3424 S OLD BASTROP HIGHWAY, SAN MARCOS, TX 78666
Homes for sale in San Marcos.
Homes for sale in 78666.
List Price$1,499,999
3424 S Old Bastrop Highway
San Marcos, TX 78666
Listing #3812960
7,065
Square Feet
3
Number of Units
Multi-Unit Residential
Type
About This Property
This expansive 10+ acre property includes multiple residences and a workshop. House and rooms are labeled on top right of the pictures. ---- Main Home (3424 B): The primary residence features two living areas, a formal dining room, a breakfast nook, a sunroom, and a covered patio. Additional highlights include a spacious three-car garage, three bedrooms, two bathrooms, and an office/flex space. ---- House C (located directly behind the main home): This home offers a covered patio, a large living area, a shared kitchen and dining space with a small laundry space. It includes three bedrooms and two bathrooms. ---- House D (newest home, located on the far right side of the property): Designed with a welcoming foyer, this home opens into a centrally located living room. It also features a dining area, kitchen, laundry room with access to a two-car garage, and a covered patio. The layout includes three bedrooms, three full bathrooms, and one half bath. ---- Workshop: A versatile two-room workshop with its own covered patio. The asphalt slab has an RV connection with water, power and septic to support 2 RVs. ---- Property notes: Each home has it's own fiber internet line, and the back 8 acres are under AG exemption. ---- Appliances: Dishwasher, Free-Standing Gas Range, Gas Water Heater, Microwave, Stainless Steel Appliance(s) All appliances are electric. Water/Heating/AC is electric as well, with option to move to gas but not currently using gas, Interior Features: Crown Molding, Open Floorplan, Pantry, Workshop, Parking Features: Asphalt, Attached, View: Panoramic, Rural, Water Source: Public, Tax Rate: 1.52, Unit 1Furnished: Unfurnished, Unit 2Furnished: Unfurnished, Unit 3Furnished: Unfurnished
Property Features
Location Information
County
Hays
Subdivision
None
County
Hays
Directions
From Austin: South on IH-35. Exit 201. Turn Left on E McCarty Ln. Slight Right on Rattler Rd. Right on Old Bastrop Rd. Property on Right.
Area
CM
Interior Features
Interior
Breakfast Bar, Ceiling Fan(s), Chandelier, Crown Molding, High Speed Internet, Main Level Primary, Open Floorplan, Pantry, Workshop
Floors
Carpet, Tile
Primary Bedroom On Main
Yes
Laundry
Laundry Room, Washer Hookup, Dryer Hookup, ElectricDryer Hookup
Has Fireplace
Yes
Disabled Features
None
Number of Fireplaces
1
Appliances
Dishwasher, Free-Standing Gas Range, Gas Water Heater, Microwave, Stainless Steel Appliance(s)
Fireplace Description
Gas Log, Living Room
Total Number of Units
3
Heating
Central, Propane
Accessibility
None
Exterior Features
Style
Brick, HardiPlank Type, Concrete
Garage Spaces
5
Stories
1
Fencing
Barbed Wire, Chain Link
Is New Construction
No
Lot Size in Acres
10.171
Construction/Exterior
Brick, HardiPlank Type, Concrete
Waterfront Description
None
Exterior
RV Hookup
Has Waterfront
No
Foundation
Slab
Has View
Yes
Water / Sewer
Septic Tank
View
Panoramic, Rural
Water
Public
Is One Story
Yes
Parking Description
Asphalt, Attached, Circular Driveway, Concrete, Driveway, Garage Faces Front, Garage, Garage Faces Side
School
Elementary School District
SanMarcosCONSISD
Middle School
Miller
Elementary School
Rodriguez (San Marcos ISD)
High School
San Marcos
Additional Information
Roof/Attic
Composition, Shingle
APN
1004740014000003
Other Utilities
Electricity Available, Electricity Connected, Propane, Phone Available, Water Connected
Status
Active
Property Type
RI
Pets
Yes
Property SubType
Triplex
Documents Available
Aerial, Easements
Year Built
2001
Square Feet Source
Public Records
Similar Listings
Mortgage Calculator
$7,003
per month
30 Year Fixed. 3.52% Interest Rate.
Principal + Interest
$5,405
Monthly Tax
$1,249
Monthly Insurance
$349
yrs
%
$
$
Based on a fully amortized fixed rate loan. Ask your agent for the tax rates in your area. Insurance estimate is based on an average cost, your final premium cost will be determined by the type of coverage you select. This program only provides an estimate.
Schools
Walk Score
Listing Courtesy of: eXp Realty (210) 624-1990
© 2026 Austin Board of REALTORS® (ACTRIS). All rights reserved.
Listings courtesy of APPLICABLE MLS as distributed by MLSGRID. Based on information submitted to the MLS GRID as of 2026. All data is obtained from various sources and may not have been verified by the broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. All information provided is deemed reliable but is not guaranteed and should be independently verified. The Austin Board of REALTORS® ACTRIS and their affiliates provide the MLS and all content therein " AS IS" and without any warranty, express or implied. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Based on information from ACTRIS through the date and time shown below.
Unlock MLS data last updated at June 6, 2026, 7:53 PM CT
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