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Office Building with Monument Sign
For Sale
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1800 S Alpine Ave, Sioux Falls, SD 57110

Two-level office building offering lower and upper suites with dedicated reception and conference space, available immediately.

Property Size3,136 SF
Price / SF$196.11
Days on Market277

Property Features for 1800 S Alpine Ave

General Information

Standard status Active
Size 3,136 SF
Property subtype OFFICE

Amenities

Daktronics monument sign
shed for storage

Building Details

Stories 2
Listing Agency: NAI | Sioux Falls
Listed By: Gregg Brown, SIOR · License #20218
Source: Moodyscre
Added: Oct 30, 2025 Changed: Jul 31 Last Checked: Aug 2 at 7:07AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of NAI | Sioux Falls

Investment Insights

Based on property information with market context.

This office building is designed for flexible occupancy, including an owner-occupant layout. The lower level features four offices plus a kitchen and a conference room. The upper level includes six offices served by a reception desk. The property totals 3,136 SF and is available immediately, with the option to be sold vacant.

The building includes 137 linear feet of 26th Street frontage and a Daktronics monument sign. A shed on-site provides storage for lawn and snow equipment.

With its two-level office configuration and prominent street frontage, the property can support a range of office uses that benefit from a clear internal office mix and a defined public-facing presence at the entrance.

Key Highlights

  • 3,136 SF two‑level office building available immediately
  • Lower level: four offices plus kitchen and conference room
  • Upper level: six offices with reception desk

Financial Insights For Office B

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $65.9k $21.00
− Vacancy −$9.9k −$3.15
EGI $56.0k $17.85
− OpEx −$14.0k −$4.46
NOI $42.0k $13.39
3,136 SF · lease $21.00/SF/yr · vacancy 15.00% · expense 25.00%

Alternative Uses

Best Use
Office B
$599.8K
$524.8K – $699.7K (±1% cap)
NOI $41,983 @ 7.0% cap · market cap 6.83%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$851.6K
$745.1K – $993.5K (±1% cap)
NOI $59,609 @ 7.0% cap · market cap 9.69%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Farmers Insurance - John ... Insurance Agency Town & Country Realtors Real Estate Agency Nagel Property Management Property Management Company Kenwood Manor Apartments Apartment Building River City Roofing Roofing Company

Suggested Use

Top Pick Law Firm Real Estate Agency Dental Office Building Supply Auto Repair Shop Hair Salon

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

160
Businesses Nearby

Demographics for 57110, SD

22,013
Population
9,178
Households
2.4
Avg Household Size
35
Median Age
43%
College-Educated
92%
High-School Grad
20.9 sq mi
ZIP Area
1,053
Density / Sq Mi
$87,114
Median Household Income
$52,202
Median Earnings
$1,018
Median Rent
$365,600
Median Home Value

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
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Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Office building - Two-level office building offering lower and upper suites with dedicated reception and conference space, available immediately.
Where is this office building located?
The property is located at 1800 S Alpine Ave Sioux Falls, SD.
What is the asking price?
The asking price for this property is $615,000.
What are key features of this property?
This property features: 3,136 SF two‑level office building available immediately; Lower level: four offices plus kitchen and conference room; Upper level: six offices with reception desk
(605) 251-7625 Call to check price and availability
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