alteration $1.7M
  
  LEADING EDGE DEVELOPMENTS
3. Jul 5, 2024
  
  FITNESS CENTRE
  
  Tenancy Change
2023
4 filings
View permits (4) Hide permits
1. Sep 22, 2023
  
  Fire alarm alteration (Westen Hotel). $4K
  
  INCOM ELECTRIC
2. Sep 21, 2023
  
  Electrical permit — (Contractor's Fire Alarm Permit) — Improvement
  
  Electrical · INCOM ELECTRIC
3. Jul 20, 2023
  
  Fire Alarm Upgrade $1K
  
  DAVCO POWER SYSTEMS
4. Jun 13, 2023
  
  Electrical permit — (Contractor's Fire Alarm Permit) — Improvement
  
  Electrical · DAVCO POWER SYSTEMS
2022
3 filings
View permits (3) Hide permits
1. Oct 27, 2022
  
  Gas mechanical permit — (Contractor's Gas Permit) — Improvement
  
  Gas · HOOVER MECHANICAL PLUMBING & HEATING
2. Oct 5, 2022
  
  NEW: SIGN - CLASS C (FREESTANDING SIGNS - 2)
  
  Development · PRIORITY PERMITS
3. Oct 5, 2022
  
  Application SIGN - CLASS C
  
  Released

View 19 earlier years

2021
3 filings
View permits (3) Hide permits
1. Jun 2, 2021
  
  CHANGES TO SITE PLAN: OUTDOOR CAFE (SOUTH WEST ELEVATION)
  
  Development · WESTIN HOTEL
2. Jun 2, 2021
  
  Application OUTDOOR CAFE
  
  Released
3. Apr 22, 2021
  
  Electrical permit — (Contractor's Electrical Permit) — Improvement
  
  Electrical · HAZA RENTALS
2020
2 filings
View permits (2) Hide permits
1. Oct 29, 2020
  
  Electrical permit — (Contractor's Electrical Permit) — Improvement
  
  Electrical · K D L ELECTRICAL SERVICES
2. Jul 20, 2020
  
  Westin Hotel - Fire Alarm upgrade $5K
  
  AMP ELECTRIC
2018
4 filings
View permits (4) Hide permits
1. Sep 26, 2018
  
  Electrical permit — (Contractor's Electrical Permit) — Improvement
  
  Electrical · CREW ELECTRICAL SERVICES
2. Sep 19, 2018
  
  Plumbing permit — (Contractor's Plumbing Permit) — Improvement
  
  Plumbing · JE TAYLOR PLUMBING
3. Aug 27, 2018
  
  Interior Alterations $160K
  
  LEADING EDGE DEVELOPMENTS
4. Jul 24, 2018
  
  Repair $4K
  
  AMP ELECTRIC
2017
1 filing
View permits (1) Hide permits
1. Nov 16, 2017
  
  The Westin Interior Alterations / +15 Level Security Doors $4K
  
  SPECTRUM ARCHITECTURE
2014
1 filing
View permits (1) Hide permits
1. Jun 6, 2014
  
  repair of precast $539K
  
  SURE SEAL CONTRACTING
2013
2 filings
View permits (2) Hide permits
1. Jul 25, 2013
  
  Parkade Repair $1.1M
  
  BURTON GENERAL CONTRACTING
2. Jun 11, 2013
  
  REPAIR PARKADE AND TEMPORARY SHORING $14K
  
  ROCKY MOUNTAIN ENGINEERING
2012
1 filing
View permits (1) Hide permits
1. Sep 21, 2012
  
  Application SIGNS - CLASS 1
  
  Released
2009
1 filing
View permits (1) Hide permits
1. Dec 6, 2009
  
  Fire Alarm Installation $306K
  
  MIRCOM CALGARY
2008
3 filings
View permits (3) Hide permits
1. May 28, 2008
  
  Interior Renovations Lower Level Meeting Rooms $870K
  
  CANADIAN ROCKIES WOODCRAFT
2. Apr 2, 2008
  
  OUTDOOR PATIO $725K
  
  KARSON BUILDERS
3. Mar 12, 2008
  
  Application HOTEL
  
  Released
2007
8 filings
View permits (8) Hide permits
1. Dec 27, 2007
  
  Application SIGNS - CLASS 1; SIGNS - CLASS 2
  
  Cancelled
2. Sep 17, 2007
  
  Application OUTDOOR CAFE
  
  Released
3. Aug 31, 2007
  
  Interior Alterations $400K
  
  CANADIAN ROCKIES WOODCRAFT
4. Jun 15, 2007
  
  interior alterations & use confirmation $3.5M
  
  ARNDT TKALCIC ARCHITECTURE
5. Apr 29, 2007
  
  New Interior Partitioning $300K
  
  GOODFELLOW ARCHITECTURE
6. Apr 2, 2007
  
  Application HOTEL; OUTDOOR CAFE
  
  Released
7. Mar 9, 2007
  
  INTERIOR ALTERATION $475K
  
  CALCON CONSTRUCTION
8. Jan 12, 2007
  
  Exterior Alterations $400K
  
  GOODFELLOW LACHAPELLE ARCHITECTURE
2006
12 filings
View permits (12) Hide permits
1. Oct 23, 2006
  
  Interior Alteration (Existing Tenant, Leasehold Improvement) $960K
  
  GOODFELLOW ARCHITECTURE
2. Oct 3, 2006
  
  Application HOTEL
  
  Cancelled
3. Sep 7, 2006
  
  Application HOTEL
  
  Released
4. Aug 31, 2006
  
  Exterior Alteration $400K
  
  GOODFELLOW ARCHITECTURE
5. Aug 25, 2006
  
  Interior Alterations (Conference Room) $75K
  
  GOODFELLOW ARCHITECTURE
6. Aug 21, 2006
  
  Interior Demolition of Partitions $80K
  
  GOODFELLOW LACHAPELLE ARCHITECTURE
7. Aug 4, 2006
  
  Interior Alterations $100K
  
  GOODFELLOW ARCHITECTURE
8. Jul 20, 2006
  
  MAIN FLOOR - BUSINESS CENTRE $50K
  
  GOODFELLOW ARCHITECTURE
9. Jul 20, 2006
  
  Interior Partition $300K
  
  GOODFELLOW ARCHITECTURE
10. Jun 29, 2006
  
  Interior Demolition Only $40K
  
  GOODFELLOW ARCHITECTURE
11. Jun 8, 2006
  
  Application HOTEL; OFFICES
  
  Released
12. Jun 2, 2006
  
  Application HOTEL
  
  Released
2004
2 filings
View permits (2) Hide permits
1. Jul 15, 2004
  
  Interior Alteration $180K
  
  C L HARRADENCE ASSOCIATES
2. Apr 26, 2004
  
  Application OUTDOOR CAFE
  
  Released
2003
2 filings
View permits (2) Hide permits
1. Dec 15, 2003
  
  Exterior Alterations and Sign $92K
  
  LIGNUM INTERIORS
2. Jul 3, 2003
  
  Application HOTEL
  
  Released
2001
2 filings
View permits (2) Hide permits
1. Nov 29, 2001
  
  Interior Renovations/Upgrading $1.7M
  
  PALCOR CONSTRUCTORS
2. Mar 23, 2001
  
  Interior Alterations to Existing Tenant $106K
  
  PALCOR CONSTRUCTORS
2000
2 filings
View permits (2) Hide permits
1. Mar 1, 2000
  
  New ceiling & new man door inside parkade $20K
  
  MIKE MAURICE ASSOCIATES INC
2. Feb 7, 2000
  
  Int. Alt. for Retail Shop $50K
  
  MIKE MAURICE ASSOCIATES INC
1999
1 filing
View permits (1) Hide permits
1. Jul 14, 1999
  
  INT. ALT. TO EXISTING BALLROOM (2ND FLOOR) $250K
  
  BLUE TREE HOTELS INVESTMENT (CANADA) LTD
1998
1 filing
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1. Apr 8, 1998
  
  Application HOTEL
  
  Released
1996
1 filing
View permits (1) Hide permits
1. Jun 27, 1996
  
  Application SIGN
  
  Released
1989
1 filing
View permits (1) Hide permits
1. May 30, 1989
  
  Application HOTEL
  
  Expired

Nearby Construction

Within 250 m

Active and recent construction within 250 m of this address.

24 locations shown

Sort

1

355 4 Av SW

Renovation ×3

33 m
2

320 5 Av SW

Renovation

42 m
3

407 3 St SW

Renovation

78 m
4

308 4 Av SW

Renovation ×6

90 m
5

400 4 Av SW

Renovation ×19

100 m
6

330 5 Av SW

Renovation ×2

110 m
7

407 2 St SW

Renovation

121 m
8

400 5 Av SW

Renovation

131 m
9

333 5 Av SW

Renovation

135 m
10

400 3 Av SW

Renovation ×6

149 m
11

300 5 Av SW

Renovation ×4

153 m
12

240 4 Av SW

Renovation ×3

167 m
13

500 4 Av SW

Renovation ×3

174 m
14

441 5 Av SW

Renovation

175 m
15

237 4 Av SW

Renovation

184 m
16

505 2 St SW

Renovation ×2

186 m
17

215 2 St SW

Renovation ×3

191 m
18

220 4 Av SW

Renovation ×2

208 m
19

332 6 Av SW

Renovation

210 m
20

255 5 Av SW

Renovation

226 m
21

520 5 Av SW

Renovation ×2

229 m
22

440 2 Av SW

Renovation

241 m
23

321 6 Av SW

Renovation

241 m
24

520 4 Av SW

New Build

243 m

New Build

Renovation

Construction activity detected within 250 m, from the City of Calgary's open data. Each pin is a City-geocoded point (which may hold more than one record/address); click for details. Contains information licensed under the Open Government Licence – City of Calgary.

Nearby active addresses

Direct next steps for exploration.

320 4 Av SW in Calgary has 46 building permits on record dating back to 1999, most recently on January 20, 2026.