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Beltline · Calgary office building record

Roberts Block

Office · mid-rise office building · built 1912 · 605 11 Ave SW

LiDAR roof height16 m

Storey-equivalent (derived)4

Footprint2,000 m²

Parcel1,796 m²

Year built (roll)1912

Assessed 2026$3.6M

Structures on parcel3

Nearest CTrain485 m

Civic address: 605 11 Ave SW, Calgary, AB
Community: Beltline (BLN)
City sub-property use: C101 Office · all Office sites
Land use district: CC-X — Centre City Mixed Use District (Commercial)
Height rank: #247 of 580 citywide · #72 of 119 in Beltline
Site coverage: 111% of parcel under LiDAR footprints
Parcel pieces: 1 titled piece · roll 200112084
Coordinates: 51.042432, -114.074587

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 →

16 m · 1,164 m² · 7.2 m · 354 m² · 6.9 m · 482 m²

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

How it compares

Roof height against the Beltline median and tallest, and against the city.

Access

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

CTrain

Nearest station: 6th Street SW, 485 m straight-line (route 201/202). Planned Green Line station Beltline is 555 m away (Downtown Segment, per the City’s Green Line map).

Other office buildings near 6th Street SW Station →

Plus 15

Outside the Plus 15 network area.

Heritage inventory

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

Roberts Block

Construction year: 1912
Architect: Rex Arlo Millar [east half]; R.J. Richards [west half]
Builder: G.J. Davies [west half]
Style: Commercial
Typology: Warehouse and Office
Development era: 1906 to 1913 (Pre WWI Boom, Age of Optimism)
Designation: Inventory listing only

-With the understated neoclassical-style references of its roofline cornice, keystones, and formal symmetry, and its high-quality red-brick facades, this warehouse is an attractive example of Edwardian-era Commercial-style architecture in the Beltline's warehouse district (Style Value: community significance).

- its contribution to Calgary's historic wholesale/warehouse district, recalls Calgary's historic status as the most important wholesale and distribution centre between Winnipeg and Vancouver. [Activity value: city-wide significance]

- it contributed to the development of the northern Beltline area as Calgary's main wholesale/warehouse district, and continues to contribute to the warehouse district's historic identity and character. [Symbolic value: community significance]

Character-defining elements: - three-storey, rectangular plan with flat roof; - post and beam heavy-timber construction and red-brick cladding; - wraparound, metal, roofline cornice; - sandstone sills and keystones; - fenestration, with segmental-arched openings; eight original 3-over-1 hung-sash windows at rear east side of building; - loading dock and four loading door openings at rear; - ghost signs for Calgary Furniture Stores Ltd. Warehouse on west facade and above first storey of the north facade; and - context of structure, built to lot lines with no setbacks.

Source: The City of Calgary Inventory of Evaluated Historic Resources, entry 320.

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 200112084 · Office

Published values by roll year

Roll year	Assessed value	Change
2005	$5.2M	—
2006	$5.3M	3.1%
2007	$7.5M	41.5%
2008	$7.6M	1.2%
2009	$11.1M	46.0%
2010	$8.6M	-23.0%
2011	$6.8M	-20.5%
2012	$8.1M	18.9%
2013	$14.4M	77.2%
2014	$13.9M	-2.9%
2015	$15.3M	9.6%
2016	$12.9M	-15.9%
2017	$12.9M	0.5%
2018	$8.9M	-31.2%
2019	$6.8M	-24.0%
2020	$6.5M	-3.3%
2021	$6.3M	-3.1%
2022	$5.6M	-12.3%
2023	$4.7M	-15.8%
2024	$6.2M	32.5%
2025	$5.6M	-9.4%
2026	$3.6M	-35.9%

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 2 since 2012

Applied	Permit	Category · description	Status
2015-04-17	DP2015-1521	Change of Use - Permitted Use CHANGE OF USE: RETAIL AND CONSUMER SERVICE (WITHIN EXISTING DRINKING ESTABLISHMENT)	Released Approval
2014-09-24	DP2014-4603	Renovations - Non-Residential EXTERIOR RENOVATIONS: GENERAL INDUSTRIAL - LIGHT (REFURBISH BUILDING FACADE), NEW: SIGN - CLASS B (FASCIA SIGNS- 2), SIGN - CLASS D (PROJECTING SIGNS- 3)	Released Approval

Recent building permits 12 since 2012 · 6 in the City’s office class

Applied	Permit	Class · work	Est. cost	Status
2025-02-13	BP2025-02584	3402 - Office · Unspecified Fire Alarm Modifications	$3,000	Completed
2024-06-25	BP2024-12704	3402 - Office · Unspecified Fire alarm repair	$1,000	Completed
2019-05-31	BP2019-06712	4002 - Vacant · Improvement	$25,000	Completed
2016-11-14	BP2016-13994	4002 - Vacant · Improvement Interior Alterations - Basement Repairs	$104,466	Completed
2016-06-27	BP2016-07218	3402 - Office · Improvement Sarah Ward Interiors -Office Rrenovations Suite #304	$10,000	Completed
2015-10-15	BP2015-13516	3702 - Barber Shop · Improvement sub-leased new hair salon	$10,000	Completed
2015-06-11	BP2015-07006	4002 - Vacant · Improvement Interior Alterations - Column Repairs	$111,000	Completed
2015-03-04	BP2015-02251	3614 - Restaurant - Licensed And Drinking Establishment · Improvement Exterior Changes	$60,000	Completed

Declared estimated project cost across all 12 non-residential building permits on the parcel since 2012: $1.9M. 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.

617 11 Ave SW8.6 m · built 1967 · Office · Beltline · 44 m
450 602 12 Ave SW43.1 m · built 1995 · Office Condo · 30 accounts · Beltline · 46 m
602 11 Ave SW19.8 m · built 1978 · Office · Beltline · 61 m
Lorraine Apartments620 12 Ave SW16.4 m · built 1934 · Office · Beltline · 69 m
540 12 Ave SW31 m · built 2006 · Office · Beltline · 73 m
625 11 Ave SW16.3 m · built 1974 · Office · Beltline · 74 m

Roberts Block questions

Answers drawn from the record.

How tall is Roberts Block?

The main structure on the parcel has a LiDAR roof height of 16 m in The City of Calgary’s 3D building data, a storey-equivalent of about 4 at 3.9 m per storey.

When was Roberts Block built?

The City’s assessment roll records 1912 as the year of construction. The heritage inventory records 1912.

Which CTrain station is closest to Roberts Block?

6th Street SW Station, 485 m in a straight line from the parcel centroid.

Is office space available at Roberts Block?

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 Beltline 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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