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Historic Office Building
For Sale
$2,600,000

335 N Main Ave, Sioux Falls, SD 57104

COMMERCIAL, Sioux Falls, SD

Property Size14,368 SF
Lot Size0.44 Acres
Price / SF$180.96
Days on Market191

Property Features for 335 N Main Ave

General Information

Property type Commercial Sale
Property subtype Other
Zoning RE6
Parking features Offsite
Security features Security Lighting
Subdivision J Phillips Addn
Directions Located at the corner of 6th Street and N Main Ave
Standard status Active
APN 43001
Size 14,368 SF
Lot size 0.44 Acres

Taxes and HOA fees

Tax Description Lots 16A, 17 and Lot 18 Block 12 J L Phillips Addition to the City of Sioux Falls
Tax Annual Amount 21074
Legal Description Lots 16A, 17 and Lot 18 Block 12 J L Phillips Addition to the City of Sioux Falls

Utilities

Utilities Water Available
Heating system Hot Water(Heating)
Cooling system Central Air

Building Details

Year built 1892
Floors in Building 3
Number of units 4
Flooring type Carpet, Concrete, Tile, Wood
Roof type Rubber
Listing Agency: Bridges Real Estate
Listed By: Kevin Kuiper
Added: Apr 16 Changed: Oct 23 Last Checked: Oct 23 at 9:06PM
MLS# 22602650

Copyright © 2026 Realtor Association of the Sioux Empire MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

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Investment Insights

Based on property information with market context.

Built in 1892, this three-level office property combines historic architectural character with established commercial improvements. The 14,368-square-foot building includes professional offices on the upper floors, a main level configured as a portrait studio, and approximately 1,300 square feet of finished basement area. Garden-level windows bring natural light to the lower level, while an elevator serves the second and third floors. Original oak, pine, maple, and cherry flooring remains on the main level, complemented by tile, concrete, and carpet elsewhere in the building. The property also features 14-foot ceilings on the main floor, central air, hot-water heating, a rubber roof, and water availability.

Set on 0.439 acres near downtown Sioux Falls and Falls Park, the property includes a treed court area and off-street parking. The building is zoned RE6 and was designed by architect Dow Wallace.

Key Highlights

  • 14,368‑square‑foot office building constructed in 1892
  • Approximately 1,300 square feet of finished basement space with garden‑level windows
  • 14‑foot main‑level ceilings and original oak, pine, maple, and cherry flooring

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$192,352
Cap Rate
7.40%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$3,847,040 $3.8M
Cap Rate 7%
$2,747,886 $2.7M
Cap Rate 9%
$2,137,244 $2.1M
Market Conditions
NOI Build-Up for 14,368 SF
Gross rent
$301.7K $21.00/SF
− Vacancy
−$45.3K −$3.15/SF
EGI
$256.5K $17.85/SF
− OpEx
−$64.1K −$4.46/SF
NOI
$192.4K $13.39/SF
Area
Sioux Falls, SD
Vacancy
15.00%
Lease Rate
$21.00 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$3,847,040
Cap Rate 7%
$2,747,886
Cap Rate 9%
$2,137,244

Alternative Uses

Best Use
Office B
$2.75M
$2.40M – $3.21M (±1% cap)
NOI $192,352 @ 7.0% cap · market cap 7.40%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$3.90M
$3.41M – $4.55M (±1% cap)
NOI $273,107 @ 7.0% cap · market cap 10.50%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Current Use

East River Legal ... Law Firm Evans Portraits Photography Service D. Sonny Walter, ... Law Firm Lotus Legal Services, ... Law Firm

Suggested Use

Top Pick Dental Office Building Supply Big Box & Wholesale Store Electrical Service HVAC Service Skin Care Clinic

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

2,354
Businesses Nearby

Demographics for 57104, SD

26,998
Population
13,952
Households
1.9
Avg Household Size
37
Median Age
25%
College-Educated
90%
High-School Grad
30.4 sq mi
ZIP Area
888
Density / Sq Mi
$59,161
Median Household Income
$39,101
Median Earnings
$849
Median Rent
$183,700
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Office in Midwest region

13.7% 2019
15.6% 2020
17.1% 2021
18.9% 2022
21% 2023
22% 2024
21.3% 2025

Frequently Asked Questions

What type of property is this?
Office building - 1892 office property with professional suites, original hardwood flooring, an elevator, and finished garden-level space.
Where is this office building located?
The property is located at 335 N Main Ave Sioux Falls, SD.
What is the asking price?
The asking price for this property is $2,600,000.
What are key features of this property?
This property features: 14,368‑square‑foot office building constructed in 1892; Approximately 1,300 square feet of finished basement space with garden‑level windows; 14‑foot main‑level ceilings and original oak, pine, maple, and cherry flooring
More about this property
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