Three-Story Historic Office
501 Douglas Street Sioux City, IA 51101
501 Douglas Street, Sioux City, IA, 51101
$399,000
For Sale
$399,000
COMMERCIAL - Sioux City, IA
Property Size4,875 SF
Lot Size0.04 Acres
Price / SF$81.85
Days on Market596
Property Features for 501 Douglas Street
General Information
- Property type
- Commercial Sale
- Property subtype
- Other
- Standard status
- Active
- APN
- 894728307009
- Lot size
- 0.04 Acres
Taxes and HOA fees
- Tax Year
- 2024
- Tax Description
- SIOUX CITY EAST S 1/2 E 66 FT LOT 7 BLK 8
- Tax Annual Amount
- 18196
Building Details
- Year built
- 1919
Listing agency
Century 21 ProLink
(712) 224-2300
Listed by
Jennifer Rose Bass
(712) 224-2300
Added: Dec 4, 2024 Updated: Jul 15 at 4:33AM Checked: Jul 23 at 4:06AM
MLS# 827060
Copyright © 2026 Northwest Iowa Regional Board of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
This three-story office building was built in 1919 and has undergone full restoration following more than $750,000 in renovations. The building totals 4,875 square feet, with approximately 1,625 square feet per floor, and features expansive windows and high ceilings. The first floor includes a spacious open work area or conference room, a kitchenette, and two restrooms. The second floor offers five private offices, an open work space, and a restroom. The third floor includes a large conference room or work area and a restroom. An unfinished basement spans the entire footprint for additional space.
The property is located at 501 Douglas Street in Sioux City, Iowa (Woodbury County). The building also has the ability to be leased, with the listing noting $12/sf NNN for lease.
Restoration work has been completed, and the existing configuration supports a mix of private office use and collaborative conference or work areas across all three floors, with added storage or future expansion space available in the unfinished basement.
The property is located at 501 Douglas Street in Sioux City, Iowa (Woodbury County). The building also has the ability to be leased, with the listing noting $12/sf NNN for lease.
Restoration work has been completed, and the existing configuration supports a mix of private office use and collaborative conference or work areas across all three floors, with added storage or future expansion space available in the unfinished basement.
Key Highlights
- 3‑story building built in 1919 with 4,875 SF total (1,625 SF per floor)
- Over $750,000 in renovations with full restoration completed
- First floor: open work area or conference room, kitchenette, and 2 restrooms
Local 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 | $45.0k | $9.24 |
| − Vacancy | −$12.2k | −$2.49 |
| EGI | $32.9k | $6.75 |
| − OpEx | −$8.2k | −$1.69 |
| NOI | $24.7k | $5.06 |
4,875 SF · lease $9.24/SF/yr · vacancy 26.98% · expense 25.00%
Alternative Uses
Best Use
Office B
$352.4K
$308.4K – $411.2K
NOI $24,669 @ 7.0% cap · market cap 6.18%
Second Best
—
—
no second resolved use
Theoretical Best
Specialty Retail
$732.6K
$641.0K – $854.7K
NOI $51,279 @ 7.0% cap · market cap 12.85%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Office buildings
Similar For Sale Nearby
FAQs
What type of property is this?
Office building - Three-story office building with multiple restrooms, expansive windows, and flexible conference and office layouts.
Where is this office building located?
The property is located at 501 Douglas Street Sioux City, IA.
What is the asking price?
The asking price for this property is $399,000.
What are key features of this property?
This property features: 3‑story building built in 1919 with 4,875 SF total (1,625 SF per floor); Over $750,000 in renovations with full restoration completed; First floor: open work area or conference room, kitchenette, and 2 restrooms
