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#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024Loading
Verified property facts
21121 Bison Trl is zoned for Lago Vista ISD with assigned schools: Lago Vista (6/10) (elementary), Lago Vista (6/10) (middle), Lago Vista (6/10) (high). School assignments should be verified directly with the district.
21121 Bison 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 21121 Bison Trl is $1,601. 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.
With 20% down ($15,000) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 21121 Bison Trl is around $523 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
Listing timeline with current price, original ask, and market time.
Beautiful lot located in the lush wooded green valley of Lago Vista.
Property Type
Land
Lot Size
0.24 acres
Listed by Keller Williams Realty
Property Details
Lot Features
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% ($15K)
$75,000
Luxury property intelligence
A sourced read on Bar-K Ranches 13 pricing, timing, and property scale. No automated valuation claim.
List price
$75,000
Price per sqft
Not available
Vs. Bar-K Ranches 13 median
Not available
Days on market
38 days
Original to current
No verified reduction
$75K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of May 10, 2026.
Request Private Market AnalysisZIP-level inventory, pricing, and Austin market data
District guide, nearby schools, and homes by attendance area
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Pricing, prep, launch timing, and Compass marketing strategy
#1 ABOR Team 2024 with $1B+ career sales volume
At $75,000, 21121 Bison Trl is in the Bar-K Ranches 13 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.
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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