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Verified property facts
3421 Longhorn Trl is listed at $410,000 with 4 bedrooms, 2 full, 1 half bathrooms, 2,852 square feet, 0.16-acre lot.
3421 Longhorn Trl is zoned for Round Rock ISD with assigned schools: Union Hill (elementary), Hopewell (middle), Stony Point (high). School assignments should be verified directly with the district.
3421 Longhorn Trl is a Residential built in 2004 featuring 4 bedrooms, 2 full, 1 half bathrooms, 2,852 square feet, 0.16-acre lot.
3421 Longhorn Trl 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.
With 20% down ($82,000) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 3421 Longhorn Trl is around $2,879 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
Listed with current price, original ask, and market time.
Beautifully updated 2-story home in the desirable Eagle Ridge community of Round Rock. This was spacious 4-bedroom, 2.5-bath home offers 2,852 square feet of well-designed living space with multiple living and dining areas, perfect for both entertaining and everyday living. The home features an open layout with abundant natural light, a cozy fireplace in the family room, and a functional kitchen with breakfast bar and ample cabinet space. Upstairs, all bedrooms are generously sized, including a large primary suite with a walk-in closet and ensuite bath featuring a soaking tub, separate shower, and dual vanities. Step outside to a large backyard with mature trees and an expansive wooden deck, ideal for outdoor gatherings, relaxing evenings, or weekend BBQs. The property also includes a covered patio and plenty of yard space for recreation. Additional highlights include a 2-car garage, laundry room on the main level, updated features. Conveniently located near major roads, shopping, dining, and within Round Rock ISD.
Property Type
Residential
Year Built
2004
Lot Size
0.16 acres
$/Sq Ft
$144
HOA
$280/mo
Garage
4 spaces
Listed by Augustin Tobas, Broker
Property Details
Features
Appliances
Flooring
Features
Construction
Lot Features
Fencing
Foundation
Patio / Porch
Parking
Public record data from county appraisal records. Market value can differ from assessed value.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2026 | — | $395,610 | $74,500 | $321,110 |

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% ($82K)
$410,000
Luxury property intelligence
A sourced read on Eagle Ridge Sec 14 Ph 3 (lts 4-14 B pricing, timing, and property scale. No automated valuation claim.
List price
$410,000
Price per sqft
$144/sqft
Vs. Eagle Ridge Sec 14 Ph 3 (lts 4-14 B median
Not available
Days on market
24 days
Original to current
No verified reduction
$410K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of May 6, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
At $410,000, 3421 Longhorn Trl is in the Eagle Ridge Sec 14 Ph 3 (lts 4-14 B market where there are currently 211 active listings in 78665. The Keenan Group has completed 9 transactions in 78665 as part of 1,000+ career sales totaling $1B+ across Austin.
3421 Longhorn Trl is part of a managed community with HOA dues of $280 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.
2 events on record
Current Price
$410,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2026 | — | $395,610 | $74,500 | $321,110 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
Best Match
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Recent sales for market context