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Freestanding Office Building with Expansion
For Sale
$2,300,000

7700 Trenholm Road Ext, Columbia, SC 29223

Two-story office building with elevator service, plus unfinished third-floor space for future growth options.

Property Size16,625 SF
Lot Size1.94 Acres
Price / SF$138.35
Days on Market64

Property Features for 7700 Trenholm Road Ext

General Information

Standard status Active
Size 16,625 SF
Total Parking Spaces 83
Lot size 1.94 Acres
Property subtype Office
Zoning GC

Site & Location

Traffic Count 10,300 vehicles/day
Highway Access Yes

Additional Details

Sprinkler System Yes

Building Details

Year Built 1999
Stories 2
Listing Agency: Trinity Partners | Columbia
Listed By: Nick Stomski, SIOR
Source: Trinity-partners
Added: Jun 3 Changed: Jul 10 Last Checked: Aug 5 at 5:24AM

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 Trinity Partners | Columbia

Investment Insights

Based on property information with market context.

This freestanding office building offers approximately 16,625 square feet across two floors, serviced by an elevator. The layout is designed for professional use, with each floor featuring executive offices, conference rooms, open workspace, a breakroom, and restrooms. There is also an additional 8,312 square feet of third-floor unfinished space, which may be suited for expansion depending on a tenant or buyer’s plans. Built in 1999, the property includes 100% sprinkler coverage, and an occupancy load noted at 166 people.

The building sits on 1.94 acres and is located at a signalized interchange between Trenholm Road Extension and Oakcrest Drive, providing direct access to a high-visibility road connection. Parking is available on site with 83 spaces, and additional parking may be possible. The property is zoned GC (General Commercial) and is located in Richland County.

For tenants or owner-users, the configuration supports a traditional office environment with common reception at the main entrance and covered and surface parking. For buyers considering customization, the presence of an unfinished third floor provides an on-site pathway to expand beyond the existing two-floor office setup without relocating operations.

Key Highlights

  • 16,625 SF freestanding office building on two floors, built in 1999 and serviced by an elevator
  • Includes 8,312 SF unfinished third‑floor space for possible expansion
  • Two floors feature executive offices, conference rooms, open workspace, breakrooms, and restrooms

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 $319.2k $19.20
− Vacancy −$55.9k −$3.36
EGI $263.3k $15.84
− OpEx −$65.8k −$3.96
NOI $197.5k $11.88
16,625 SF · lease $19.20/SF/yr · vacancy 17.50% · expense 25.00%

Alternative Uses

Best Use
Office B
$2.82M
$2.47M – $3.29M (±1% cap)
NOI $197,505 @ 7.0% cap · market cap 8.59%
Second Best
no second resolved use
Theoretical Best
Office A
$4.09M
$3.58M – $4.78M (±1% cap)
NOI $286,562 @ 7.0% cap · market cap 12.46%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

CAHEC Management Inc. Property Management Company

Suggested Use

Top Pick Auto Parts Store Law Firm Parking Lot & Garage HVAC Service Electrical Service Restaurant

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

Lease Details

10,300 VPD
Traffic count
Yes
Sprinkler system
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

706
Businesses Nearby

Demographics for 29223, SC

52,477
Population
24,142
Households
2.2
Avg Household Size
39
Median Age
36%
College-Educated
90%
High-School Grad
25.3 sq mi
ZIP Area
2,074
Density / Sq Mi
$56,300
Median Household Income
$37,435
Median Earnings
$1,217
Median Rent
$183,800
Median Home Value

Market

Vacancy Rate% for Office in Columbia, SC

18.6% 2020
11.6% 2021
9.7% 2022
7.4% 2023
7.9% 2024
7.9% 2025
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Frequently Asked Questions

What type of property is this?
Office building - Two-story office building with elevator service, plus unfinished third-floor space for future growth options.
Where is this office building located?
The property is located at 7700 Trenholm Road Ext Columbia, SC.
What is the asking price?
The asking price for this property is $2,300,000.
What are key features of this property?
This property features: 16,625 SF freestanding office building on two floors, built in 1999 and serviced by an elevator; Includes 8,312 SF unfinished third‑floor space for possible expansion; Two floors feature executive offices, conference rooms, open workspace, breakrooms, and restrooms
More about this property
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