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What this page does
This page shows what the city's open data records for one address: the zoning and what it means, the neighbourhood, every building permit on file and, where the city publishes it, the assessed value. It also shows the property on the city's aerial photo or a drawn plan, a 2021 Census profile of the small area around it, and recent permits nearby. Free, no account. Owner names and sold prices are never shown; the assessed value is the city's estimate for property tax, not a sale price.
How to use it
- Read the top lines for the summary: zoning, neighbourhood, number of permits and assessed value.
- Under What this zoning allows is a short summary of the City's zoning bylaw for this district: its purpose, the uses the bylaw lists as permitted or discretionary, and the key numbers (height, setbacks, site coverage, secondary suites). The caption names the bylaw, the section and the date we read it. It is a summary, not the bylaw: a Direct Control zone, an overlay or a site-specific condition can change the rules, so confirm with the City before relying on it.
- Use + and − on the plan to zoom in and out.
- Scroll to Permit history for every permit on the lot: what was done, when, by which company, the value and the status.
- Click a nearby permit to open its address, or This week's permit digest → for the whole city.
- Something looks wrong? Use the Tell us link at the bottom and we'll check it against the city's records.
3101 20 Patterson Bv SW, Calgary
An address in Patterson, Calgary, zoned M-C1 (Multi-Residential - Contextual Low Profile). 10 building permits are on file, most recently “Fire Alarm Repair - Group C - Canadian Shelter” (issued 11 April 2017). The City's 2026 assessed value is $244,000.
What this zoning allows
M-C1 · Multi-Residential - Contextual Low Profile. Low height, medium density multi-residential development in the Developed Area in a variety of forms, close to or next to low density housing.
Permitted Secondary Suite; Accessory Residential Building; Park; Protective and Emergency Service; Utilities
Discretionary Multi-Residential Development; Single Detached Dwelling; Semi-detached Dwelling; Duplex Dwelling; Backyard Suite; Live Work Unit; Assisted Living; Residential Care; and 11 more
Maximum density 148 units per hectare (a lower "d" number on the land use map can apply). The bylaw sets setbacks by what the parcel shares a line with (a street, a lane or another parcel); shown here as front, side and rear. Contextual setbacks and heights are averages taken from nearby buildings on the same block face, as the bylaw defines them. Also subject to the general rules for multi-residential districts (Part 6, Division 1). Varies. Setbacks are minimums unless a maximum is stated.
Summary of the City of Calgary Land Use Bylaw 1P2007 (amended to 15 September 2026), sections 586 to 594, as read on 30 October 2026. A summary, not the bylaw: Direct Control, overlays and site-specific conditions can change these rules. Confirm with the City before relying on it.
Neighbourhood profile
From the 2021 Census, for the small area around this address that Statistics Canada calls a dissemination area (48060173, 1,567 people). Statistics Canada draws these areas; they are not the City's neighbourhoods.
Permit history
-
2017-04-11
Fire Alarm Repair - Group C - Canadian Shelter · $2,800
no contractor listed Closed -
2016-06-03
Fire Alarm Control Panel replacement · $2,150
no contractor listed Closed -
2015-11-25
Fire Alarm Repair · $1,900
PDS FIRE PROTECTION Closed -
2014-10-01
Replace fire alarm panel · $1,200
PDS FIRE PROTECTION Closed -
2014-02-27
Fire alarm repair and panel replacement · $1,350
no contractor listed Closed -
2013-02-14
Fire Alarm Upgrade · $2,100
PDS FIRE PROTECTION Closed -
2012-10-18
Fire Alarm Repair · $1,300
PDS FIRE PROTECTION Closed -
2011-10-16
Repair · $2,475
PDS FIRE PROTECTION Closed -
2011-07-05
Interior Alteration · $2,800
no contractor listed Closed -
2010-12-16
Fire Alarm Upgrade · $1,400
PDS FIRE PROTECTION Closed
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Recent permits in Patterson
Window Replacements · TAYLOR CONSTRUCTION2026-09-29
Improvements · EVOLVE CONTRACTING2026-09-15
Improvements · FAMILYNEST WINDOWS AND DOORS2026-09-09