Share This Listing

Message

952 characters remaining

Hmm, there seems to have been an error sending your message. Please try again.

Your email has been sent.

Still interested?

Contact the broker for more information about this property

400 Third 400 3rd Ave SW 3,056 - 183,391 SF of 5-Star Office Space Available in Calgary, AB T2P 4H2

Office Spaces Alberta Calgary 400 3rd Ave SW, Calgary, AB T2P 4H2

Save this listing!

Favourite this listing to get notified of price updates, new media and more

HIGHLIGHTS

  • Security 24/7
  • Fitness Centre
  • Concierge
  • EV charging station
  • Indoor parking
  • Bike facilities

ALL AVAILABLE SPACES(12)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 14th Floor, Ste 1410
  • 5,642 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now
400 3rd Ave SW, Calgary, AB for lease Floor Plan- Image 1 of 1
Floor Plan

This modern open concept office provides show suite quality finishes, terrific views to the west and an abundance of natural light. The suite has a spacious reception, two meeting rooms, four offices, open concept kitchen and a large open area for workstations.

  • Fully Built-Out as Standard Office
  • 4 Private Offices
  • Space is in Excellent Condition
  • Print/Copy Room
  • Includes reception area.
  • Mostly Open Floor Plan Layout
  • 2 Conference Rooms
  • Reception Area
  • Natural Light
  • Ample natural light.
  • 14th Floor, Ste 1480
  • 3,056 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 2026-04-01

This modern and efficient suite boasts 3,056 sf of upgraded office space with reception, kitchen, open area for 12-16 workstations, a meeting room, and direct elevator exposure. Available April 2026.

  • Fully Built-Out as Standard Office
  • 1 Conference Room
  • Reception Area
  • Ample natural light.
  • Mostly Open Floor Plan Layout
  • 16 Workstations
  • Natural Light
  • Reception area included.
  • 15th Floor, Ste 1510
  • 10,022 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

This office intensive unit boasts 32 offices with terrific views to the southwest and can be made contiguous with the 16th floor for 31,268 SF. Available immediately.

  • Fully Built-Out as Standard Office
  • Natural Light
  • Terrific views.
  • 32 Private Offices
  • Ample natural light.
  • 16th Floor, Ste 1600
  • 21,246 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

This full floor opportunity includes a mix of office and open area, two large boardrooms and two kitchens. Can be made contiguous with suite 1510 for 31,268 SF.

  • Fully Built-Out as Standard Office
  • 36 Private Offices
  • Natural Light
  • Two kitchen areas included.
  • Mostly Open Floor Plan Layout
  • 2 Conference Rooms
  • Ample natural light.
  • 33rd Floor, Ste 3300
  • 21,754 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 2027-04-01

21,754 square foot office space with a blend of private offices and open space. Available April of 2027

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Ample natural light.
  • Mostly Open Floor Plan Layout
  • Natural Light
  • Skyline views.
  • 34th Floor, Ste 3405
  • 3,161 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 2026-06-01

3,161 square foot office space with 5 offices and a meeting room. Available June 2026.

  • Lease rate does not include utilities, property expenses or building services
  • 5 Private Offices
  • Space is in Excellent Condition
  • Large windows provide ample natural light.
  • Fully Built-Out as Standard Office
  • 1 Conference Room
  • Natural Light
  • Kitchen space included.
  • 35th Floor, Ste 3500
  • 22,233 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 2027-04-01

22,233 square foot office space contiguous with floors 36-39. Available April of 2027.

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Ample natural light.
  • Mostly Open Floor Plan Layout
  • Natural Light
  • Skyline views.
  • 36th Floor, Ste 3600
  • 22,234 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 2027-04-01

Contiguous space up to 108,581 SF available on floors 35–39, featuring a blend of perimeter offices and open-plan workspace with skyline views. Available April 2027.

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Ample natural light.
  • Mostly Open Floor Plan Layout
  • Natural Light
  • Skyline views.
  • 37th Floor, Ste 3700
  • 22,231 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 2027-04-01

Contiguous space up to 108,581 SF available on floors 35–39, featuring a blend of perimeter offices and open-plan workspace with skyline views. Available April 2027.

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Ample natural light.
  • Mostly Open Floor Plan Layout
  • Natural Light
  • Skyline views.
  • 38th Floor, Ste 3800
  • 22,232 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 2027-04-01

Contiguous space up to 108,581 SF available on floors 35–39, featuring a blend of perimeter offices and open-plan workspace with skyline views. Available April of 2027.

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Ample natural light.
  • Mostly Open Floor Plan Layout
  • Natural Light
  • Skyline views.
  • 39th Floor, Ste 3900
  • 19,650 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 2027-04-01

Contiguous space up to 108,581 SF available on floors 35–39, featuring a blend of perimeter offices and open-plan workspace with skyline views. Available April 2027.

  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Ample natural light.
  • Mostly Open Floor Plan Layout
  • Natural Light
  • Skyline views.
  • 40th Floor, Ste 4050
  • 9,930 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now
400 3rd Ave SW, Calgary, AB for lease Floor Plan- Image 1 of 1
Floor Plan

Terrific high-rise opportunity with spectacular views. This suite boasts direct elevator exposure, generous size reception area, three meeting rooms, large boardroom, 14 offices and an open area. Available immediately.

  • Fully Built-Out as Standard Office
  • 14 Private Offices
  • Space is in Excellent Condition
  • Natural Light
  • Ample natural light.
  • Mostly Open Floor Plan Layout
  • 3 Conference Rooms
  • Reception Area
  • Spectacular views.
Space Size Term Rental Rate Space Use Condition Available
14th Floor, Ste 1410 5,642 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
14th Floor, Ste 1480 3,056 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 2026-04-01
15th Floor, Ste 1510 10,022 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
16th Floor, Ste 1600 21,246 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
33rd Floor, Ste 3300 21,754 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 2027-04-01
34th Floor, Ste 3405 3,161 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 2026-06-01
35th Floor, Ste 3500 22,233 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 2027-04-01
36th Floor, Ste 3600 22,234 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 2027-04-01
37th Floor, Ste 3700 22,231 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 2027-04-01
38th Floor, Ste 3800 22,232 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 2027-04-01
39th Floor, Ste 3900 19,650 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 2027-04-01
40th Floor, Ste 4050 9,930 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now

14th Floor, Ste 1410

Size
5,642 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

14th Floor, Ste 1480

Size
3,056 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2026-04-01

15th Floor, Ste 1510

Size
10,022 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

16th Floor, Ste 1600

Size
21,246 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

33rd Floor, Ste 3300

Size
21,754 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2027-04-01

34th Floor, Ste 3405

Size
3,161 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2026-06-01

35th Floor, Ste 3500

Size
22,233 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2027-04-01

36th Floor, Ste 3600

Size
22,234 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2027-04-01

37th Floor, Ste 3700

Size
22,231 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2027-04-01

38th Floor, Ste 3800

Size
22,232 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2027-04-01

39th Floor, Ste 3900

Size
19,650 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2027-04-01

40th Floor, Ste 4050

Size
9,930 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now
1 of 1
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
400 3rd Ave SW, Calgary, AB for lease Floor Plan- Image 1 of 1
Floor Plan

14th Floor, Ste 1410

400 3rd Ave SW, Calgary, AB for lease Floor Plan- Image 1 of 1
Floor Plan
Size 5,642 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

This modern open concept office provides show suite quality finishes, terrific views to the west and an abundance of natural light. The suite has a spacious reception, two meeting rooms, four offices, open concept kitchen and a large open area for workstations.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 4 Private Offices
  • 2 Conference Rooms
  • Space is in Excellent Condition
  • Reception Area
  • Print/Copy Room
  • Natural Light
  • Includes reception area.
  • Ample natural light.

14th Floor, Ste 1480

Size 3,056 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available 2026-04-01

This modern and efficient suite boasts 3,056 sf of upgraded office space with reception, kitchen, open area for 12-16 workstations, a meeting room, and direct elevator exposure. Available April 2026.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • 16 Workstations
  • Reception Area
  • Natural Light
  • Ample natural light.
  • Reception area included.

15th Floor, Ste 1510

Size 10,022 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

This office intensive unit boasts 32 offices with terrific views to the southwest and can be made contiguous with the 16th floor for 31,268 SF. Available immediately.

  • Fully Built-Out as Standard Office
  • 32 Private Offices
  • Natural Light
  • Ample natural light.
  • Terrific views.

16th Floor, Ste 1600

Size 21,246 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

This full floor opportunity includes a mix of office and open area, two large boardrooms and two kitchens. Can be made contiguous with suite 1510 for 31,268 SF.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 36 Private Offices
  • 2 Conference Rooms
  • Natural Light
  • Ample natural light.
  • Two kitchen areas included.

33rd Floor, Ste 3300

Size 21,754 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available 2027-04-01

21,754 square foot office space with a blend of private offices and open space. Available April of 2027

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Natural Light
  • Ample natural light.
  • Skyline views.

34th Floor, Ste 3405

Size 3,161 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available 2026-06-01

3,161 square foot office space with 5 offices and a meeting room. Available June 2026.

  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Standard Office
  • 5 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition
  • Natural Light
  • Large windows provide ample natural light.
  • Kitchen space included.

35th Floor, Ste 3500

Size 22,233 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available 2027-04-01

22,233 square foot office space contiguous with floors 36-39. Available April of 2027.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Natural Light
  • Ample natural light.
  • Skyline views.

36th Floor, Ste 3600

Size 22,234 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available 2027-04-01

Contiguous space up to 108,581 SF available on floors 35–39, featuring a blend of perimeter offices and open-plan workspace with skyline views. Available April 2027.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Natural Light
  • Ample natural light.
  • Skyline views.

37th Floor, Ste 3700

Size 22,231 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available 2027-04-01

Contiguous space up to 108,581 SF available on floors 35–39, featuring a blend of perimeter offices and open-plan workspace with skyline views. Available April 2027.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Natural Light
  • Ample natural light.
  • Skyline views.

38th Floor, Ste 3800

Size 22,232 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available 2027-04-01

Contiguous space up to 108,581 SF available on floors 35–39, featuring a blend of perimeter offices and open-plan workspace with skyline views. Available April of 2027.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Natural Light
  • Ample natural light.
  • Skyline views.

39th Floor, Ste 3900

Size 19,650 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available 2027-04-01

Contiguous space up to 108,581 SF available on floors 35–39, featuring a blend of perimeter offices and open-plan workspace with skyline views. Available April 2027.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Natural Light
  • Ample natural light.
  • Skyline views.
1 of 1
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
400 3rd Ave SW, Calgary, AB for lease Floor Plan- Image 1 of 1
Floor Plan

40th Floor, Ste 4050

400 3rd Ave SW, Calgary, AB for lease Floor Plan- Image 1 of 1
Floor Plan
Size 9,930 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Terrific high-rise opportunity with spectacular views. This suite boasts direct elevator exposure, generous size reception area, three meeting rooms, large boardroom, 14 offices and an open area. Available immediately.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 14 Private Offices
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • Reception Area
  • Natural Light
  • Spectacular views.
  • Ample natural light.

PROPERTY OVERVIEW

With its surrounding glass curtain walls, Devon Tower is a distinctive landmark on Calgary’s skyline. Admired for architectural design, tremendous vista views and LEED-certification. Devon Tower balances well-being and productivity, offering an efficient floor plate, close connection to major transit and driving routes and nearby retail amenities.

  • Bus Line
  • Concierge
  • Conferencing Facility
  • Food Court
  • Signage
  • Roof Terrace
  • Plus 15
  • Air Conditioning

PROPERTY FACTS

Building Type
Office
Year Built
1988
LoopNet Rating
5 Star
Building Height
46 Stories
Building Size
820,000 SF
Building Class
A
Typical Floor Size
19,519 SF
Unfinished Ceiling Height
12’
Parking
Surface Parking
419 Covered Parking Spaces at $495 CAD/month
Reserved Parking at $585 CAD/month

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • Multiple
  • ARC Financial
  • 6th
  • Cardinal Energy Ltd
  • 3rd
  • Cisco Systems
  • Multiple
  • Ember Resources Inc
  • Multiple
  • Heartland Generation Ltd.
  • 12th
  • Macro Industries
  • Multiple
  • Norton Rose Fullbright
  • 40th
  • Peacock Linder Halt & Mack LLP
  • 7th
  • Summerland Energy Inc
  • 45th
  • Werklund Capital
1 1
400 3rd Ave SW, Calgary, AB - AERIAL map view
Walk Score®
Walker's Paradise (97)
Transit Score®
Excellent Transit (85)
Bike Score®
Very Bikeable (88)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
Learn How It Works Detailed Scores
(403) 206-6419

Still interested?

Contact the broker for more information about this property

CONTACT

  • Listing ID: 4380381

  • Date on Market: 2025-12-18

  • Last Updated:

  • Address: 400 3rd Ave SW, Calgary, AB T2P 4H2

The North Hill/Downtown/Beltline Office Property at 400 3rd Ave SW, Calgary, AB T2P 4H2 is currently available. Contact Oxford Properties Group for more information.

OFFICE PROPERTIES IN NEARBY NEIGHBORHOODS

NEARBY LISTINGS

1 of 7
VIDEOS
MATTERPORT 3D EXTERIOR
MATTERPORT 3D TOUR
PHOTOS
STREET VIEW STREET
MAP
400 3rd Ave SW, Calgary, AB for lease Building Photo- Image 1 of 7
Building Photo
400 3rd Ave SW, Calgary, AB for lease Building Photo- Image 2 of 7
Building Photo
400 3rd Ave SW, Calgary, AB for lease Aerial- Image 3 of 7
Aerial
400 3rd Ave SW, Calgary, AB for lease Building Photo- Image 4 of 7
Building Photo
400 3rd Ave SW, Calgary, AB for lease Lobby- Image 5 of 7
lobby
400 3rd Ave SW, Calgary, AB for lease Lobby- Image 6 of 7
cafeteria
1 of 1

Connect with us

© 2025 CoStar Group

The LoopNet service and information provided therein, while believed to be accurate, are provided "as is". LoopNet disclaims any and all representations, warranties, or guarantees of any kind.

400 Third | 400 3rd Ave SW
(403) 206-6419 x

400 Third | 400 3rd Ave SW

Justine Graae
(403) 206-6419

Already a member? Log In

First Name*

Last Name*

Email*

Email address is required

Phone*

Ext (optional)

Company (optional)

How much space do you need? (optional)

Select Size

Message*

Message is required

{{getContactFormMessageFieldCharacterCount()}} out of 600

New to LoopNet? No problem. We'll automatically create a free account for you. By clicking the button, you agree to LoopNet's Terms of Use and Privacy Notice.

Hmm, there seems to have been an error sending your message. Please try again.

Thanks! Your message was sent.

Send another message
Link copied
Your LoopNet account has been created!

Please Share Your Feedback

We welcome any feedback on how we can improve LoopNet to better serve your needs.
X
{{ getErrorText(feedbackForm.starRating, "rating") }}
255 character limit ({{ remainingChars() }} charactercharacters remainingover)
{{ getErrorText(feedbackForm.msg, "rating") }}
{{ getErrorText(feedbackForm.fname, "first name") }}
{{ getErrorText(feedbackForm.lname, "last name") }}
{{ getErrorText(feedbackForm.phone, "phone number") }}
{{ getErrorText(feedbackForm.phonex, "phone extension") }}
{{ getErrorText(feedbackForm.email, "email address") }}
You can provide feedback any time using the Help button at the top of the page.