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CanPermits · property records report · canpermits.com/address/3904-20-st-sw-calgary

3904 20 St SW

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?
14 building permits on record since 2015, most recently Jun 27, 2025.
2 development applications on file (SCHOOL AUTHORITY - SCHOOL), most recently filed Dec 22, 2015.
View building permit timeline
What’s the land-use designation?
R-CG · Residential - Grade-Oriented Infill · as of Jul 6, 2026
What could change around it?
4 active construction records within 250 m of this address.
View nearby construction
What’s the City’s assessed value?
$18,360,000 · 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.

Get the full record

3904 20 St SW

What you’ll get instantly

  • Assessed value, lot size & year built
  • Land-use designation & zoning
  • Full permit, inspection & licence history
  • Nearby construction & rezoning activity
  • Flood plain, transit & community context
  • Maps of what surrounds this address
  • Excel export

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Money-back guarantee. Full refund if a record is attached to the wrong address, or a permit or order is marked “open” that the City has since closed: email [email protected]. One-time · a 3-day access link is emailed to you.

A presentation of public open-data records, compiled by CanPermits: not an official or certified record, and not affiliated with or endorsed by the City of Calgary.

More: disclaimers & data notice

It draws on the same City open data the municipality publishes, but does not carry the City's certification or legal standing. For an authoritative record (or any legally-binding transaction), order the City of Calgary's official Alberta Land Title. Not legal, title, or professional advice. Records reflect the most recent data we have ingested and may lag the City's live system.

City open-data records ingested through Jul 20, 2026. Individual sources refresh on their own schedule and may lag the City's live system.

See a personal detail that shouldn’t appear here? Email [email protected] and we’ll remove it.

Building permit timeline

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

View full permit history
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025

  1. 2025

    1 filing
    View permits (1)

    1. Jun 27, 2025

      Electrical permit — (Contractor's Electrical Permit) — Improvement

      Electrical · NOSE CREEK ELECTRICAL SERVICES

  2. 2023

    3 filings
    View permits (3)

    1. Jul 12, 2023

      HVAC mechanical permit — (Contractor's Heating, Ventilation and Air Condition...

      Mechanical · ALSTEN HVAC SERVICES

    2. Jul 12, 2023

      Electrical permit — (Contractor's Fire Alarm Permit) — Improvement

      Electrical · CRESTVIEW ELECTRIC

    3. Jun 22, 2023

      Electrical permit — (Contractor's Electrical Permit) — Improvement

      Electrical · CRESTVIEW ELECTRIC

  3. 2022

    1 filing
    View permits (1)

    1. Apr 26, 2022

      Electrical permit — (Contractor's Annual Electrical Permit) — Improvement

      Electrical · CALGARY BOARD OF EDUCATION

  4. 2021

    1 filing
    View permits (1)

    1. May 21, 2021

      Electrical permit — (Contractor's Annual Electrical Permit) — Improvement

      Electrical · CALGARY BOARD OF EDUCATION

  5. 2020

    1 filing
    View permits (1)

    1. Jul 20, 2020

      Electrical permit — (Contractor's Annual Electrical Permit) — Improvement

      Electrical · CALGARY BOARD OF EDUCATION

View 5 earlier years

  1. 2019

    1 filing
    View permits (1)

    1. May 24, 2019

      Electrical permit — (Contractor's Annual Electrical Permit) — Improvement

      Electrical · CALGARY BOARD OF EDUCATION

  2. 2018

    3 filings
    View permits (3)

    1. Dec 12, 2018

      Fire Alarm Upgrade - Group A2 - Dr. Oakley School $137K

      NOSE CREEK ELECTRICAL SERVICES

    2. Dec 3, 2018

      Electrical permit — (Contractor's Fire Alarm Permit) — Improvement

      Electrical · NOSE CREEK ELECTRICAL SERVICES

    3. May 30, 2018

      Electrical permit — (Contractor's Annual Electrical Permit) — Improvement

      Electrical · CALGARY BOARD OF EDUCATION

  3. 2017

    1 filing
    View permits (1)

    1. Aug 22, 2017

      Exterior door replacements $35K

      EXP SERVICES

  4. 2016

    1 filing
    View permits (1)

    1. Jan 21, 2016

      Envelope refurbishment Phase II $944K

      GROUP2 ARCHITECTURE INTERIOR DESIGN

  5. 2015

    3 filings
    View permits (3)

    1. Dec 22, 2015

      Application SCHOOL AUTHORITY - SCHOOL

      Released

    2. Jun 15, 2015

      Application SCHOOL AUTHORITY - SCHOOL

      Released

    3. May 11, 2015

      Replacement of exterior windows and minor cladding. $800K

      GROUP2 ARCHITECTURE INTERIOR DESIGN

Nearby Construction

Within 250 m

Active and recent construction within 250 m of this address.

4 locations shown

  • 1

    3823 20 St SW

    Renovation
    120 m
  • 2

    2041 37 Av SW

    New Build ×2
    156 m
  • 3

    2050 41 Av SW

    New Build
    226 m
  • 4

    2048 41 Av SW

    New Build
    226 m
4

New Build

1

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.

3904 20 St SW in Calgary has 14 building permits on record dating back to 2015, most recently on June 27, 2025.