#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024
New price - motivated seller. This modern ranch on 1.5 private acres in Appaloosa Run offers Hill Country privacy just minutes from SH 45 and MoPac — 20 minutes to downtown Austin. 4 bedrooms, 3.5 baths, dedicated office, flex space, and 3-car garage, plus an attached 1 bedroom, 1 bathroom casita with kitchenette and private entrance — ideal for guests, multigenerational living, or income potential. Soaring ceilings, a floor-to-ceiling fireplace, and 10-ft sliding glass doors connect the main living area to the pool and outdoor entertaining spaces. The kitchen features Italian Calacatta Monet marble, a commercial gas range, and butler's pantry, with a sink overlooking a lush interior atrium. The primary suite is a true retreat with a spa-inspired bath and boutique hotel-style finishes. Mature trees, native wildlife, and an existing well round out this rare acreage offering. Zoned to Baldwin Elementary, Gorzycki Middle, and Bowie High. Schedule your showing today.
Property Type
Residential
Year Built
2026
Lot Size
1.50 acres
$/Sq Ft
$678
HOA
$25/mo
Garage
3 spaces
Pool
Yes
Listed by RealTech Realty, LLC
Verified property facts
12104 Trailmaster DR is listed at $2,390,000 with 5 bedrooms, 4 full, 1 half bathrooms, 3,527 square feet, 1.50-acre lot. This places it above the 78737 median of $858,000.
12104 Trailmaster DR is zoned for Austin ISD with assigned schools: Baldwin (elementary), Gorzycki (middle), Bowie (high). School assignments should be verified directly with the district.
12104 Trailmaster DR is a Residential built in 2026 featuring 5 bedrooms, 4 full, 1 half bathrooms, 3,527 square feet, 1.50-acre lot.
12104 Trailmaster DR is presented by the Keenan Group at Compass Real Estate, the #1 Austin Board of Realtors Team (2024) with 1,000+ career transactions and $1B+ in career volume across Austin's luxury market.
The most recent annual property tax for 12104 Trailmaster DR is $5,711. Texas has no state income tax, so property taxes are a primary revenue source. Rates vary by jurisdiction and exemptions. Verify current amounts with the county appraisal district.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
Property Details
Features
Appliances
Flooring
Features
Construction
Lot Features
Fencing
Foundation
Patio / Porch
Parking
Waterfront
Price Change with current price, original ask, and market time.
Public record data from county appraisal records. Market value can differ from assessed value.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-12.0% | — | $519,206 | — | — |
2024+3.6% | — | $589,697 | $300,000 | $216,834 |
2023+42.5% | — | $569,003 | $300,000 | $289,697 |
2022 | — | $399,260 | $300,000 | $269,003 |
Zoned assignments come from the property school fields available to us. District context schools are shown only when an assigned tier is missing. Contact the school district directly to verify current boundaries and enrollment eligibility. Ratings from GreatSchools.org.
20% ($478K)
$2,390,000
Luxury property intelligence
A sourced read on Appaloosa Run pricing, timing, and property scale. No automated valuation claim.
List price
$2,390,000
Price per sqft
$678/sqft
Vs. Appaloosa Run median
Not available
Days on market
61 days
Original to current
$100K reduction
$2.5M original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Aug 2, 2026.
Request Private Market AnalysisZIP-level neighborhoods, schools, lifestyle, and Austin market context
District guide, nearby schools, and homes by attendance area
Private Austin CMA, TCAD context, and pricing strategy
Pricing, prep, launch timing, and Compass marketing strategy
#1 ABOR Team 2024 with $1B+ career sales volume
With 20% down ($478,000) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 12104 Trailmaster DR is around $12,877 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
At $2,390,000, 12104 Trailmaster DR is in the Appaloosa Run market where there are currently 98 active listings in 78737. The Keenan Group has completed 16 transactions in 78737 as part of 1,000+ career sales totaling $1B+ across Austin.
12104 Trailmaster DR includes verified waterfront access: None. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
12104 Trailmaster DR sits on a 1.50-acre lot, providing substantial outdoor living space. Properties of this scale in Austin's luxury market typically feature pool areas, outdoor kitchens, and mature landscaping. Confirm specific amenities with the listing agent.
12104 Trailmaster DR is part of a managed community with HOA dues of $25 annually. HOA-managed communities in Austin's luxury market typically provide amenities such as common areas, security, and exterior maintenance. Verify current dues and rules with the HOA directly.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
Car-Dependent
N/A
Somewhat Bikeable
Walk Score measures walkability based on distance to amenities. Transit Score measures public transportation access. Bike Score measures bikeability based on bike infrastructure and terrain.
9 events on record
Current Price
$2,390,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-12.0% | — | $519,206 | — | — |
2024+3.6% | — | $589,697 | $300,000 | $216,834 |
2023+42.5% | — | $569,003 | $300,000 | $289,697 |
2022 | — | $399,260 | $300,000 | $269,003 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
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