Office Building with Highway
16870 N Highway 123, San Marcos, TX 78666
For Sale
$550,000
CommercialSale, San Marcos, TX
Property Size2,000 SF
Lot Size0.43 Acres
Price / SF$275
Days on Market132
Property Features for 16870 N Highway 123
General Information
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Parking features
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Elementary school
Middle school
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Directions
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APN
Size
Lot size
Additional Details
Property Use
Condition
Taxes and HOA fees
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Utilities
Utilities
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Building Details
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Buildings
Listing Agency:
Sundance Homes & Realty
Listed By:
Thomas Yankovoy · License TX #0298005
(512) 450-4373
Added: Jul 5
Changed: Nov 10
Last Checked: Nov 13 at 10:06PM
MLS# 618724
Copyright © 2026 Central Texas Multiple Listing Service. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
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Investment Insights
Based on property information with market context.
This office property includes a 2,000-square-foot building arranged with three rooms, one full-size kitchen, and two bathrooms. The improvements include carpet and tile flooring, central heating and air conditioning, an asphalt parking area, a separate storage building, a rear garden or patio area, and two separate A/C units. An existing MH/RV space with utility hookups is located behind the building. Construction materials include masonry, stucco, and wood siding, with a metal roof. The property was built in 1975 and includes an accessible approach with ramp.
The 0.428-acre site is at 16870 N Highway 123 in San Marcos, within Guadalupe County and the San Marcos ETJ. A large highway display sign provides roadside identification, while the surrounding corridor records a stated traffic count of 16,000+ vehicles per day. Bluebonnet Electric and Crystal Clear Water serve the property; water is public, and sewer service includes public sewer and a septic tank.
The 0.428-acre site is at 16870 N Highway 123 in San Marcos, within Guadalupe County and the San Marcos ETJ. A large highway display sign provides roadside identification, while the surrounding corridor records a stated traffic count of 16,000+ vehicles per day. Bluebonnet Electric and Crystal Clear Water serve the property; water is public, and sewer service includes public sewer and a septic tank.
Key Highlights
- 2,000 SF office building with 3 rooms, 1 full‑size kitchen, and 2 bathrooms
- 0.428‑acre site at 16870 N Highway 123, San Marcos, TX 78666
- 16,000+ vehicle traffic count per day on Highway 123
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$47,691
Cap Rate
8.67%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$953,820
$953.8K
Cap Rate 7%
$681,300
$681.3K
Cap Rate 9%
$529,900
$529.9K
Market Conditions
NOI Build-Up for 2,000 SF
Gross rent
$84.0K $42.00/SF
− Vacancy
−$20.4K −$10.21/SF
EGI
$63.6K $31.79/SF
− OpEx
−$15.9K −$7.95/SF
NOI
$47.7K $23.85/SF
Area
Hays County, TX
Vacancy
24.30%
Lease Rate
$42.00 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$953,820
Cap Rate 7%
$681,300
Cap Rate 9%
$529,900
Alternative Uses
Best Use
Office B
$681.3K
$596.1K – $794.9K
NOI $47,691 @ 7.0% cap · market cap 8.67%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$783.7K
$685.8K – $914.4K
NOI $54,861 @ 7.0% cap · market cap 9.97%
Zoning and permitted uses should be independently verified with authorities.
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Property Analytics
Who owns this building?
See the owner, sales and loan history
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Current Use
Lease Details
Yes
Highway access
Yes
Paved road access
Yes
Utilities to site
Location Intelligence
Trade Area within ½ mile
55
Businesses Nearby
Explore this area
Business Placement
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
$271,900
Median Home Value
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Market
Average Price Trend$/SF for Office buildings in Hays County, TX
Properties on Market for Office buildings in Hays County
Vacancy Rate% for Office in South region
Frequently Asked Questions
What type of property is this?
Office building - Existing office improvements include a kitchen, two bathrooms, a storage building, parking, and rear utility hookups.
Where is this office building located?
The property is located at 16870 N 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 office building with 3 rooms, 1 full‑size kitchen, and 2 bathrooms; 0.428‑acre site at 16870 N Highway 123, San Marcos, TX 78666; 16,000+ vehicle traffic count per day on Highway 123
