405 Barrett LN
Austin, TX, 78733
$4,350,000
6 Beds
6.5 Baths
7,536 SqFt
1.58 Acres
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MLS #1518537 image #0
This rare offering in Rob Roy on the Lake spans over 7,500 square feet across two thoughtfully designed structures, creating a true multi-generational estate with limitless flexibility. Built to adapt to evolving lifestyles, the property can offer three independent living quarters while maintaining a unified sense of luxury.

The 5,800-square-foot main residence features elegant formal living and dining rooms, a chef’s kitchen with breakfast room overlooking a serene courtyard, and a grand family room that flows effortlessly to the backyard retreat. A negative-edge pool, multiple covered terraces, and panoramic Hill Country views set the stage for unforgettable entertaining and fun. The owner’s suite and dedicated office are located on the main level, while the upstairs level can function as its own private four bedroom retreat, with three full bathrooms, a large kitchen, dining and living space as well as a beautiful covered terrace to take in the hill country views.

The 2025-built single-story guest house offers 3 bedrooms, 2.5 baths, a 2-car garage, and sleek contemporary interiors all in 1700 sq ft. With expansion potential beneath the structure, this space is equally suited for extended family, guests, or long-term rental income.

Together, these homes create an estate that is as versatile as it is beautiful. Whether designed for large families, multi-generational living, or investment potential, the property offers unmatched possibilities.

Situated in the prestigious Eanes ISD and feeding to Forest Trail Elementary, West Ridge Middle, and Westlake High School, this estate also boasts an incredibly low 1.6% tax rate and just a $1,000 annual HOA fee—making it one of Westlake’s best-kept secrets.
Listing Provided Courtesy of Compass RE Texas, LLC

Property Details

Price:
$4,350,000
MLS #:
1518537
Status:
Active
Beds:
6
Baths:
6.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Rob Roy On Lake Sec 02
Listed Date:
Feb 18, 2026
Finished Sq Ft:
7,536
Lot Size:
68,786 sqft / 1.58 acres (approx)
Year Built:
2003
PoolRob Roy On Lake Sec 02Eanes IsdForest TrailWest RidgeWestlake

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Schools

School District:
Eanes ISD
Elementary School:
Forest Trail
Middle School:
West Ridge
High School:
Westlake

Interior

Appliances
Built-In Electric Range, Built-In Gas Range, Cooktop, Dishwasher, Disposal, Dryer, ENERGY STAR Qualified Appliances, ENERGY STAR Qualified Dishwasher, ENERGY STAR Qualified Dryer, ENERGY STAR Qualified Refrigerator, Exhaust Fan, Gas Cooktop, Microwave, Double Oven, Refrigerator, Washer/Dryer
Bathrooms
6 Full Bathrooms, 1 Half Bathroom
Cooling
Ceiling Fan(s), Central Air
Fireplaces Total
1
Flooring
Carpet, Marble, Wood
Heating
Central, Fireplace(s)
Interior Features
2 Primary Baths, 2 Primary Suites, Ceiling Fan(s), High Ceilings, Granite Counters, Entrance Foyer, Interior Steps, Kitchen Island, Multiple Living Areas, Open Floorplan, Pantry, Primary Bedroom on Main, Storage, Walk-In Closet(s)
Levels
Two
Main Level Bedrooms
1

Exterior

Accessibility Features
Accessible Full Bath
Community Features
See Remarks
Covered Spaces
5
Direction Faces
NW
Exterior Features
Balcony, Barbecue, Dog Run, Exterior Steps, Gas Grill, Gutters Full, Lighting, Outdoor Grill, Private Entrance, Private Yard, See Remarks
Fencing
Back Yard, Wrought Iron
Garage Spaces
5
Lot Features
Back to Park/Greenbelt, Sprinkler – Automatic, Sprinkler – Back Yard, Sprinklers In Front, Sprinkler – In-ground, Trees-Large (Over 40 Ft), See Remarks
Other Structures
Guest House
Parking Features
Additional Parking, Door-Multi, Driveway, Garage
Patio And Porch Features
Deck
Roof
Tile
Spa Features
Heated, Hot Tub, In Ground
View
Canyon, Hill Country, Pool
Waterfront Features
None
Window Features
Blinds, Plantation Shutters, Window Treatments

Financial

HOA Fee
$750
HOA Fee Frequency
Annually
HOA Includes
Common Area Maintenance
HOA Name
Rob Roy on the Lake Section Two Owners

Map

Community

Subdivisions in Austin

Market Summary

Current real estate data for Single Family in Austin as of Apr 15, 2026
3,710
Single Family Listed
82
Avg DOM
399
Avg $ / SqFt
$1,068,626
Avg List Price

Property Summary

    Located in the Rob Roy On Lake Sec 02 subdivision, 405 Barrett LN Austin TX is a Single Family for sale in Austin, TX, 78733. It is listed for $4,350,000 and features 6 beds, 7 baths, and has approximately 7,536 square feet of living space, and was originally constructed in 2003. The current price per square foot is $577. The average price per square foot for Single Family listings in Austin is $399. The average listing price for Single Family in Austin is $1,068,626. To schedule a showing of MLS#1518537 at 405 Barrett LN in Austin, TX, contact your Stripe Realty agent at 512-439-2122.

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