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Highway-Front Flex Space
For Sale
$550,000

16870 N State Highway 123, San Marcos, TX 78666

Standalone commercial building with office-style rooms, kitchen, bathrooms, storage, parking, and rear utility hookups.

Property Size2,000 SF
Lot Size0.43 Acres
Price / SF$275
Days on Market31

Property Features for 16870 N State Highway 123

General Information

Standard status Active
Size 2,000 SF
Lot size 0.43 Acres
Property subtype Commercial

Site & Location

Pylon Signage Yes
Traffic Count 16,000 vehicles/day
Highway Access Yes
Road Access Yes
Utilities to Site Yes

Amenities

utility hookups
asphalt parking lot
rear garden/patio area

Building Details

Building Size 2,000 SF
Year Built 1975
Buildings 3
Listing Agency: Sundance Homes & Realty
Listed By: Thomas Yankovoy · License #0298005
Source: Buttross
Added: Jul 5 Changed: Aug 3 Last Checked: Aug 3 at 4:49AM

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 Sundance Homes & Realty

Investment Insights

Based on property information with market context.

This 2,000-square-foot flex property sits on 0.43 acres and includes a 1975 building configured with three rooms, one full-size kitchen, and two bathrooms. The site also provides an asphalt parking area, a separate large storage building, a highway display sign, rear garden or patio space, two separate A/C units, and an existing MH/RV space with utility hookups.

Located at 16870 N State Highway 123 in San Marcos, the property is in Guadalupe County and the San Marcos ETJ. The highway corridor is reported at more than 16,000 vehicles per day. Bluebonnet Electric and Crystal Clear Water serve the property, and it is positioned at the entrance to the Sedona South master planned residential community, a 541-acre project planned for 3,000 homes along with 100 acres of commercial and multifamily development.

Key Highlights

  • 2,000 SF building on 0.43 acres
  • Three rooms, one full‑size kitchen, and two bathrooms
  • Existing MH/RV space with utility hookups

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 $84.0k $42.00
− Vacancy −$20.4k −$10.21
EGI $63.6k $31.79
− OpEx −$15.9k −$7.95
NOI $47.7k $23.85
2,000 SF · lease $42.00/SF/yr · vacancy 24.30% · expense 25.00%

Alternative Uses

Best Use
Office B
$681.3K
$596.1K – $794.9K (±1% cap)
NOI $47,691 @ 7.0% cap · market cap 8.67%
Second Best
Retail
$503.1K
$440.2K – $586.9K (±1% cap)
NOI $35,216 @ 7.0% cap · market cap 6.40%
Theoretical Best
Office A
$836.1K
$731.6K – $975.4K (±1% cap)
NOI $58,524 @ 7.0% cap · market cap 10.64%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Flex space

Suggested Use

Top Pick Building Supply Real Estate Agency Big Box & Wholesale Store Locksmith Grocery & Convenience Store (Bike/Boat/Book/etc) Store

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

16,000 VPD
Traffic count
Yes
Highway access
Yes
Paved road access
Yes
Utilities to site

Location Intelligence

Trade Area within ½ mile

55
Businesses Nearby
Well-served
Demand for This Use

Demographics for 78666, TX

86,584
Population
36,354
Households
2.4
Avg Household Size
27
Median Age
35%
College-Educated
89%
High-School Grad
192.4 sq mi
ZIP Area
450
Density / Sq Mi
$55,478
Median Household Income
$25,890
Median Earnings
$1,294
Median Rent
$271,900
Median Home Value

Market

Vacancy Rate% for Office in South region

14.4% 2019
16.4% 2020
17.3% 2021
18% 2022
18.6% 2023
20.3% 2024
20.2% 2025
Rey
Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Flex space - Standalone commercial building with office-style rooms, kitchen, bathrooms, storage, parking, and rear utility hookups.
Where is this flex space located?
The property is located at 16870 N State Highway 123 San Marcos, TX.
What is the asking price?
The asking price for this property is $550,000.
What are key features of this property?
This property features: 2,000 SF building on 0.43 acres; Three rooms, one full‑size kitchen, and two bathrooms; Existing MH/RV space with utility hookups
More about this property
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