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Verified property facts
21401 Patton Ave is listed at $375,000 with 0 bedrooms, 1,945 square feet, 0.24-acre lot.
21401 Patton Ave is zoned for Lago Vista ISD with assigned schools: Lago Vista (elementary), Lago Vista (middle), Lago Vista (high). School assignments should be verified directly with the district.
21401 Patton Ave is a Residential Income built in 1984 featuring 0 bedrooms, 1,945 square feet, 0.24-acre lot.
21401 Patton Ave 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 21401 Patton Ave is $8,902. 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
Listing timeline with current price, original ask, and market time.
Hill country 2 unit investment property located in Lago Vista within 5 minutes to Lake Travis! Both units have two bedrooms, two bathrooms, full size washer and dryer connections, refrigerators, and both have a 2 car detached garage. Both unit's will automatically roll into a Month to Month lease to provide owner occupy and option to re-assess rents! Unit A was remodeled in early 2023 with all new vinyl plank flooring, updated kitchen with quartz counter tops, new vanity in primary bath, lighting throughout, new HVAC, new water heater replaced in Unit A in March of 2026, and the entire duplex roof was replaced in 2025. Unit B has not been updated but has a long term tenant. The exterior has sprawling shade trees, was painted in early 2023, and an oversized hill country overlook common deck located above the garages. Lago vista POA owners have access to multiple private parks with lake access, boat ramps, fishing well, tennis & pickleball courts, trails, campgrounds, city pool and more! Appointment only with 24 hour notice for showings.
Property Type
Residential Income
Year Built
1984
Lot Size
0.24 acres
$/Sq Ft
$193
HOA
$480/mo
Listed by 360 Properties, LLC
Property Details
Features
Appliances
Flooring
Features
Construction
Lot Features
Fencing
Foundation
Patio / Porch
Parking
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% ($75K)
$375,000
Luxury property intelligence
A sourced read on Highland Lake Estates Sec 21 pricing, timing, and property scale. No automated valuation claim.
List price
$375,000
Price per sqft
$193/sqft
Vs. Highland Lake Estates Sec 21 median
Not available
Days on market
11 days
Original to current
No verified reduction
$375K original
Active inventory context
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Source: MLS Grid / Unlock MLS and Keenan Group review as of May 10, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
With 20% down ($75,000) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 21401 Patton Ave is around $2,688 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
At $375,000, 21401 Patton Ave is in the Highland Lake Estates Sec 21 market where there are currently 251 active listings in 78645. The Keenan Group has completed 6 transactions in 78645 as part of 1,000+ career sales totaling $1B+ across Austin.
21401 Patton Ave was built in 1984 (42 years ago). Buyers should budget for potential updates to major systems.
21401 Patton Ave is part of a managed community with HOA dues of $480 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.
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