Watson Clinic

510 Main Avenue Brookings, SD

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Sale Price: $849,900

Building Size: 8,650 sq. ft.

Total Available Space: 8,650 sq. ft.

Suite Size: 8,650 Sq. Ft.

Property Type: Investment

Year Built: 1939

Property Description


  • Year built: 1939
  • Building size: 8,650 sq. ft. ($98.15/ sq. ft.)
  • Lot size: 7,500 sq. ft. (150’ X 50’)
  • Stories (includes full basement): 2
  • Residential Studio Apartments: 5
  • Commercial Offices: 14
  • Restrooms: 2
  • Indoor lower-level storage: 4
  • Garage stalls: 4
  • Off-street parking spots: 8
  • Conference room: 2


  • List price: $849,900 ($98.15/ sq. ft.)


  • Located inside of the old Watson Clinic Building at 510 Main Avenue are renovated studio apartments and office spaces. The building is located in downtown Brookings next to the Powershop Gym and the post office. There are 15 commercial office suites and five residential studio apartments, four garage stalls, and seven off-street parking spots. The entire building has been brought up to code, completely gutted and renovated and wired for whole building WiFi. It’s a solid brick and masonry building with a new roof and windows. Additional income can be generated by renting storage spaces and parking spots, collecting money from the coin-operated laundry and implementing RUBS (utility billing) on the tenants.
  • Brookings, South Dakota is approximately 50 miles north of Sioux Falls on I-29 and is home to South Dakota State University, Daktronics, 3M, Bel Brands, Larson Manufacturing, and Twin City Fan.


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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