4527 20 Av NW
City of Calgary
Before you make an offer
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?
- 8 building permits on record since 2006, most recently Sep 18, 2025.
- 3 development applications on file (ACCESSORY RESIDENTIAL BUILDING; CONTEXTUAL SEMI-DETACHED DWELLING, HOME OCCUPATION), most recently filed Oct 21, 2024. View building permit timeline
- What’s the land-use designation? Not an official zoning verification. CanPermits maps this from the city’s published open zoning data. Confirm the zoning with the municipality or a planner.
- R-CG · Residential - Grade-Oriented Infill · as of Jul 6, 2026
- What could change around it?
- 15 active construction records within 250 m of this address. View nearby construction
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.
Agents and sellers already check these records. Buyers usually haven’t.
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
Building permit timeline
Year-grouped permit history. Permits collapse under each year.
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2025
5 filingsView permits (5) Hide permits
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Sep 18, 2025
Electrical · PRIME ELECTRICAL SERVICES
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May 21, 2025
Electrical · PRIME ELECTRICAL SERVICES
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2024
2 filingsView permits (2) Hide permits
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Oct 21, 2024
Development · DESIGN HOUSE OF CALGARY
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Oct 21, 2024
Application ACCESSORY RESIDENTIAL BUILDING; CONTEXTUAL SEMI-DETACHED DWELLINGReleased
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2018
2 filingsView permits (2) Hide permits
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Sep 7, 2018
Development · DESIGN HOUSE OF CALGARY
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Sep 7, 2018
Application ACCESSORY RESIDENTIAL BUILDING; CONTEXTUAL SEMI-DETACHED DWELLINGReleased
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2006
1 filingView permits (1) Hide permits
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1995
1 filingView permits (1) Hide permits
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Sep 7, 1995
Application HOME OCCUPATIONReleased
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Nearby Construction
Within 250 mActive and recent construction within 250 m of this address.
15 locations shown
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1
46 m
4540 20 Av NW
Renovation -
2
81 m
4520 19 Av NW
New Build ×2 -
3
102 m
4535 21 Av NW
New Build ×2 -
4
104 m
4537 21 Av NW
New Build ×2 -
5
122 m
2123r 44 St NW
New Build -
6
138 m
2102b 44 St NW
New Build -
7
143 m
2236 44 St NW
New Build -
8
148 m
4508 21 Av NW
New Build -
9
183 m
4603b 22 Av NW
New Build -
10
188 m
8526 Bowness Rd NW
New Build -
11
197 m
1905 44 St NW
New Build -
12
205 m
4425 19 Av NW
Renovation -
13
206 m
4513 22 Av NW
New Build -
14
221 m
4503 22 Av NW
New Build Renovation -
15
227 m
4640 19 Av NW
Demolition
New Build
Renovation
Demolition
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.
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1240 20 Av NW
28m5 recent · 8 total
5 filings in the last 12 months, latest Dec 2025
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839 20 Av NW
28m4 recent · 5 total
4 filings in the last 12 months, latest Jul 2026
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839b 20 Av NW
28m2 recent
2 filings in the last 12 months, latest Jul 2026
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4525 20 Av NW
8m1 recent · 2 total
1 filing in the last 12 months, latest Sep 2025
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1202 20 Av NW
28m6 filings
Last filed Mar 2025
4527 20 Av NW in Calgary has 8 building permits on record dating back to 2006, most recently on September 18, 2025.