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$1,325,000
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Warm and welcoming quintessential family home in Mount Bonnell Shores is minutes from iconic Mount Bonnell and has Lake Austin access just a short walk away. Enjoy a neighborhood maintained private day dock and park/playground on the lake plus a walking trail by the lake which ends at the park. Your HOA dues of less than $14/mo include these sought after amenities. Located in one of Austin's most desirable neighborhoods, you are minutes from downtown, UT, restaurants, shopping and major employers. Fantastic curb appeal with tall oak trees. Spacious downstairs living area has a wall of built-ins and a cozy fireplace with a gas starter equipped with a gas log set. The fully remodeled kitchen has stainless steel gas appliances, marble countertops, kitchen island and ample counter space. Entertain effortlessly with a formal dining area plus breakfast room. There are 4 bedrooms, one smartly located downstairs which can be used as an office or guest room, and a roomy Primary Retreat and Primary Bath located upstairs with the other two secondary bedrooms and secondary Jack 'n Jill bath. All bathrooms have granite countertops. A wonderful and roomy Game Room is also located upstairs. Huge 2-story decks span the back of the home providing fantastic outdoor living space both downstairs and upstairs. The Primary Retreat has private access to the upstairs deck and a great view of the backyard. Your backyard is low maintenance and eco-friendly because it is 75% turfed. The remaining 25% is decomposed granite with a fun washer pit and is the perfect spot for a fire pit and chairs. The mosquito misting system surrounding the backyard goes off twice a day so that you can use your outdoor space year round. Because 5425 Tortuga Trl is the third home on the street directly off Mount Bonnell Rd, you have easy access in and out of the neighborhood. Floor plan and measurements available for review along with Seller's Disclosure Notice, Energy Audit, and Seller provided Survey and T47.
Property Type
Residential
Year Built
1985
Lot Size
0.17 acres
$/Sq Ft
$475
HOA
$165/mo
Garage
2 spaces
Listed by Coldwell Banker Realty
Verified property facts
5425 Tortuga TRL is listed at $1,325,000 with 4 bedrooms, 2 full, 1 half bathrooms, 2,789 square feet, 0.17-acre lot. This places it above the 78731 median of $1,225,000.
5425 Tortuga TRL is zoned for Austin ISD with assigned schools: Highland Park (10/10) (elementary), Lamar (Austin ISD) (middle), McCallum (8/10) (high). School assignments should be verified directly with the district.
5425 Tortuga TRL is a Residential built in 1985 featuring 4 bedrooms, 2 full, 1 half bathrooms, 2,789 square feet, 0.17-acre lot.
5425 Tortuga 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.
With 20% down ($265,000) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 5425 Tortuga TRL is around $9,304 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
Property Details
Features
Appliances
Flooring
Features
Construction
Lot Features
Fencing
Foundation
Patio / Porch
Parking
Waterfront
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 |
|---|---|---|---|---|
2025-5.0% | — | $1,249,458 | — | — |
2024-6.5% | — | $1,315,026 | $630,000 | $782,878 |
2023+70.3% | — | $1,405,878 | $630,000 | $685,026 |
2022 | — | $825,315 | $630,000 | $775,878 |

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% ($265K)
$1,325,000
Luxury property intelligence
A sourced read on Mount Bonnell Shores Sec 02 pricing, timing, and property scale. No automated valuation claim.
List price
$1,325,000
Price per sqft
$475/sqft
Vs. Mount Bonnell Shores Sec 02 median
Not available
Days on market
Not available
Original to current
No verified reduction
$1.3M original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Jun 3, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
At $1,325,000, 5425 Tortuga TRL is in the Mount Bonnell Shores Sec 02 market where there are currently 53 active listings in 78731. The Keenan Group has completed 107 transactions in 78731 as part of 1,000+ career sales totaling $1B+ across Austin.
5425 Tortuga TRL was built in 1985 (41 years ago). Buyers should budget for potential updates to major systems.
5425 Tortuga TRL includes verified waterfront access: None. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
5425 Tortuga TRL is part of a managed community with HOA dues of $165 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.
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.
9 events on record
Current Price
$1,275,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-5.0% | — | $1,249,458 | — | — |
2024-6.5% | — | $1,315,026 | $630,000 | $782,878 |
2023+70.3% | — | $1,405,878 | $630,000 | $685,026 |
2022 | — | $825,315 | $630,000 | $775,878 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
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