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#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024Loading
Verified property facts
21909 Mockingbird St 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.
21909 Mockingbird St 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 21909 Mockingbird St is $13,211. 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 ($90,000) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 21909 Mockingbird St is around $3,436 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.
This Lake Travis waterfront homesite at 21909 Mockingbird Lane offers a rare chance to create a custom retreat in the heart of the Texas Hill Country. With a gentle slope toward the water, mature trees for privacy, and utilities available at the street, the property provides an ideal canvas for a home designed to capture lake views, natural light, and seamless indoor-outdoor living. From quiet mornings overlooking the water to evenings defined by expansive Hill Country sunsets, the setting supports a lifestyle centered on both relaxation and connection to nature.
Located in the Lago Vista community, ownership includes access to private waterfront parks, boat launches, a fishing well, pool, fitness center, pickleball courts, and golf course through the Lago Vista POA. Lake Travis offers endless opportunities for boating and recreation, while downtown Austin remains within an easy drive. An added opportunity exists with the adjacent submerged 4-acre tract owned by the City of Lago Vista, which may potentially be available to expand water access or enhance privacy.
Property Type
Land
Lot Size
0.69 acres
HOA
$200/mo
Listed by Kuper Sotheby's Int'l Realty
Property Details
Lot Features
Fencing
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% ($90K)
$450,000
Luxury property intelligence
A sourced read on Emerald Bend Sec 01 pricing, timing, and property scale. No automated valuation claim.
List price
$450,000
Price per sqft
Not available
Vs. Emerald Bend Sec 01 median
Not available
Days on market
27 days
Original to current
No verified reduction
$450K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of May 3, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
At $450,000, 21909 Mockingbird St 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.
21909 Mockingbird St includes verified waterfront access. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
21909 Mockingbird St is part of a managed community with HOA dues of $200 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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