Share This Listing

Message

913 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

First Interstate Center & Transwestern Plaza Billings, MT 59101 199 - 55,901 SF of Office Space Available

Matterport 3D Tour

Save this listing!

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

Park Highlights

  • First Interstate Center & Transwestern Plaza is a professional business complex strategically positioned on the edge of Downtown Billings.
  • Offering a wide range of office suites across two blocks, the office buildings provide 360-degree views, landscaped courtyards, and ample parking.
  • Home to many remarkable companies, United Properties Inc. works with tenants to create high-functioning interiors that reflect the company’s brand.
  • Centrally located, the offices are less than a mile from notable Downtown Billings retail, entertainment, food service, and public transit hubs.

Park Facts

Total Space Available 55,901 SF
Park Type Office Park

All Available Spaces(25)

Display Rental Rate as

First Interstate Center & Transwestern Plaza
490 N 31st St - Transwestern 2
685 - 3,133 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/A
Year Built
1981
Building Size
74,899 SF
Building Height
5 Stories
Typical Floor Size
14,980 SF
Parking
120 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 1st Floor, Ste 100
  • 815 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 2nd Floor, Ste 210
  • 1,633 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Office intensive layout
  • Secure Storage
  • 2nd Floor, Ste 235
  • 685 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 100 815 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office - Now
2nd Floor, Ste 210 1,633 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
2nd Floor, Ste 235 685 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office - Now
First Interstate Center & Transwestern Plaza
490 N 31st St - Transwestern 2
685 - 3,133 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/A
Year Built
1981
Building Size
74,899 SF
Building Height
5 Stories
Typical Floor Size
14,980 SF
Parking
120 Spaces

490 N 31st St - 1st Floor - Ste 100

Size
815 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
Now

490 N 31st St - 2nd Floor - Ste 210

Size
1,633 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

490 N 31st St - 2nd Floor - Ste 235

Size
685 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
Now
First Interstate Center & Transwestern Plaza
550 N 31st St - Transwestern 3
600 - 29,118 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built
1983
Building Size
81,472 SF
Building Height
5 Stories
Typical Floor Size
16,294 SF
Parking
120 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 1st Floor, Ste 100
  • 6,040 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • March 16, 2026
  • 1st Floor, Ste 101
  • 1,290 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Secure Storage
  • 2nd Floor, Ste 220
  • 2,062 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026
  • 2nd Floor, Ste 250
  • 600 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026
  • 2nd Floor, Ste 260
  • 3,299 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Secure Storage
  • 4th Floor, Ste 400
  • 15,827 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Space In Need of Renovation
  • Secure Storage
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 100 6,040 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - March 16, 2026
1st Floor, Ste 101 1,290 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
2nd Floor, Ste 220 2,062 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
2nd Floor, Ste 250 600 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
2nd Floor, Ste 260 3,299 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
4th Floor, Ste 400 15,827 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
First Interstate Center & Transwestern Plaza
550 N 31st St - Transwestern 3
600 - 29,118 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built
1983
Building Size
81,472 SF
Building Height
5 Stories
Typical Floor Size
16,294 SF
Parking
120 Spaces

550 N 31st St - 1st Floor - Ste 100

Size
6,040 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
March 16, 2026

550 N 31st St - 1st Floor - Ste 101

Size
1,290 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

550 N 31st St - 2nd Floor - Ste 220

Size
2,062 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026

550 N 31st St - 2nd Floor - Ste 250

Size
600 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026

550 N 31st St - 2nd Floor - Ste 260

Size
3,299 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

550 N 31st St - 4th Floor - Ste 400

Size
15,827 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now
First Interstate Center & Transwestern Plaza
404 N 31st St - Transwestern 1
199 - 5,080 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1955/2002
Building Size
35,014 SF
Building Height
5 Stories
Typical Floor Size
7,003 SF
Parking
120 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 1st Floor, Ste 106
  • 271 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Secure Storage
  • 4th Floor, Ste 402
  • 201 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026

Newly renovated Class A

  • 4th Floor, Ste 404
  • 199 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026

Newly renovated Class A

  • 4th Floor, Ste 406
  • 249 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026

Newly renovated Class A

  • 4th Floor, Ste 408
  • 240 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026

Newly renovated Class A

  • 4th Floor, Ste 410
  • 264 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026

Newly renovated Class A

  • 4th Floor, Ste 412
  • 514 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026

Newly renovated Class A space with Kitchenette and sink.

  • 4th Floor, Ste 414
  • 2,578 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Secure Storage
  • 4th Floor, Ste 414
  • 564 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026

Newly renovated Class A space with Kitchenette and sink.

Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 106 271 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
4th Floor, Ste 402 201 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
4th Floor, Ste 404 199 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
4th Floor, Ste 406 249 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
4th Floor, Ste 408 240 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
4th Floor, Ste 410 264 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
4th Floor, Ste 412 514 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
4th Floor, Ste 414 2,578 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
4th Floor, Ste 414 564 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
First Interstate Center & Transwestern Plaza
404 N 31st St - Transwestern 1
199 - 5,080 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1955/2002
Building Size
35,014 SF
Building Height
5 Stories
Typical Floor Size
7,003 SF
Parking
120 Spaces

404 N 31st St - 1st Floor - Ste 106

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

404 N 31st St - 4th Floor - Ste 402

Size
201 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026

404 N 31st St - 4th Floor - Ste 404

Size
199 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026

404 N 31st St - 4th Floor - Ste 406

Size
249 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026

404 N 31st St - 4th Floor - Ste 408

Size
240 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026

404 N 31st St - 4th Floor - Ste 410

Size
264 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026

404 N 31st St - 4th Floor - Ste 412

Size
514 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026

404 N 31st St - 4th Floor - Ste 414

Size
2,578 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

404 N 31st St - 4th Floor - Ste 414

Size
564 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026
First Interstate Center & Transwestern Plaza
401 N 31st St - First Interstate Center
462 - 18,570 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1985/2016
Building Size
206,955 SF
Building Height
18 Stories
Typical Floor Size
11,444 SF
Parking
750 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 6th Floor, Ste 601
  • 4,780 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Secure Storage
  • 7th Floor, Ste 701
  • 2,163 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Secure Storage
  • 7th Floor, Ste 715
  • 462 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • February 01, 2026
  • 9th Floor, Ste 950
  • 2,972 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Secure Storage
  • Mostly Open Floor Plan Layout
  • Kitchen
  • 12th Floor, Ste Multiple
  • 4,754 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Secure Storage
  • 16th Floor, Ste 1650
  • 2,088 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Law Office
  • Space is in Excellent Condition
  • Kitchen
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Secure Storage
  • 17th Floor, Ste 1705
  • 1,351 SF
  • 1-10 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Secure Storage
Space Size Term Rental Rate Space Use Condition Available
6th Floor, Ste 601 4,780 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
7th Floor, Ste 701 2,163 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
7th Floor, Ste 715 462 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - February 01, 2026
9th Floor, Ste 950 2,972 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
12th Floor, Ste Multiple 4,754 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
16th Floor, Ste 1650 2,088 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
17th Floor, Ste 1705 1,351 SF 1-10 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
First Interstate Center & Transwestern Plaza
401 N 31st St - First Interstate Center
462 - 18,570 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request | View Building Details
Building Type/Class
Office/B
Year Built/Renovated
1985/2016
Building Size
206,955 SF
Building Height
18 Stories
Typical Floor Size
11,444 SF
Parking
750 Spaces

401 N 31st St - 6th Floor - Ste 601

Size
4,780 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

401 N 31st St - 7th Floor - Ste 701

Size
2,163 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

401 N 31st St - 7th Floor - Ste 715

Size
462 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
-
Available
February 01, 2026

401 N 31st St - 9th Floor - Ste 950

Size
2,972 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

401 N 31st St - 12th Floor - Ste Multiple

Size
4,754 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

401 N 31st St - 16th Floor - Ste 1650

Size
2,088 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

401 N 31st St - 17th Floor - Ste 1705

Size
1,351 SF
Term
1-10 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

490 N 31st St - 1st Floor - Ste 100

Size 815 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition -
Available Now

490 N 31st St - 2nd Floor - Ste 210

Size 1,633 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Office intensive layout
  • Central Air Conditioning
  • Secure Storage

490 N 31st St - 2nd Floor - Ste 235

Size 685 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition -
Available Now

550 N 31st St - 1st Floor - Ste 100

Size 6,040 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available March 16, 2026

550 N 31st St - 1st Floor - Ste 101

Size 1,290 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Secure Storage

550 N 31st St - 2nd Floor - Ste 220

Size 2,062 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

550 N 31st St - 2nd Floor - Ste 250

Size 600 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

550 N 31st St - 2nd Floor - Ste 260

Size 3,299 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Secure Storage

550 N 31st St - 4th Floor - Ste 400

Size 15,827 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space In Need of Renovation
  • Central Air Conditioning
  • Secure Storage

404 N 31st St - 1st Floor - Ste 106

Size 271 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Secure Storage

404 N 31st St - 4th Floor - Ste 402

Size 201 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

Newly renovated Class A

404 N 31st St - 4th Floor - Ste 404

Size 199 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

Newly renovated Class A

404 N 31st St - 4th Floor - Ste 406

Size 249 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

Newly renovated Class A

404 N 31st St - 4th Floor - Ste 408

Size 240 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

Newly renovated Class A

404 N 31st St - 4th Floor - Ste 410

Size 264 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

Newly renovated Class A

404 N 31st St - 4th Floor - Ste 412

Size 514 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

Newly renovated Class A space with Kitchenette and sink.

404 N 31st St - 4th Floor - Ste 414

Size 2,578 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Secure Storage

404 N 31st St - 4th Floor - Ste 414

Size 564 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

Newly renovated Class A space with Kitchenette and sink.

401 N 31st St - 6th Floor - Ste 601

Size 4,780 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Secure Storage

401 N 31st St - 7th Floor - Ste 701

Size 2,163 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Secure Storage

401 N 31st St - 7th Floor - Ste 715

Size 462 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition -
Available February 01, 2026

401 N 31st St - 9th Floor - Ste 950

Size 2,972 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Kitchen
  • Secure Storage

401 N 31st St - 12th Floor - Ste Multiple

Size 4,754 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Secure Storage

401 N 31st St - 16th Floor - Ste 1650

Size 2,088 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Law Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Kitchen
  • Secure Storage

401 N 31st St - 17th Floor - Ste 1705

Size 1,351 SF
Term 1-10 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Park-like campus setting located on the Billings Met Transit route. 24-Hour Tenant services on-call.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Secure Storage

Matterport 3D Tour

Suite 1650 Office with Large Windows, Storage, and Private Offices

Select Tenants at This Property

  • Floor
  • Tenant Name
  • Industry
  • Multiple
  • Crowley Fleck PLLP
  • Professional, Scientific, and Technical Services
  • 11th
  • Eide Bailly
  • Professional, Scientific, and Technical Services
  • 5th
  • First Financial Equity Corporation
  • Finance and Insurance
  • 15th
  • Holland & Hart
  • Professional, Scientific, and Technical Services
  • 1st
  • Merrill Lynch
  • Finance and Insurance
  • 9th
  • Morgan Stanley
  • Finance and Insurance
  • 3rd
  • RBC Wealth Management
  • Finance and Insurance
  • 3rd
  • Wipfli LLP
  • Professional, Scientific, and Technical Services

Park Overview

First Interstate Center & Transwestern Plaza share a beautifully landscaped, park-like campus on the edge of Downtown Billings. The complex includes over 400,000 square feet of Class A office space. Ongoing investment in interior renovations and energy-efficient building system upgrades ensure that quality and performance standards remain at the highest level. Pride of ownership is apparent at this business park as United Properties Inc. works with tenants to create beautiful and high-functioning interiors that reflect each company’s brand and image. First Interstate Center is Montana's tallest building, with 18 floors of premium office space. In the heart of downtown and the Yellowstone River Valley, the building boasts breathtaking panoramic views of the Beartooth and Big Horn mountain ranges and the famous Rimrocks along the north edge of town. Everywhere you turn, bands of windows provide sun-drenched workspaces and breathtaking views. Contemporarily designed, the spaces in the First Interstate Center provide plenty of executive offices, state-of-the-art conference rooms, and high-speed destination dispatch elevators. The property offers dining and snack options, such as Chalet Market, an upscale deli and gift shop, or Java Downunder, a premium coffee bar. The Transwestern Plaza comprises three low-rise office buildings with welcoming lobbies and abundant professional office space. All the buildings offer 24/7 secure tenant access and the same responsive service from the United Properties Inc. on-site maintenance team. Spanning a two-block area, First Interstate Center & Transwestern Plaza contain beautifully landscaped courtyards and ample parking choices, including metered street parking, a multilevel parking garage, and various surface parking lots. Located centrally in Downtown Billings, the business park is within walking distance of other retail, entertainment, and dining options. This location is highly accessible as it is less than a mile from main thoroughfares, including Route 3 and Interstate 90, and approximately two miles from the Billings Logan International Airport. When high-end work environments, connectivity, service, and convenience are critical, First Interstate Center & Transwestern Plaza is the ideal destination.

Park Brochure

More Attachments

TW PLAZA BROCHURE
Walk Score®
Very Walkable (79)
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.®

Nearby Amenities

Restaurants

B Town Grill Famous Phillies & More Grill - 8 min walk
The Sassy Biscuit Southern $ 8 min walk
Stacked, A Montana Grill Grill $$ 8 min walk
Jimmy John's Fast Food $ 9 min walk
Burger Dive Burgers $ 10 min walk

Retail

Farmers Insurance Insurance 5 min walk
State Farm Insurance 6 min walk
Ethan Allen Furniture/Mattress 7 min walk
Tandy Leather Leather/Luggage/Purses 8 min walk
Albertsons Supermarket 11 min walk
Anytime Fitness Fitness 12 min walk
  • Listing ID: 26939133

  • Date on Market: 1/28/2026

  • Last Updated:

  • Address: 404 N 31st St, Billings, MT 59101

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") }}