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#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024Loading
Verified property facts
21800 Cardinal Ave 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.
21800 Cardinal 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 21800 Cardinal Ave is $1,100. 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 ($12,200) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 21800 Cardinal Ave is around $408 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.
Build your dream home in the heart of Lago Vista! This spacious lot at 21800 Cardinal Ave offers a peaceful setting surrounded by the beauty of the Texas Hill Country. Located minutes from Lake Travis, parks, golf courses, and Lago Vista’s many amenities. With utilities available nearby and no timeline to build, you can create the perfect retreat at your own pace. Enjoy a laid-back lake lifestyle while still being close to Austin. Buyer to verify all utilities and building requirements.
Property Type
Land
Lot Size
0.28 acres
HOA
$250/mo
Listed by eXp Realty, LLC
Property Details
Features
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% ($12K)
$61,000
Luxury property intelligence
A sourced read on Emerald Bend Sec 01 pricing, timing, and property scale. No automated valuation claim.
List price
$61,000
Price per sqft
Not available
Vs. Emerald Bend Sec 01 median
Not available
Days on market
272 days
Original to current
No verified reduction
$61K original
Active inventory context
Ask for current inventory
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
At $61,000, 21800 Cardinal Ave is in the Emerald Bend Sec 01 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.
21800 Cardinal Ave is part of a managed community with HOA dues of $250 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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