#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024
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!
Property Type
Residential
Year Built
1996
Lot Size
0.49 acres
$/Sq Ft
$192
HOA
$480/mo
Garage
2 spaces
Listed by Realty Texas LLC
Property Details
Features
Appliances
Flooring
Features
Construction
Lot Features
Fencing
Foundation
Patio / Porch
Parking
Waterfront
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 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 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.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
1 record on file
Every recorded 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.
Listed 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)
$375,000
Luxury property intelligence
A sourced read on Bar-K Ranches 09 pricing, timing, and property scale. No automated valuation claim.
List price
$375,000
Price per sqft
$192/sqft
Vs. Bar-K Ranches 09 median
Not available
Days on market
1 day
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 Aug 21, 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 21500 Sierra TRL is around $2,538 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
At $375,000, 21500 Sierra TRL is in the Bar-K Ranches 09 market where there are currently 263 active listings in 78645. The Keenan Group has completed 6 transactions in 78645 as part of 1,000+ career sales totaling $1B+ across Austin.
21500 Sierra TRL includes verified waterfront access: None. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
21500 Sierra TRL 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.
6 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.
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