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Downtown Commercial Core · Calgary office building record

Eighth Avenue Building

Office · mid-rise office building · built 1954 · 505 8 Ave SW

LiDAR roof height31.2 m

Storey-equivalent (derived)8

Footprint831 m²

Parcel822 m²

Year built (roll)1954

Assessed 2026$2.3M

Structures on parcel1

Nearest CTrain158 m

Civic address: 505 8 Ave SW, Calgary, AB
Community: Downtown Commercial Core (DNC)
City sub-property use: C101 Office · all Office sites
Land use district: CR20-C20/R20 — Commercial - Residential Core (Commercial - Core)
Height rank: #135 of 580 citywide · #87 of 111 in Downtown Commercial Core
Site coverage: 101% of parcel under LiDAR footprints
Parcel pieces: 1 titled piece · roll 067076802
Coordinates: 51.04552, -114.071849

Massing and site plan

Left: isometric massing of every LiDAR structure on the parcel, at true scale, viewed from the south-west with 3.9 m storey lines. Right: plan of the parcel with surrounding footprints, Plus 15 walkways and nearby stations. Open this building in the 3D city →

31.2 m · 831 m²

Context within 150 m. Grey footprints darken with height; lime is the Plus 15 network.

How it compares

Roof height against the Downtown Commercial Core median and tallest, and against the city.

Access

Public-geometry tests only; confirm routes, entrances and hours with the building.

CTrain

Nearest station: 4th Street SW, 158 m straight-line (route 201/202). Planned Green Line station 7 Avenue SW is 330 m away (Downtown Segment, per the City’s Green Line map).

Other office buildings near 4th Street SW Station →

Plus 15

The City’s Plus 15 walkway geometry touches this parcel; the plan above shows the connected segments in lime. Confirm access points, hours and the interior route with the building.

Heritage inventory

The City of Calgary Inventory of Evaluated Historic Resources records the following on this parcel.

Eighth Avenue Building

Construction year: 1953
Architect: Unknown
Builder: Dominion Construction Co.
Style: Modern
Typology: Office
Development era: 1946 to 1956 (Oil Boom)
Designation: Inventory listing only

Heritage Character Statement

This building is a good example of the Modern style buildings constructed in the post WWII boom in the west end of Calgary's downtown. It featured; symmetrical facade, large flat wall surfaces, defined vertical glazing and brick spandrels on the upper levels, and large aluminum frame windows surrounded by 'emerald pearl Norwegian' granite panels on the ground level. It was one of three banks built to serve the oil & gas sector. It is illustrative of the banking industry's westward movement along 8th Avenue into the dynamic oil & gas headquarter buildings.

Source: The City of Calgary Inventory of Evaluated Historic Resources, entry 222.

Assessment history

Assessed values are The City of Calgary’s taxation figures by roll year, not sale prices or rents; Alberta does not publish transaction prices.

Roll 067076802 · Office

Published values by roll year

Roll year	Assessed value	Change
2012	$6.2M	—
2013	$11.6M	87.1%
2014	$12.5M	7.5%
2015	$14.1M	12.3%
2016	$10.3M	-27.0%
2017	$11.0M	7.3%
2018	$7.0M	-36.2%
2019	$4.8M	-30.9%
2020	$4.5M	-6.8%
2021	$4.3M	-5.8%
2022	$3.6M	-14.3%
2023	$3.1M	-15.3%
2024	$3.1M	0.0%
2025	$2.2M	-28.5%
2026	$2.3M	4.1%

Development and building permits

Applications the City has located on this parcel since 2012, from the Development Permits and Building Permits datasets.

Recent development permits 4 since 2012

Applied	Permit	Category · description	Status
2016-04-06	DP2016-1272	Signs - Permitted Use with Relaxation NEW: SIGN - CLASS A (WINDOW SIGN) - SIGNABLE AREA	Released Approval
2016-02-05	DP2016-0449	Outdoor Cafe EXTERIOR RENOVATIONS: MULTI-USE COMMERCIAL (REFURBISH BUILDING FACADE & 2 NEW DOORS); CHANGES TO SITE PLAN: OUTDOOR CAFE	Released Approval
2014-10-20	DP2014-5010	Signs - Permitted Use with Relaxation NEW: SIGN - CLASS D (PROJECTING SIGN & UNDER CANOPY SIGN) - COPY AREA AND SIZE	Released Approval
2013-01-21	DP2013-0209	Renovations - Non-Residential REVISION: EXTERIOR RENOVATIONS (CLADDING & SCULPTURE); SIGNS - CLASS 1: FASCIA SIGN	Lapsed Approval

Recent building permits 8 since 2012 · 4 in the City’s office class

Applied	Permit	Class · work	Est. cost	Status
2024-08-19	BP2024-17265	3402 - Office · Improvement Interior alterations	$20,000	Completed
2019-07-30	BP2019-10090	5117 - Commercial School · Improvement Alterations to partitions and floor plan for Business Training.	$2,000	Expired
2018-02-06	BP2018-01273	3402 - Office · Improvement Bull Moose Capital Ltd.	$48,900	Completed
2016-06-03	BP2016-06113	3608 - Restaurant · Improvement	$50,000	Completed
2014-08-15	BP2014-12870	3608 - Restaurant · Improvement	$250,000	Completed
2013-04-24	BP2013-05337	4002 - Vacant · Improvement Interior Renovation	$15,000	Completed
2013-02-01	BP2013-01174	3402 - Office · Improvement interior partitioning	$18,500	Completed
2012-12-07	BP2012-16775	3499 - Office/Bank/Professional Misc. · Improvement INTERIOR ALTERATION	$115,000	Completed

Declared estimated project cost across all 8 non-residential building permits on the parcel since 2012: $519,400. Permit descriptions are the City’s records at retrieval; applicant and contractor names are not reproduced.

Nearby office buildings

The six nearest office building sites in the record, by straight-line distance between parcel centroids.

Eighth Avenue Place East Tower525 8 Ave SWheight n/a · built 2010 · Office · Downtown Commercial Core · 46 m
Royal Bank of Canada Building409 8 Ave SW23.6 m · built 1954 · Office · Downtown Commercial Core · 46 m
407 8 Ave SW51.6 m · built 1966 · Office · Downtown Commercial Core · 74 m
751 3 St SW153.2 m · built 1983 · Office/Retail · Downtown Commercial Core · 103 m
Eighth Avenue Place585 8 Ave SWheight n/a · built 2014 · Office · Downtown Commercial Core · 107 m
510 8 Ave SW27.5 m · built 1987 · Office/Retail · Downtown Commercial Core · 109 m

Eighth Avenue Building questions

Answers drawn from the record.

How tall is Eighth Avenue Building?

The main structure on the parcel has a LiDAR roof height of 31.2 m in The City of Calgary’s 3D building data, a storey-equivalent of about 8 at 3.9 m per storey.

When was Eighth Avenue Building built?

The City’s assessment roll records 1954 as the year of construction. The heritage inventory records 1953.

Which CTrain station is closest to Eighth Avenue Building?

4th Street SW Station, 158 m in a straight line from the parcel centroid.

Is office space available at Eighth Avenue Building?

This profile is built from public records and does not track availability, rents or tenancy. Submit a private requirement and current options in the building or nearby will be confirmed through Commercially.

Open in 3D Downtown Commercial Core office buildings Calgary office space guide Downtown map Skyline Office lease cost guide Office tour checklist

Public record sources: Current Year Property Assessments (Parcel), Historical Property Assessments (Parcel), Assessment Subproperty Use Codes, 3D Buildings - Citywide (LiDAR roof outlines), Land Use Districts, Transit LRT Stations, Green Line Stations, Plus 15, Historic Resource (Inventory of Evaluated Historic Resources), Development Permits, Building Permits, Calgary Existing Buildings - Performance Metrics (BenchmarkYYC) — The City of Calgary, retrieved 2026-09-21. Contains information licensed under the Open Government Licence – City of Calgary. Building names, floor counts and architects, where shown, come from Wikidata (CC0). No brokerage, listing-data or commercial research source is used.

Boundary: Assessed values are the City’s assessment-roll figures for taxation and are not sale prices, asking rents, vacancy or availability; Alberta does not publish transaction prices. LiDAR heights are roof-surface elevations above the lowest ground point at the building perimeter and can differ from architectural heights. Storey equivalents are derived at 3.9 m per storey and are not floor counts. Distances are straight-line. Permit descriptions are the City’s records at retrieval and do not establish current use, tenancy or availability. Read the methodology.

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