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All Available Spaces(5)
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*** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location Located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks Street by the well-signed canopy. This main level suite is easily accessible in this high-exposure professional office building. Description of Property: This is a large, attractive, well-maintained suite with six private offices as well as two large open areas which are great for reception or conference meetings. There are several storage closets throughout this suite. This suite has a private bathroom with a shower and closet. It is nicely finished, well lit, and in very good condition. There is plenty of free on-site parking available for this fully handicap-accessible building. There are two separate exterior entrances, one on the east and one on the south side of the building. We also take care of the snow removal in the parking lot and sidewalks for you. Lease Structure: 2-3 year lease preferred. Rent: $3595.00 (subject to four percent annual adjustments) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Telephone, Internet services, all other personal utilities Square footage: 2400 sq. ft. Zoning: C1-4 2025 MT DOT Traffic Count: 14,520 Average Daily Traffic Availability: TBD For price information or to schedule a showing, contact HomeRiver Group at info.summit1@purehomeriver.com or (406) 549-3929.
- Listed rate may not include certain utilities, building services and property expenses
- 6 Private Offices
- Mostly Open Floor Plan Layout
*** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location: Centrally located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks St. by the blue canopy. Close to shopping, dining, and Rose Park. Description of Property: This centrally located office suite is approximately 300 square feet of open space. This corner suite has south and west facing windows with plenty of natural light and a nice view. The South Suburban Plaza offers on-site parking and handicap accessibility, a welcoming lobby, elevator, and recently remodeled restrooms on each of the three floors. Restrooms and lobby area are maintained by our janitorial staff. We also take care of the parking lot and sidewalks for you. Lease Structure: 2-3 Year lease preferred. Negotiable. Rent: $575.00 (subject to four percent annual adjustments) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Internet, phone and any other personal utilities needed Square Footage: Approx: 300 Zoning: C1-4 2025 MT DOT Traffic Count: 14,520 Average Daily Traffic Availability: Available 11/20/2026 For price information or to schedule a showing contact HomeRiver Group. at info.summit@purehomeriver.com or (406) 549-3929.
- Listed rate may not include certain utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- Fully Built-Out as Standard Office
- Space is in Excellent Condition
*** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location: Centrally located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks St. by the well signed canopy. This second-floor suite is easily accessible by elevator or by taking the beautiful staircase from the ground floor. Close to shopping, dining, and other major businesses. Description of Property: This centrally located office suite is approximately 250 square feet and divided into 2 rooms, with newer carpet! The first room is an attractive wide-open space. The second room is in the back of the suite with a counter and sink. The South Suburban Plaza offers on-site parking and handicap accessibility, a welcoming lobby, elevator, and recently remodeled restrooms on each of the three floors. Restrooms and lobby area are maintained by our janitorial staff. We also take care of the parking lot and sidewalks for you. Lease Structure: 2-3 year lease preferred. Rent: $450.00 Current rate (Subject to annual increases) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Phone, Internet, and all other personal utilities. Square Footage: Approx: 250 Zoning: C1-4 2025 MT DOT Traffic Count: 14,520 Average Daily Traffic Availability: Available 11/11/2026 For price information or to schedule a showing contact HomeRiver Group. at info.summit@purehomeriver.com or (406) 549-3929.
- Listed rate may not include certain utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- Fully Built-Out as Standard Office
- Space is in Excellent Condition
Small Office Space Available in South Suburban Plaza! *** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location: Centrally located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks St. by the well signed canopy. This second-floor suite is easily accessible by elevator or by taking the beautiful staircase from the ground floor. Close to shopping, dining, and other major businesses. Description of Property: This centrally located office suite is approximately 308 square feet and has a nice open floor plan. This is an interior office and is located on the top floor of the building. The South Suburban Plaza offers on-site parking and handicap accessibility, a welcoming lobby, elevator, and restrooms on each of the three floors. Restrooms and lobby area are maintained by our janitorial staff. We also take care of the parking lot and sidewalks for you. Lease Structure: 2-3 year lease preferred Rent: Currently $495.00 (subject to four percent annual increase) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Phone, Internet & All other personal utilities. Square Footage: Approx: 308 SF Zoning: C1-4 2024 MT DOT Traffic Count: AADT 14,462 Availability: Available 11/19/2025 For price information or to schedule a showing contact HomeRiver Group at info.summit@homeriver.com or (406) 549-3929
- Listed rate may not include certain utilities, building services and property expenses
Centrally Located Professional Office Space! *** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location: Centrally located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks St. by the blue canopy. This second-floor suite is easily accessible by elevator or by taking the beautiful staircase from the ground floor. Close to shopping, dining, and Rose Park. Description of Property: This centrally located office suite is approximately 320 square feet and divided into 2 rooms. The first room is an attractive 12 x 12 space that could easily be used for a reception area and the second room is the same dimensions with floor to ceiling narrow windows that allow for natural light and a nice view. The South Suburban Plaza offers on-site parking and handicap accessibility, a welcoming lobby, elevator and recently remodeled restrooms on each of the three floors. Restrooms and lobby area are maintained by our janitorial staff. We also take care of the parking lot and sidewalks for you. Lease Structure: 2-3 year lease preferred but negotiable. Rent: $465.00 (Subject to annual increases) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Internet, phone and any other personal utilities needed Square Footage: Approx: 270 Zoning: C1-4 2025 MT DOT Traffic Count: 14,520 Average Daily Traffic Availability: 10/05/2026 (Possibly Earlier) For price information or to schedule a showing contact Summit Property Management, Inc. at info.summit@purehomeriver.com or (406) 549-3929.
- Listed rate may not include certain utilities, building services and property expenses
| Space | Size | Term | Rental Rate | Space Use | Build-Out | Available |
| 1st Floor, Ste 100 | 2,400 SF | Negotiable | $17.98 /SF/YR $1.50 /SF/MO $43,152 /YR $3,596 /MO | Office/Retail | - | August 31, 2026 |
| 1st Floor, Ste 105 | 300 SF | Negotiable | $23.00 /SF/YR $1.92 /SF/MO $6,900 /YR $575.00 /MO | Office | Full Build-Out | November 20, 2026 |
| 2nd Floor, Ste 205 | 250 SF | Negotiable | $21.60 /SF/YR $1.80 /SF/MO $5,400 /YR $450.00 /MO | Office | Full Build-Out | November 11, 2026 |
| 2nd Floor, Ste 206 | 308 SF | Negotiable | $19.28 /SF/YR $1.61 /SF/MO $5,938 /YR $494.85 /MO | Office | - | Now |
| 2nd Floor, Ste 211C | 270 SF | Negotiable | $20.67 /SF/YR $1.72 /SF/MO $5,581 /YR $465.08 /MO | Office | - | October 05, 2026 |
1st Floor, Ste 100
| Size |
| 2,400 SF |
| Term |
| Negotiable |
| Rental Rate |
| $17.98 /SF/YR $1.50 /SF/MO $43,152 /YR $3,596 /MO |
| Space Use |
| Office/Retail |
| Build-Out |
| - |
| Available |
| August 31, 2026 |
1st Floor, Ste 105
| Size |
| 300 SF |
| Term |
| Negotiable |
| Rental Rate |
| $23.00 /SF/YR $1.92 /SF/MO $6,900 /YR $575.00 /MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| November 20, 2026 |
2nd Floor, Ste 205
| Size |
| 250 SF |
| Term |
| Negotiable |
| Rental Rate |
| $21.60 /SF/YR $1.80 /SF/MO $5,400 /YR $450.00 /MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| November 11, 2026 |
2nd Floor, Ste 206
| Size |
| 308 SF |
| Term |
| Negotiable |
| Rental Rate |
| $19.28 /SF/YR $1.61 /SF/MO $5,938 /YR $494.85 /MO |
| Space Use |
| Office |
| Build-Out |
| - |
| Available |
| Now |
2nd Floor, Ste 211C
| Size |
| 270 SF |
| Term |
| Negotiable |
| Rental Rate |
| $20.67 /SF/YR $1.72 /SF/MO $5,581 /YR $465.08 /MO |
| Space Use |
| Office |
| Build-Out |
| - |
| Available |
| October 05, 2026 |
1st Floor, Ste 100
| Size | 2,400 SF |
| Term | Negotiable |
| Rental Rate | $17.98 /SF/YR |
| Space Use | Office/Retail |
| Build-Out | - |
| Available | August 31, 2026 |
*** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location Located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks Street by the well-signed canopy. This main level suite is easily accessible in this high-exposure professional office building. Description of Property: This is a large, attractive, well-maintained suite with six private offices as well as two large open areas which are great for reception or conference meetings. There are several storage closets throughout this suite. This suite has a private bathroom with a shower and closet. It is nicely finished, well lit, and in very good condition. There is plenty of free on-site parking available for this fully handicap-accessible building. There are two separate exterior entrances, one on the east and one on the south side of the building. We also take care of the snow removal in the parking lot and sidewalks for you. Lease Structure: 2-3 year lease preferred. Rent: $3595.00 (subject to four percent annual adjustments) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Telephone, Internet services, all other personal utilities Square footage: 2400 sq. ft. Zoning: C1-4 2025 MT DOT Traffic Count: 14,520 Average Daily Traffic Availability: TBD For price information or to schedule a showing, contact HomeRiver Group at info.summit1@purehomeriver.com or (406) 549-3929.
- Listed rate may not include certain utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- 6 Private Offices
1st Floor, Ste 105
| Size | 300 SF |
| Term | Negotiable |
| Rental Rate | $23.00 /SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | November 20, 2026 |
*** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location: Centrally located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks St. by the blue canopy. Close to shopping, dining, and Rose Park. Description of Property: This centrally located office suite is approximately 300 square feet of open space. This corner suite has south and west facing windows with plenty of natural light and a nice view. The South Suburban Plaza offers on-site parking and handicap accessibility, a welcoming lobby, elevator, and recently remodeled restrooms on each of the three floors. Restrooms and lobby area are maintained by our janitorial staff. We also take care of the parking lot and sidewalks for you. Lease Structure: 2-3 Year lease preferred. Negotiable. Rent: $575.00 (subject to four percent annual adjustments) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Internet, phone and any other personal utilities needed Square Footage: Approx: 300 Zoning: C1-4 2025 MT DOT Traffic Count: 14,520 Average Daily Traffic Availability: Available 11/20/2026 For price information or to schedule a showing contact HomeRiver Group. at info.summit@purehomeriver.com or (406) 549-3929.
- Listed rate may not include certain utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Space is in Excellent Condition
2nd Floor, Ste 205
| Size | 250 SF |
| Term | Negotiable |
| Rental Rate | $21.60 /SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | November 11, 2026 |
*** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location: Centrally located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks St. by the well signed canopy. This second-floor suite is easily accessible by elevator or by taking the beautiful staircase from the ground floor. Close to shopping, dining, and other major businesses. Description of Property: This centrally located office suite is approximately 250 square feet and divided into 2 rooms, with newer carpet! The first room is an attractive wide-open space. The second room is in the back of the suite with a counter and sink. The South Suburban Plaza offers on-site parking and handicap accessibility, a welcoming lobby, elevator, and recently remodeled restrooms on each of the three floors. Restrooms and lobby area are maintained by our janitorial staff. We also take care of the parking lot and sidewalks for you. Lease Structure: 2-3 year lease preferred. Rent: $450.00 Current rate (Subject to annual increases) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Phone, Internet, and all other personal utilities. Square Footage: Approx: 250 Zoning: C1-4 2025 MT DOT Traffic Count: 14,520 Average Daily Traffic Availability: Available 11/11/2026 For price information or to schedule a showing contact HomeRiver Group. at info.summit@purehomeriver.com or (406) 549-3929.
- Listed rate may not include certain utilities, building services and property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Space is in Excellent Condition
2nd Floor, Ste 206
| Size | 308 SF |
| Term | Negotiable |
| Rental Rate | $19.28 /SF/YR |
| Space Use | Office |
| Build-Out | - |
| Available | Now |
Small Office Space Available in South Suburban Plaza! *** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location: Centrally located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks St. by the well signed canopy. This second-floor suite is easily accessible by elevator or by taking the beautiful staircase from the ground floor. Close to shopping, dining, and other major businesses. Description of Property: This centrally located office suite is approximately 308 square feet and has a nice open floor plan. This is an interior office and is located on the top floor of the building. The South Suburban Plaza offers on-site parking and handicap accessibility, a welcoming lobby, elevator, and restrooms on each of the three floors. Restrooms and lobby area are maintained by our janitorial staff. We also take care of the parking lot and sidewalks for you. Lease Structure: 2-3 year lease preferred Rent: Currently $495.00 (subject to four percent annual increase) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Phone, Internet & All other personal utilities. Square Footage: Approx: 308 SF Zoning: C1-4 2024 MT DOT Traffic Count: AADT 14,462 Availability: Available 11/19/2025 For price information or to schedule a showing contact HomeRiver Group at info.summit@homeriver.com or (406) 549-3929
- Listed rate may not include certain utilities, building services and property expenses
2nd Floor, Ste 211C
| Size | 270 SF |
| Term | Negotiable |
| Rental Rate | $20.67 /SF/YR |
| Space Use | Office |
| Build-Out | - |
| Available | October 05, 2026 |
Centrally Located Professional Office Space! *** Lease rates subject to change based on lease term, tenant improvements and other factors. *** Location: Centrally located on the corner of Brooks & Kensington. This location is easily identifiable from Brooks St. by the blue canopy. This second-floor suite is easily accessible by elevator or by taking the beautiful staircase from the ground floor. Close to shopping, dining, and Rose Park. Description of Property: This centrally located office suite is approximately 320 square feet and divided into 2 rooms. The first room is an attractive 12 x 12 space that could easily be used for a reception area and the second room is the same dimensions with floor to ceiling narrow windows that allow for natural light and a nice view. The South Suburban Plaza offers on-site parking and handicap accessibility, a welcoming lobby, elevator and recently remodeled restrooms on each of the three floors. Restrooms and lobby area are maintained by our janitorial staff. We also take care of the parking lot and sidewalks for you. Lease Structure: 2-3 year lease preferred but negotiable. Rent: $465.00 (Subject to annual increases) Utility/CAM Fee: $0.00 (Includes: Gas, Electric, Water, Sewer, Garbage and CAM) Lessee Pays: Internet, phone and any other personal utilities needed Square Footage: Approx: 270 Zoning: C1-4 2025 MT DOT Traffic Count: 14,520 Average Daily Traffic Availability: 10/05/2026 (Possibly Earlier) For price information or to schedule a showing contact Summit Property Management, Inc. at info.summit@purehomeriver.com or (406) 549-3929.
- Listed rate may not include certain utilities, building services and property expenses
Property Facts
Contact the Leasing Agent
South Suburban Plaza | 800 Kensington Ave


















