Dual Staircase Office
711 21st Street Prairie du Sac, WI 53578
For Sale
$1,900,000
COMMERCIAL - Prairie Du Sac, WI
Property Size11,020 SF
Lot Size0.85 Acres
Price / SF$172.41
Days on Market107
Property Features for 711 21st Street
General Information
- Property type
- Commercial Sale
- Property subtype
- Other
- Zoning
- Commercial
- Security features
- Security Lighting
- Interior features
- Passenger elevator, Private Restrooms, Shared Restrooms, Reception area, Internal sprinkler, Security lighting, Private office(s)
- Accessibility
- Accessible Elevator Installed
- Standard status
- Active
- APN
- 172-0936-81510
- Size
- 11,020 SF
- Lot size
- 0.85 Acres
Taxes and HOA fees
- Tax Year
- 2024
- Tax Annual Amount
- 17169
Building Details
- Year built
- 2004
- Number of units
- 1
- Roof type
- Composition
Listing Agency:
Bunbury & Assoc, REALTORS
(608) 643-8525
Listed By:
Daleen Heffron · License #3708790
(608) 963-6023
Added: Apr 8
Changed: Jul 23
Last Checked: Jul 23 at 3:06PM
MLS# 2019582
Copyright © 2026 REALTORS® Association of South Central Wisconsin. 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 distinctive multi-level office building combines mansion-inspired architectural character with commercial specifications. Features include expansive windows, warm indirect lighting, dual grand staircases, and a gold chandelier. The interior layout includes a full kitchen with high-end appliances, three full bathrooms, an elevator serving all three levels, a theater room, an exercise room, balconies, and two porches. The exterior presents 16 stately columns and includes a large standby generator.
Located at 711 21st Street in Prairie du Sac, Wisconsin, the property is zoned Commercial, with public remarks also noting it as Highway Business. The building totals 11,020 square feet.
The offering is presented as having a flexible-use configuration, with public remarks noting the parcel may offer potential for division subject to approvals.
Located at 711 21st Street in Prairie du Sac, Wisconsin, the property is zoned Commercial, with public remarks also noting it as Highway Business. The building totals 11,020 square feet.
The offering is presented as having a flexible-use configuration, with public remarks noting the parcel may offer potential for division subject to approvals.
Key Highlights
- Built in 2004 with 2.8 acres of property currently zoned Hwy Business
- Passenger elevator provides access to all 3 levels, with accessible elevator installed
- Layout includes a reception area, private office(s), and private and shared restrooms
Financial Insights For Healthcare Medical
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 | $264.5k | $24.00 |
| − Vacancy | −$21.7k | −$1.97 |
| EGI | $242.8k | $22.03 |
| − OpEx | −$97.1k | −$8.81 |
| NOI | $145.7k | $13.22 |
11,020 SF · lease $24.00/SF/yr · vacancy 8.20% · expense 40.00%
Alternative Uses
Best Use
Healthcare Medical
$2.08M
$1.82M – $2.43M
NOI $145,676 @ 7.0% cap · market cap 7.67%
Second Best
Office B
$1.55M
$1.35M – $1.81M
NOI $108,305 @ 7.0% cap · market cap 5.70%
Theoretical Best
Office A
$2.23M
$1.95M – $2.60M
NOI $156,149 @ 7.0% cap · market cap 8.22%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
American Data
(Bike/Boat/Book/etc) Store
FAQs
What type of property is this?
Spa & wellness property - Distinctive multi-level office building with an elevator, theater and exercise rooms, and a full kitchen.
Where is this spa & wellness property located?
The property is located at 711 21st Street Prairie du Sac, WI.
What is the asking price?
The asking price for this property is $1,900,000.
What are key features of this property?
This property features: Built in 2004 with 2.8 acres of property currently zoned Hwy Business; Passenger elevator provides access to all 3 levels, with accessible elevator installed; Layout includes a reception area, private office(s), and private and shared restrooms
