Versatile Hill Country Investment Property with Dual Income & Expansion Potential 110 Roadrunner Rd, San Marcos, TX 78666 This +/-3.5-acre multi-unit property offers a rare opportunity to secure immediate income with future upside in the scenic Hill Country near San Marcos. Located just minutes from downtown, Texas State University, and the San Marcos River, it delivers peaceful surroundings with high rental demand and proximity to area amenities. Currently Leased Units with Income Listed as a “Duplex” in MLS for input purposes only — this property consists of two detached homes with separate layouts and utilities. • Unit A: +/-930 SF | 3BR/1BA with solar panels, propane generator, septic, and private well—fully self-sufficient and leased. • Unit B: +/-703 SF | 2BR/1BA with large covered porch and in-unit laundry, also leased. • Each unit has its own storage shed (8'x10' and 10'x12'). Investment Highlights • Monthly Gross Rent: $2,550 ($1,175 + $1,375) • Estimated NOI aligns with investor benchmarks and recent comps. • Both homes are leased, generating immediate cash flow. • Pricing reflects a balance between income performance and market value, offering flexibility to both investors and owner-occupants. Expansion Opportunity • Cleared land with RV hookups. • Ideal for adding 1–2 more homes or income-producing units to boost returns. Whether you’re growing a portfolio or seeking a hybrid live-and-lease setup, this property offers location, versatility, and value in one of the most accessible Hill Country corridors between Austin and San Antonio.
Active
$382,000
110 Roadrunner Rd #A & B, San Marcos, TX 78666
5beds
2baths
1,633sqft
Est.:
Duplex
Built in 2018
-- sqft lot
$-- Zestimate®
$234/sqft
$8/mo HOA
What's special
Propane generatorLarge covered porchRv hookupsSolar panelsIn-unit laundryPrivate well
- 54 days |
- 658 |
- 57 |
Zillow last checked: 8 hours ago
Listing updated: November 04, 2025 at 02:01am
Listed by:
Bob Springer (512) 682-1000,
Commercial Industrial Properti (512) 682-1000
Source: Unlock MLS,MLS#: 6833093
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 2
Rooms
- Room types: Master Bedroom, Bedroom, Bathroom, Kitchen, Living Room
Heating
- Central, Heat Pump, Zoned
Cooling
- Central Air, Zoned
Appliances
- Included: Dishwasher, Electric Cooktop, Electric Range, Exhaust Fan, Electric Oven, Refrigerator, Trash Compactor, Washer/Dryer Stacked, Electric Water Heater, Water Purifier Owned
Features
- Ceiling Fan(s), Electric Dryer Hookup, Primary Bedroom on Main
- Flooring: Wood
- Windows: Vinyl Windows
Interior area
- Total interior livable area: 1,633 sqft
Property
Parking
- Parking features: Additional Parking, See Remarks
Accessibility
- Accessibility features: None
Features
- Levels: One
- Stories: 1
- Patio & porch: Covered, Deck
- Exterior features: Exterior Steps, Gutters Full, RV Hookup, Satellite Dish Owned
- Pool features: None
- Fencing: Perimeter
- Has view: Yes
- View description: None
- Waterfront features: None
Lot
- Size: 3.51 Acres
- Features: Cleared, Corner Lot, Gentle Sloping
Details
- Additional structures: None
- Parcel number: 1171900000009002
- Special conditions: See Remarks
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Duplex
Materials
- Foundation: Pillar/Post/Pier
- Roof: Metal
Condition
- Resale
- New construction: No
- Year built: 2018
Utilities & green energy
- Sewer: Septic Tank
- Water: Well
- Utilities for property: Cable Connected, Electricity Connected, Internet-Cable, Propane, See Remarks
Community & HOA
Community
- Features: None
- Subdivision: Rocky Ranch Acres Sec 2
HOA
- Has HOA: No
- HOA fee: $100 annually
- HOA name: Annual Road Maintenance Fee
Location
- Region: San Marcos
Financial & listing details
- Price per square foot: $234/sqft
- Annual tax amount: $5,291
- Date on market: 11/3/2025
- Listing terms: Cash,Conventional,FHA,FMHA (Fannie Mae),SBA Type Loan,Texas Vet,USDA Loan,VA Loan
- Electric utility on property: Yes
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 11/3/2025 | Listed for sale | $382,000-16.8%$234/sqft |
Source:  Unlock MLS #6833093 Report a problem | ||
| 8/1/2025 | Listing removed | $459,000$281/sqft |
Source: Unlock MLS #1367758 Report a problem | ||
| 3/27/2025 | Price change | $459,000-2.3%$281/sqft |
Source: Unlock MLS #1367758 Report a problem | ||
| 1/17/2025 | Listed for sale | $469,999$288/sqft |
Source: Unlock MLS #1367758 Report a problem | ||
Public tax history
Public tax history
Tax history is unavailable.BuyAbility℠ payment
Est. payment
$2,474/mo
Principal & interest
$1842
Property taxes
$490
Other costs
$142
Climate risks
Neighborhood: 78666
Nearby schools
GreatSchools rating
- 8/10Blanco Vista Elementary SchoolGrades: PK-5Distance: 4.1 mi
- 6/10Laura B Wallace Middle SchoolGrades: 6-8Distance: 4.8 mi
- 6/10Jack C Hays High SchoolGrades: 9-12Distance: 6.6 mi
Schools provided by the listing agent
- Elementary: Rodriguez (San Marcos ISD)
- Middle: Miller
- High: San Marcos
- District: SanMarcosCONSISD
Source: Unlock MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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