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Victorian-Style Corner Office Building

730 South St Rapid City, SD 57701

730 South St, Rapid City, SD, 57701
$575,000
For Sale
$575,000

Victorian office building with three finished levels, dedicated staircase, and off-street parking.

Property Size3,752 SF
Price / SF$153.25
Days on Market51

Property Features for 730 South St

General Information

Standard status
Active
Size
3,752 SF
Listing agency RE/MAX RESULTS
Listed by BART MILLER · License #13116
Source Exprealty
Added: Jun 1 Updated: Jul 21 at 3:42AM Checked: Jul 21 at 3:42AM

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 RE/MAX RESULTS


Investment Insights

Based on property information with market context.

Victorian-style corner office building offering three finished levels of office space plus a lower level for added utility. The main floor includes a reception area, conference room, three private offices, employee break room with kitchen, and a full bathroom, anchored by two wood-burning fireplaces with granite surrounds and custom mantles. The second level provides two private offices, a flexible conference room that could function as a third office, two storage areas, and a bathroom with a classic claw foot bathtub and tiled flooring, served by a dedicated staircase providing secondary access to the exterior. The lower level adds additional space suitable for storage, records, or support use.

The property is located at the corner of Mount Rushmore Road and South Street, with off-street parking available. Recent exterior updates include a brand-new roof and fresh exterior paint completed in 2025, following comprehensive renovations in 2005 that included updated HVAC, electrical, and plumbing systems.

Key Highlights

  • Victorian‑style office building on the corner of Mount Rushmore Road and South Street
  • 3,750+ sq. ft. of rentable space across three finished levels
  • Main floor (1,561 sq. ft.) includes reception, conference room, 3 private offices, break room with kitchen, and full bathroom

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 $56.3k $15.00
− Vacancy −$8.4k −$2.25
EGI $47.8k $12.75
− OpEx −$12.0k −$3.19
NOI $35.9k $9.56
3,752 SF · lease $15.00/SF/yr · vacancy 15.00% · expense 25.00%

Alternative Uses

Best Use
Office B
$512.6K
$448.5K – $598.0K (±1% cap)
NOI $35,879 @ 7.0% cap · market cap 6.24%
Second Best
—
—
no second resolved use
Theoretical Best
Specialty Retail
$680.2K
$595.2K – $793.6K (±1% cap)
NOI $47,613 @ 7.0% cap · market cap 8.28%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Location Intelligence

Current Use by Public Records

Renatus Exteriors Roofing Company Torno Mediation & Mental ... Mediation Service

Suggested Use

Locksmith (Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store Pet Store Grocery & Convenience Store Restaurant Butcher Electrical Service

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Office building - Victorian office building with three finished levels, dedicated staircase, and off-street parking.
Where is this office building located?
The property is located at 730 South St Rapid City, SD.
What is the asking price?
The asking price for this property is $575,000.
What are key features of this property?
This property features: Victorian‑style office building on the corner of Mount Rushmore Road and South Street; 3,750+ sq. ft. of rentable space across three finished levels; Main floor (1,561 sq. ft.) includes reception, conference room, 3 private offices, break room with kitchen, and full bathroom
Contact an agent
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