12104 Trailmaster DR, Austin TX 78737

Austin, TX 78737 | Appaloosa Run | Built by IW Design Build

$2,490,000 $706/sqft
5 Beds
5 Baths 4 Full, 1 Half
3,527 Sq Ft
1.5 Acres
2026 Built
3 Garage

About This Property

*Open House: Wednesday 6/17 4:30 - 6:30pm* The Trailmaster House is a newly constructed modern ranch set on 1.5 private acres in Southwest Austin, blending striking architecture with warm, livable luxury. Designed to connect refined interiors with the surrounding landscape, the home is filled with natural light and a calm, intentional flow.

The main residence features 4 bedrooms, 3.5 bathrooms, a dedicated office, flexible bonus space, and a three-car garage. An attached private casita includes a full bedroom and bath, kitchenette, and separate entrance, ideal for guests, multigenerational living, or a private workspace.

Inside, soaring ceilings in the living room and primary suite create an immediate sense of openness. A stunning floor-to-ceiling fireplace anchors the main living area, while oversized 10 ft sliding glass doors connect the interior to the pool and outdoor living spaces.

The kitchen features Italian Calacatta Monet marble countertops, a 48-inch gas range and double oven, custom cabinetry, and a clean architectural aesthetic. The sink overlooks an atrium, creating a unique indoor-outdoor experience. A spacious butler’s pantry provides additional storage and prep space.

The primary suite offers a private retreat with dramatic ceiling height and a spa-inspired bath featuring floor-to-ceiling tilework.

Set on a fully usable 1.5-acre lot, the property offers exceptional privacy and a peaceful retreat-like setting. Deer, foxes, and other native wildlife are frequent visitors. An existing well on site provides future potential for irrigation or water development, subject to buyer verification. Outside, enjoy a resort-style pool, outdoor shower, and expansive grounds.

Located just 15 minutes from downtown Austin and zoned to Baldwin Elementary, Gorzycki Middle School, and Bowie High School. The Trailmaster House is a rare combination of new construction with 1.5 usable acres in a location just minutes from downtown Austin.

Property Highlights

Pool In Ground

Features

  • Bookcases
  • Built-in Features
  • Ceiling Fan(s)
  • High Ceilings
  • Vaulted Ceiling(s)
  • Quartz Counters
  • Stone Counters
  • Double Vanity
  • Electric Dryer Hookup
  • Entrance Foyer
  • In-Law Floorplan
  • Kitchen Island
  • Multiple Living Areas
  • No Interior Steps
  • Open Floorplan
  • Pantry
  • Primary Bedroom on Main
  • Recessed Lighting
  • Soaking Tub
  • Walk-In Closet(s)
  • Washer Hookup

Location

Schools

School District Austin ISD
Elementary Baldwin
Middle School Gorzycki
High School Bowie

Property Details

New Construction by IW Design Build
Property Type Residential
Flooring Tile, Wood
Cooling Ceiling Fan(s)
Heating Electric
Exterior No Exterior Steps, Private Entrance, Private Yard
County Travis
MLS # 7829180
Garage 3 spaces

HOA & Community

HOA Fee $25 /Annually
HOA Includes See Remarks

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* Estimate only. Does not include HOA fees, PMI, or other costs.
This property has HOA fees of $25/annually.

Tax Information

Annual Taxes (MLS) $5,711 (2025)

Listing History

MLS# 7829180 - Updated Jun 17, 2026 6 days
Jun 2, 2026 Listed Listing Courtesy of RealTech Realty, LLC - jill@​real-tech.com $2,490,000

Frequently Asked Questions About 12104 Trailmaster DR, Austin TX 78737

When was 12104 Trailmaster DR, Austin TX 78737 built?

12104 Trailmaster DR, Austin TX 78737 was built in 2026.

How much does 12104 Trailmaster DR, Austin TX 78737 cost?

12104 Trailmaster DR, Austin TX 78737 is listed for sale at $2,490,000. That is $706 per square foot.

How many bedrooms and bathrooms does 12104 Trailmaster DR, Austin TX 78737 have?

12104 Trailmaster DR, Austin TX 78737 has 5 bedrooms and 5 bathrooms (4 full, 1 half) with 3,527 square feet of living space.

What school district is 12104 Trailmaster DR, Austin TX 78737 in?

12104 Trailmaster DR, Austin TX 78737 is in the Austin ISD school district. Assigned schools include Baldwin (elementary), Gorzycki (middle), Bowie (high school).

Does 12104 Trailmaster DR, Austin TX 78737 have an HOA?

Yes, 12104 Trailmaster DR, Austin TX 78737 has an HOA fee of $25 per annually. The HOA includes see remarks.

What are the property taxes on 12104 Trailmaster DR, Austin TX 78737?

The annual property taxes on 12104 Trailmaster DR, Austin TX 78737 are $5,711 (as of 2025).

How big is the lot at 12104 Trailmaster DR, Austin TX 78737?

The lot at 12104 Trailmaster DR, Austin TX 78737 is 1.5 acres, and the home has 3,527 square feet of living space.

What type of property is 12104 Trailmaster DR, Austin TX 78737?

12104 Trailmaster DR, Austin TX 78737 is a residential property.

Does 12104 Trailmaster DR, Austin TX 78737 have a garage?

Yes, 12104 Trailmaster DR, Austin TX 78737 has a 3-car garage.

Does 12104 Trailmaster DR, Austin TX 78737 have a pool?

Yes, 12104 Trailmaster DR, Austin TX 78737 has a pool. Pool features include in ground.

What subdivision is 12104 Trailmaster DR, Austin TX 78737 in?

12104 Trailmaster DR, Austin TX 78737 is located in the Appaloosa Run subdivision in Austin, TX.

How long was 12104 Trailmaster DR, Austin TX 78737 on the market?

12104 Trailmaster DR, Austin TX 78737 was on the market for 6 days, listed on June 2, 2026.

What heating and cooling does 12104 Trailmaster DR, Austin TX 78737 have?

12104 Trailmaster DR, Austin TX 78737 has electric heating and ceiling fan(s) cooling.

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