#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024This property has sold on March 24, 2015. Looking for something similar? Contact us or browse available homes.
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Description available upon request.
Property Type
Residential
Year Built
1999
$/Sq Ft
$934
Property Details
Verified property facts
3905 Island Knoll Dr is listed at $6,995,000 with 6 bedrooms, 5 full, 4 half bathrooms, 7,486 square feet. This places it above the ZIP 78746 single-family closed-sale median price of $2,100,000 (ZIP 78746 geography · single-family closed sales · median sale price · trailing 12 months as of Aug 30, 2026).
3905 Island Knoll Dr is zoned for Eanes ISD with assigned schools: Bridge Point (10/10) (elementary), Hill Country (9/10) (middle), Westlake (9/10) (high). School assignments should be verified directly with the district.
3905 Island Knoll Dr is a Residential built in 1999 featuring 6 bedrooms, 5 full, 4 half bathrooms, 7,486 square feet.
3905 Island Knoll Dr is priced at $934 per square foot across 7,486 sqft. The Lake Austin neighborhood guide reference price is $5,400,000 (Lake Austin neighborhood guide · reference price).
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
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Listing timeline 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 |
|---|---|---|---|---|
2025-29.2% | — | $5,944,513 | — | — |
2024-5.9% | — | $8,400,000 | $562,464 | — |
2023+66.6% | — | $8,931,240 | $562,464 | — |
2022 | — | $5,361,570 | $562,464 | — |
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% ($1.4M)
Adjustable assumption - not a lending recommendation.
$6,995,000
Luxury property intelligence
A sourced read on Lake Austin pricing, timing, and property scale. No automated valuation claim.
List price
$6,995,000
Price per sqft
$934/sqft
Vs. Neighborhood guide reference price
+29.5%
$5.4M · Lake Austin neighborhood guide · reference price
Days on market
Not available
Original to current
No verified reduction
$7M original
Active inventory context
3 listings
Price Position in Lake Austin
Listed 30% above the Lake Austin neighborhood guide reference price. Lake Austin neighborhood guide · reference price.
Source: MLS Grid / Unlock MLS and Keenan Group review as of Apr 25, 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 3905 Island Knoll Dr. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.
As of Apr 25, 2026, 3905 Island Knoll Dr is offered at $6,995,000. The current MLS snapshot shows 88 active listings in 78746. Keenan Group has completed 19 verified transactions in 78746 within its 1,000+ completed transactions and $1B+ career volume across Austin. See Keenan Group's Lake Austin guide for current neighborhood analysis.
The MLS listing marks 3905 Island Knoll Dr as waterfront. Confirm shoreline access, dock rights, and floodplain status from current property documents during due diligence.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
Lake Austin is one of Austin's established neighborhoods, zoned for Eanes ISD in the 78746 area. The Keenan Group has specialized in Lake Austin real estate for 25+ years with 1,000+ career transactions. Contact (512) 415-7653 for current market conditions and available homes.
Source: Keenan Group at Compass Real Estate, #1 Austin Board of Realtors Team (2024)
Car-Dependent
No Nearby Transit
Somewhat Bikeable
Walk Score measures walkability based on distance to amenities. Transit Score measures public transportation access. Bike Score measures bikeability based on bike infrastructure and terrain.
6 events on record
Current Price
$6,995,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-29.2% | — | $5,944,513 | — | — |
2024-5.9% | — | $8,400,000 | $562,464 | — |
2023+66.6% | — | $8,931,240 | $562,464 | — |
2022 | — | $5,361,570 | $562,464 | — |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
Neighborhood guide and local insights
Lake Austin is Austin's most exclusive waterfront corridor - 22 miles of constant-level shoreline in 78732, 15 minutes from downtown. Waterfront homes start around $4M and trophy lots with 200+ feet of flat shoreline trade at $15M-$35M+. The lake is controlled by Tom Miller Dam, which maintains consistent water levels year-round - the key advantage over seasonal Lake Travis. This is one of Austin's thinnest markets. Roughly 22 miles of total shoreline, and at any given time only 3-5 homes are actively listed. Many of the best lots trade privately through agent relationships before they ever reach the MLS. The finite supply creates a structural price floor that insulates Lake Austin from broader market cycles. Buyers here want water access as daily life, not a weekend plan. Morning paddleboard, afternoon ski run, burgers at Ski Shores by boat, sunset from your own dock watching Hill Country ridgelines. The practical side matters too: you are inside Austin city limits with full services, 15 minutes from downtown, 10 from the Domain. Four Seasons Private Residences is under development on 145 acres with 188 planned homes - the first significant new inventory since the lake was established. Eanes ISD and Leander ISD serve different sections of the corridor, both with strong school ratings.
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