Austin78731Island at Mount Bonnell Shores4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
4400 Island Ave, Austin, TX, 78731
Just ListedActive

4400 Island Ave, Austin, TX, 78731 - MLS# 9276221

Island at Mount Bonnell Shores

MLS® #: 9276221 Time on Realty Austin: 2

Last checked: 3 minutes ago

Last updated: 07/02/2026

Viewed 11

Saved 0

Bedrooms

5

Bathrooms

4 full / 2 half

Square Feet

8626

Acres

1.60

Property Type

Single Family Residence

Heating

Central Natural Gas

Parking

6, Attached, Garage

Year Built

1996

Stories

2

Cooling

Central Air

Days on Market

2

Garages

3

Situated within The Island, one of Austin’s most coveted gated communities on Lake Austin, this exceptional
waterfront estate offers a rare combination of privacy, acreage, and direct lake access. Set on 1.6 acres along a
serene canal, the property includes a spacious main residence and a separate one-bedroom guest house, creatin ...
...

Property Details Info

Property History

Date
MLS #
Details
Price Unlock Prices
Status
07/01/2026
9276221 - Residential
New Listing
$6,500,000
New Listing
Unlock full History Table

Property Details

Location

Legal DescriptionLOT 1-A BLK B ISLAND AT MT BONNELL SHORES THE AMENDED PLAT OF LOTS 1&2
Address4400 Island Ave, Austin, TX, 78731
CountyTravis
CityAustin
Zip Code78731
MLS Area1B

Interior Features

Beds and Baths

Bedrooms5
Main Level Beds1
Bathrooms4 full / 2 half
Primary on MainNo
Guest AccommodationsNo

Building

Building Information

Square Feet8626 - Public Records
Year Built1996
# of Stories2
Building FacesEast
ConstructionStone
FoundationSlab
RoofTile

Financial

$/Sq Ft$753
$/Acre$4,059,962
$/UnitN/A
Special ConditionsNo
Documents AvailableSurvey

Property Taxes

Appraisal DistrictTravis
Estimated Taxes$114,303.92
Tax ID01290705100000
Tax Year2026

Homeowner Association

Has HOAYes
HOA NameIsland at Mt. Bonnell
HOA Fee$3,000 - Annually

Payment Calculator

$40,952 per month30 Year Fixed
Principal and Interest $31,177
Property Taxes $9,525
HOA Dues $250
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Neighborhood

Schools

Highland Park Elementary School
Public
KG to 5
Student - Teacher Ratio 15:1
B+
7/10
Read Reviews

*School data provided by GreatSchools. This information should only be used as a reference. We recommend contacting the local school district to confirm school assignments for this home.

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Listing provided by

Moreland Properties | (512) 480-0848

The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Based on information from the Austin Board of REALTORS® (alternatively, from ACTRIS) from July 3rd, 2026 at 10:23pm. Neither the Board nor ACTRIS guarantees or is in any way responsible for its accuracy. The Austin Board of REALTORS®, ACTRIS and their affiliates provide the MLS and all content therein "AS IS" and without any warranty, express or implied. Data maintained by the Board or ACTRIS may not reflect all real estate activity in the market. All information provided is deemed reliable but is not guaranteed and should be independently verified.

$6,500,000
4400 Island Ave, Austin, TX, 78731
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