The Gas Company Building

114 S. Main Avenue Sioux Falls, SD

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Lease Rate: $16.00/ sq. ft. NNN

Total Available Space: 21,000

Suite Size: 7,000 - 21,000 sq. ft.

Property Type: Office | Retail

Year Built: 1941

Property Description

Property Features

  • Available immediately
  • Office or retail space in the historic Gas Company Building
  • Year built: 1941 by Sioux Falls Construction Company and designed by Harold Spitznagel
  • 1st floor: 7,000 - 14,000 sq. ft. available
    • It can be subdivided to approx. 7,000 sq. ft. with
  • private street entrance
  • Lower level: 7,000 sq. ft. available via an internal staircase and alley entrance
  • Ceiling heights: 12’6” and 13’6”
  • Private parking garage with 14 spaces
  • City parking ramp located adjacent to building - 353


  • First floor: $16.00/ sq. ft. NNN
  • Lower level: $8.00 - $12.00/ sq. ft. NNN
  • Estimated NNN: $4.50/ sq. ft.
  • Tenant improvement allowance: $30/ sq. ft.
  • 5 - 10 year lease term


Gregg Brown, MBA, SIOR

Senior Vice President/Managing Director

Office Phone: (605) 444 -7103

Gregg joined NAI Sioux Falls in February, 2016 as Senior Vice President/Managing Director.  Gregg has 23 years of experience in commercial real estate brokerage and is well established in corporate and landlord advisory services and tenant representation.

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Marcus Mahlen, CCIM

Senior Vice President

Office Phone: (605) 444-7116

Since joining NAI Sioux Falls, in February, 2017 as a broker associate,  Marcus Mahlen has earned his CCIM designation and is a 2019 Graduate of Leadership South Dakota.

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