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All Available Spaces(20)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor, Ste AB - 20
  • 6,072 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

First floor office space for lease starting at 1,704 SF! This space is comprised of numerous private offices with plenty of natural lighting and even a potential conference room!

  • Fully Built-Out as Standard Office
  • 1 Conference Room
  • Tons of natural lighting!
  • 8 Private Offices
  • Space is in Excellent Condition
  • Potential Conferencing space!
  • 3rd Floor, Ste AB - 301
  • 500 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 3rd Floor, Ste LB - 300
  • 2,165 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 3rd Floor, Ste LB - 307
  • 1,824 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 4th Floor, Ste AB - 403
  • 982 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 4th Floor, Ste AB - 404
  • 357 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Great Private office available for lease! This space is currently built out but willing to work with tenant for desired buildout!

  • Fully Built-Out as Standard Office
  • Central Air and Heating
  • 1 Private Office
  • Buildout Flexibility!
  • 4th Floor, Ste AB - 407
  • 143 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 4th Floor, Ste AB - 412
  • 601 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 4th Floor, Ste LB - 410
  • 1,127 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Great Private office available for lease! This space is currently built out but willing to work with tenant for desired buildout!

  • Fully Built-Out as Standard Office
  • Central Air and Heating
  • 1 Private Office
  • Buildout Flexibility!
  • 5th Floor, Ste AB - 501
  • 36 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 5th Floor, Ste LB - 505
  • 268 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 5th Floor, Ste LB - 509
  • 300 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 5th Floor, Ste LB - 510
  • 692 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 5th Floor, Ste LB - 512
  • 258 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 6th Floor, Ste AB - 601
  • 1,590 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 6th Floor, Ste AB - 606
  • 252 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 6th Floor, Ste AB - 610
  • 850 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 6th Floor, Ste LB - 600
  • 2,436 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 9th Floor, Ste AB - 905
  • 718 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
  • 11th Floor, Ste AB - 1109
  • 1,731 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Listed lease rate plus proportional share of electrical cost
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor, Ste AB - 20 6,072 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
3rd Floor, Ste AB - 301 500 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
3rd Floor, Ste LB - 300 2,165 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
3rd Floor, Ste LB - 307 1,824 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
4th Floor, Ste AB - 403 982 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
4th Floor, Ste AB - 404 357 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
4th Floor, Ste AB - 407 143 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
4th Floor, Ste AB - 412 601 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
4th Floor, Ste LB - 410 1,127 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
5th Floor, Ste AB - 501 36 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
5th Floor, Ste LB - 505 268 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
5th Floor, Ste LB - 509 300 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
5th Floor, Ste LB - 510 692 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
5th Floor, Ste LB - 512 258 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
6th Floor, Ste AB - 601 1,590 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
6th Floor, Ste AB - 606 252 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
6th Floor, Ste AB - 610 850 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
6th Floor, Ste LB - 600 2,436 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
9th Floor, Ste AB - 905 718 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
11th Floor, Ste AB - 1109 1,731 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now

1st Floor, Ste AB - 20

Size
6,072 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now

3rd Floor, Ste AB - 301

Size
500 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

3rd Floor, Ste LB - 300

Size
2,165 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

3rd Floor, Ste LB - 307

Size
1,824 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

4th Floor, Ste AB - 403

Size
982 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

4th Floor, Ste AB - 404

Size
357 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now

4th Floor, Ste AB - 407

Size
143 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

4th Floor, Ste AB - 412

Size
601 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

4th Floor, Ste LB - 410

Size
1,127 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
Now

5th Floor, Ste AB - 501

Size
36 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

5th Floor, Ste LB - 505

Size
268 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

5th Floor, Ste LB - 509

Size
300 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

5th Floor, Ste LB - 510

Size
692 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

5th Floor, Ste LB - 512

Size
258 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

6th Floor, Ste AB - 601

Size
1,590 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

6th Floor, Ste AB - 606

Size
252 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

6th Floor, Ste AB - 610

Size
850 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

6th Floor, Ste LB - 600

Size
2,436 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

9th Floor, Ste AB - 905

Size
718 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

11th Floor, Ste AB - 1109

Size
1,731 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

1st Floor, Ste AB - 20

Size 6,072 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

First floor office space for lease starting at 1,704 SF! This space is comprised of numerous private offices with plenty of natural lighting and even a potential conference room!

  • Fully Built-Out as Standard Office
  • 8 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition
  • Tons of natural lighting!
  • Potential Conferencing space!

3rd Floor, Ste AB - 301

Size 500 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

3rd Floor, Ste LB - 300

Size 2,165 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

3rd Floor, Ste LB - 307

Size 1,824 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

4th Floor, Ste AB - 403

Size 982 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

4th Floor, Ste AB - 404

Size 357 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

Great Private office available for lease! This space is currently built out but willing to work with tenant for desired buildout!

  • Fully Built-Out as Standard Office
  • 1 Private Office
  • Central Air and Heating
  • Buildout Flexibility!

4th Floor, Ste AB - 407

Size 143 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

4th Floor, Ste AB - 412

Size 601 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

4th Floor, Ste LB - 410

Size 1,127 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available Now

Great Private office available for lease! This space is currently built out but willing to work with tenant for desired buildout!

  • Fully Built-Out as Standard Office
  • 1 Private Office
  • Central Air and Heating
  • Buildout Flexibility!

5th Floor, Ste AB - 501

Size 36 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

5th Floor, Ste LB - 505

Size 268 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

5th Floor, Ste LB - 509

Size 300 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

5th Floor, Ste LB - 510

Size 692 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

5th Floor, Ste LB - 512

Size 258 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

6th Floor, Ste AB - 601

Size 1,590 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

6th Floor, Ste AB - 606

Size 252 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

6th Floor, Ste AB - 610

Size 850 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

6th Floor, Ste LB - 600

Size 2,436 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

9th Floor, Ste AB - 905

Size 718 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

11th Floor, Ste AB - 1109

Size 1,731 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Listed lease rate plus proportional share of electrical cost

Property Overview

The Alworth/Lonsdale Building has long stood as an iconic landmark in the heart of downtown Duluth. Overlooking the shimmering blue expanse of Lake Superior, this historic office building offers unparalleled views of both the scenic harbor and the natural beauty that surrounds the city. Connected to Duluth's extensive network of climate-controlled skywalks, the Alworth/Lonsdale Building provides tenants with easy access to the array of shops, restaurants, and services that populate the vibrant downtown area. Tenants enjoy amenities like conference rooms for meetings, full-service leases, and on-site building management to handle any needs. With its prime location, beautiful architecture, and modern features, it is no wonder the Alworth Building is consistently one of the most desirable addresses for businesses in Duluth, offering a prestigious and convenient headquarters. From the building's origins as a landmark of Duluth's prosperous early 20th century days, to its current status as a premier downtown office space, the storied Alworth/Lonsdale Building remains a fixture of success in the heart of the city.

  • 24 Hour Access
  • Banking
  • Bus Line
  • Controlled Access
  • Conferencing Facility
  • Signage

Property Facts

Building Type
Office
Year Built
1909
LoopNet Rating
4 Star
Building Height
15 Stories
Building Size
97,234 SF
Building Class
A
Typical Floor Size
5,837 SF
Unfinished Ceiling Height
11’
Parking
10 Surface Parking Spaces
200 Covered Parking Spaces

Attachments

Alworth Brochure
Moderately walkable
60/100
Exceptionally drivable
90/100
Good public transit
70/100
Fairly bikeable
50/100
  • Listing ID: 11900417

  • Date on Market: 6/5/2026

  • Last Updated:

  • Address: 306 W Superior St, Duluth, MN 55802

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