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Multi-Story Office Building
For Sale
$2,650,000

300-330 Wonder World Dr, San Marcos, TX 78666

Class A office building with three levels, elevator service, and multiple balcony spaces.

Property Size7,783 SF
Price / SF$340.49
Days on Market449

Property Features for 300-330 Wonder World Dr

General Information

Standard status Active
Size 7,783 SF
Class A
Total Parking Spaces 33

Additional Details

Highway Access Yes

Building Details

Year Built 2020
Stories 3
Listing Agency: Jenny Frisbie, BROKER
Listed By: Jenny Frisbie · License #0471567
Source: Exprealty
Added: May 13, 2025 Changed: Jul 10 Last Checked: Jul 31 at 2:09PM

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 Jenny Frisbie, BROKER

Investment Insights

Based on property information with market context.

Constructed in 2020, this Class A office building offers approximately 7,783 square feet across three levels, with multiple balconies and an elevator or stairs servicing each floor. The first and second floors combine individual offices with conference and/or open area space, along with kitchen or break areas and men’s and women’s restrooms. The third floor includes a common area and two large offices, each with its own bathroom. Building and road signage space is available, and landscaping is supported by a sprinkler system.

The property is located about one-half mile from IH 35 and positioned in the center of a quickly growing San Marcos area. A total of 33 parking spaces supports on-site vehicle access for tenants and visitors.

This building is well suited for professional users seeking a Class A office environment with dedicated office configurations on multiple floors. With restrooms and kitchen or break areas distributed through the layout, it can accommodate a range of team sizes and meeting needs, while the third floor’s larger offices and suite-style setup may appeal to management or department-specific space requirements.

Key Highlights

  • 7,783 SF Class A office space across three levels with elevator service and stairs to each floor
  • Building constructed in 2020 with multiple balcony spaces
  • First and second floors feature a mix of individual offices, conference/open area space, kitchen/break areas, and men’s/women’s 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 $326.9k $42.00
− Vacancy −$79.4k −$10.21
EGI $247.5k $31.79
− OpEx −$61.9k −$7.95
NOI $185.6k $23.85
7,783 SF · lease $42.00/SF/yr · vacancy 24.30% · expense 25.00%

Alternative Uses

Best Use
Office B
$2.65M
$2.32M – $3.09M (±1% cap)
NOI $185,590 @ 7.0% cap · market cap 7.00%
Second Best
no second resolved use
Theoretical Best
Office A
$3.25M
$2.85M – $3.80M (±1% cap)
NOI $227,744 @ 7.0% cap · market cap 8.59%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Office buildings

Suggested Use

Top Pick Law Firm Building Supply Kitchen & Bath Showroom Big Box & Wholesale Store HVAC Service Hair Salon

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

Yes
Highway access

Location Intelligence

Trade Area within ½ mile

739
Businesses Nearby

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?
Office building - Class A office building with three levels, elevator service, and multiple balcony spaces.
Where is this office building located?
The property is located at 300-330 Wonder World Dr San Marcos, TX.
What is the asking price?
The asking price for this property is $2,650,000.
What are key features of this property?
This property features: 7,783 SF Class A office space across three levels with elevator service and stairs to each floor; Building constructed in 2020 with multiple balcony spaces; First and second floors feature a mix of individual offices, conference/open area space, kitchen/break areas, and men’s/women’s restrooms
More about this property
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