#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024
4 bed, 2 bath, 1,951 sqft on 0.49 acres in Lago Vista. Lago Vista, TX 78645. $375,000. Lago Vista ISD.
Discover your private sanctuary at 21500 Sierra Trail, a rare retreat perched on a sprawling half-acre double lot. This single-level residence offers the perfect blend of serenity and convenience, featuring breathtaking views of the surrounding canyon.
Designed for both relaxation and effortless entertaining, the home opens to a massive rear deck—the ultimate setting for sunset gatherings or quiet mornings overlooking the landscape. The property is fully fenced, providing a secure and expansive space to roam freely.
Inside, the home is bathed in natural light. The open-concept family room features soaring ceilings, seamlessly connecting to a spacious kitchen and dining area, both of which are oriented to capture the peaceful canyon vistas. With four generous bedrooms plus a dedicated office, there is ample space for a home gym, or the creative studio you’ve always envisioned.
Ideally located just moments from top-rated schools and premier shopping, this home offers the rare opportunity to enjoy a secluded, nature-inspired lifestyle without sacrificing everyday convenience. Welcome home!
Verified property facts
21500 Sierra TRL is listed at $375,000 with 4 bedrooms, 2 full bathrooms, 1,951 square feet, 0.49-acre lot.
21500 Sierra TRL 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.
21500 Sierra TRL is a Residential built in 1996 featuring 4 bedrooms, 2 full bathrooms, 1,951 square feet, 0.49-acre lot.
21500 Sierra TRL is listed by Realty Texas LLC. Keenan Group at Compass presents this IDX listing and provides the accompanying market analysis using MLS Grid / Unlock MLS data reviewed as of Oct 1, 2026.
The most recent annual property tax for 21500 Sierra TRL is $7,110. 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.
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1 record on file
Every recorded listing, sale, and lease at 21500 Sierra TRL, whoever represented it.
Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.
Pending 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 |
|---|---|---|---|---|
2025-14.1% | — | $371,097 | — | — |
2024-1.9% | — | $432,140 | $46,000 | $353,083 |
2023+111.8% | — | $440,439 | $63,250 | $368,890 |
2022 | — | $207,991 | $55,000 | $385,439 |
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.
20% ($75K)
Adjustable assumption - not a lending recommendation.
$375,000
Luxury property intelligence
A sourced read on Lago Vista pricing, timing, and property scale. No automated valuation claim.
List price
$375,000
Price per sqft
$192/sqft
Vs. Neighborhood guide reference price
Not available
Days on market
42 days
Original to current
No verified reduction
$375K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Oct 1, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
This page does not assume a mortgage rate or publish a monthly payment for 21500 Sierra TRL. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.
As of Oct 1, 2026, 21500 Sierra TRL is offered at $375,000. The current MLS snapshot shows 241 active listings in 78645. Keenan Group has completed 7 verified transactions in 78645 within its 1,000+ completed transactions and $1B+ career volume across Austin.
The MLS listing reports HOA or association dues of $480 annual for 21500 Sierra TRL. It does not establish included amenities, services, rules, reserves, or current assessments; verify those items in current association documents.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
8 events on record
Current Price
$375,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-14.1% | — | $371,097 | — | — |
2024-1.9% | — | $432,140 | $46,000 | $353,083 |
2023+111.8% | — | $440,439 | $63,250 | $368,890 |
2022 | — | $207,991 | $55,000 | $385,439 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
| Address | Offered At |
|---|---|
| 531 Venture Blvd S | $450K |
| 18305 Lakeshore Pt | $250K |
| 18312 Lakeshore Pt | $275K |
| 18405 Lakeshore Pt | $325K |
| 8414 Bronco Buster Trl | $275K |
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