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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.
- 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.
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411 1 St SE, Calgary
An address in Downtown Commercial Core, Calgary, zoned CR20-C20/R20 (Commercial - Residential Core). 83 building permits are on file, most recently “Interior Alterations” (issued 23 September 2026). The City's 2026 assessed value is $42,500,000.
Neighbourhood profile
From the 2021 Census, for the small area around this address that Statistics Canada calls a dissemination area (48060640, 1,229 people). Statistics Canada draws these areas; they are not the City's neighbourhoods.
Permit history
-
2026-09-23
Interior Alterations · $70,000
PRIME PROJECTS Issued -
2025-03-28
Fire Alarm · $5,800
no contractor listed Closed -
2024-09-27
Pieridae EnergyInterior alterations · $196,900
PERSIMMON CONTRACTING Closed -
2023-12-14
Interior Alterations · $205,000
PRIME PROJECTS Closed -
2023-07-26
Fire Alarm alterations · $160,000
VIKING FIRE PROTECTION Closed -
2023-06-22
Interior Alterations - Renovations · $314,000
no contractor listed Closed -
2023-05-11
NORR Tenant Improvement · $223,000
no contractor listed Closed -
2023-03-17
New bike storage and cycling facilities for existing tenant · $1,200,000
PRIME PROJECTS Closed -
2023-02-23
interior demolitions · $70,000
PRIME PROJECTS Closed -
2023-02-16
Interior Alterations · $4,000,000
GOVAN BROWN & ASSOCIATES Closed -
2022-12-09
Interior Demolition · $262,000
PRIME PROJECTS Issued -
2022-11-23
Interior alterations, new tenant fit out · $620,000
PRIME PROJECTS Closed -
2022-08-09
Mphasis · $630,000
no contractor listed Closed -
2022-07-22
Office Demolition floors 25-26 · $331,250
PRIME PROJECTS Closed -
2022-02-09
Interior Alteration, Group D · $320,000
PRIME PROJECTS Closed -
2021-09-22
Interior alteration. · $11,000
PRIME PROJECTS Issued -
2021-09-07
First Tower +15 Walkway Renovation · $194,000
CHOICE CONTRACTING PARTNERSHIP Closed -
2021-08-24
Interior Alteration, Group D · $1,700,000
PRIME PROJECTS Closed -
2020-11-13
Interior Demolition
PRIME PROJECTS Closed -
2020-11-05
Interior Demolition - Group D · $125,000
GOVAN BROWN & ASSOCIATES Closed -
2020-10-09
Interior Alterations (floors 15,16 &17), Group D · $2,750,000
PRIME PROJECTS Closed -
2020-09-02
Office Demolition floors 15-17 · $260,000
PRIME PROJECTS Closed -
2019-11-21
Interior Alterations, Show Suite (Group D) · $1,362,657
no contractor listed Closed -
2019-11-20
Interior demolition · $100,000
CHOICE CONTRACTING Closed -
2019-08-01
First Tower 2nd floor Redevelopment · $6,155,482
no contractor listed Closed -
2019-07-18
First Tower 27th Floor Demo · $88,000
no contractor listed Closed -
2019-04-11
Demolition · $400,000
CANA CONSTRUCTION Closed -
2019-03-14
Leasehold Improvement - Emergency Generator Replacement · $865,000
no contractor listed Closed -
2017-07-19
Interior Alteration - Telus House · $200,000
TRIBUILD CONTRACTING Closed -
2016-09-21
No description · $385,000
PRIME PROJECTS Closed -
2016-06-24
interior alteration / new tenant · $625,100
no contractor listed Closed -
2014-05-14
Interior Alteration - 2nd floor - New Tenant · $55,000
no contractor listed Closed -
2014-04-12
INTERIOR PARTITIONING Group D 7th Floor Single Tenant · $485,000
MAGNUS INTERIORS Closed -
2014-01-08
Interior Partitioning · $410,000
MAGNUS INTERIORS Closed -
2013-12-12
Interior Alteration · $20,000
no contractor listed Closed -
2013-11-29
Interior Alteration · $485,000
no contractor listed Closed -
2013-11-25
Interior set up · $275,000
no contractor listed Closed -
2013-11-08
Interior Demolition · $5,000
no contractor listed Closed -
2013-09-12
interior alteration · $132,188
STUART OLSON CONSTRUCTION Closed -
2013-06-01
Interior work · $215,000
MAGNUS INTERIORS Closed -
2013-04-25
Exterior and interior 1st floor and second floor renovation · $11,224,900
STUART OLSON CONSTRUCTION Closed -
2013-04-03
Interior Alteration · $485,000
MAGNUS INTERIORS Closed -
2013-03-18
Demolition · $30,000
MAGNUS INTERIORS Closed -
2012-06-16
Interior partitioning · $1,590,500
COUGAR CONTRACTORS Closed -
2012-03-21
Interior Partitioning · $100,000
TRIBUILD CONTRACTING Closed -
2012-02-19
Interior Alteration · $10,000
TRIBUILD CONTRACTING Closed -
2012-02-18
Interior Alteration · $2,981,227
COUGAR CONTRACTORS Closed -
2012-01-24
Shower Rooms · $197,000
CHOICE CONTRACTING Closed -
2012-01-10
Interior alteration · $65,000
TRIBUILD CONTRACTING Closed -
2011-12-30
Uograding fire system · $2,500
no contractor listed Closed -
2011-12-29
Exterior Temporary Banner Sign Only · $10,000
no contractor listed Closed -
2011-12-22
Interior renovation · $4,021,000
COUGAR CONTRACTORS Closed -
2011-12-08
Two contacts put in place in elevator · $4,000
no contractor listed Closed -
2011-12-07
Interior Alteration · $3,400,000
COUGAR CONTRACTORS Closed -
2011-10-01
Interior Alteration · $165,000
TRIBUILD CONTRACTING Closed -
2011-04-21
Interior Partitioning · $6,800,000
COUGAR CONTRACTORS Closed -
2011-03-08
Interior Demolition · $186,000
COUGAR CONTRACTORS Closed -
2011-01-28
Interior Alteration · $25,129
COUGAR CONTRACTORS Closed -
2010-11-02
Interior Alterations · $65,000
TRIBUILD CONTRACTING Closed -
2010-03-04
Interior alteration - plus 15 · $9,000
no contractor listed Closed -
2009-03-06
Interior partitioning · $100,000
no contractor listed Closed -
2009-02-17
Fire Alarm Repair · $300,000
TYCO INTEGRATED FIRE & SECURITY Closed -
2008-11-13
Interior partitions - main floor · $75,000
no contractor listed Closed -
2006-09-22
Interior Alteration for Existing Tenant · $216,000
PCL CONSTRUCTION MANAGEMENT Closed -
2006-05-24
Commercial Interior Partition and Business Use Confirmation · $325,000
no contractor listed Closed -
2006-04-23
Interior alteration · $53,000
XEMEX CONTRACTING Closed -
2005-11-22
Interior alterations & Use Approval · $650,000
LABBE-LEECH INTERIORS Closed -
2005-11-02
Interior Alteration and Business Use Confirmation · $460,000
LABBE-LEECH INTERIORS Closed -
2005-05-04
Interior alteration · $209,600
TRIBUILD CONTRACTING Closed -
2004-09-27
Commercial Interior Partition · $95,650
TRIBUILD CONTRACTING Closed -
2003-10-28
Interior Alteration · $51,000
TRIBUILD CONTRACTING Closed -
2003-05-27
Interior Renovations for Office Uses · $78,578
TRIBUILD CONTRACTING Closed -
2003-03-19
Commercial Interior Partition and Business Use Confirmation · $20,000
no contractor listed Closed -
2003-01-14
Interior alterations · $91,413
no contractor listed Closed -
2002-01-14
Interior Alteration · $38,100
EVEREST CONSTRUCTION Closed -
2001-11-08
Interior Alteration · $364,000
COPENHAGEN CONTRACTING Closed -
2001-04-03
No description · $22,000
no contractor listed Closed -
2000-09-06
Interior partitioning for office use · $100,000
TRIBUILD CONTRACTING Closed -
2000-08-15
int.part. · $45,000
TRIBUILD CONTRACTING Closed -
2000-07-27
No description · $5,000
no contractor listed Closed -
2000-07-20
Interior alterations · $3,250
no contractor listed Closed -
New Tenant improvements for Hines
PRIME PROJECTS Closed -
No description
CANA MANAGEMENT Closed
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Recent permits in Downtown Commercial Core
Interior alterations · no contractor listed2026-10-29
Parkade Repairs · no contractor listed2026-10-29
Fire alarm repair · WESTERN ELECTRICAL MANAGEMENT2026-10-29