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6 Bedroom(s)
6 Full & 1 Half Bath(s)
7,536 Sqft
1.58 Lot Acres
Residential Single Family

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About this property

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.

MLS#
ABORTX-1518537
List Price
$4,350,000 ($577/Sqft.)
Listing Status
For Sale
Address
405 Barrett Ln
City
State
TX
Zip Code
County
Subdivision
Rob Roy On Lake Sec 02
Legal Description
LOT 38 BLK B ROB ROY ON THE LAKE SEC 2
Property Type
Residential Single Family
Bedroom
6 Bedroom(s)
Bath
6 Full & 1 Half Bath(s)
Garages
5 / Appraisal District
Stories
2
Building Size
7,536 Sqft/Appraiser
Year Built
2003 /Public Records
Lot Size
1.58 Lot Acres/Appraisal District
LP / Acre
$2,754,734 / Acre
Maintenance Fee
$750 / Annually

Interior

Number Of Living Area
4
Number Of Dining Area
3
Fireplace
1/Family Room,Gas
Floors
Carpet, Marble, Wood
Cooling
Ceiling Fan(s), Central Air
Heating
Central, Fireplace(s)
Window
Blinds,Plantation Shutters,Window Treatments
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, Cooktop Gas, Microwave, Double Oven, Refrigerator, Washer/Dryer
Security System
Carbon Monoxide Detector(s),Fire Alarm
Interior
2 Primary Baths, 2 Primary Suites, Ceiling Fan(s), Ceiling-High, Counter-Granite, Entrance Foyer, Interior Steps, Kitchen Island, Multiple Living Areas, Open Floorplan, Pantry, Primary Bedroom on Main, Storage, Two Primary Closets, Walk-In Closet(s)

Exterior

Roof
Tile
Foundation
Slab
Private Pool
Yes
Private Pool Desc
Electric Heat,ENERGY STAR Qualified pool pump,Filtered,Heated,In Ground,Infinity,Outdoor Pool
Exterior Type
Stucco
Lot Description
Back to Park/Greenbelt, Sprinkler - Automatic, Sprinkler - Back Yard, Sprinkler - In Front, Sprinkler - In-ground, Trees-Large (Over 40 Ft), See Remarks
Parking
Additional Parking, Door-Multi, Driveway, Garage
Parking Space
Garage 5 / Parking 5
Controlled Access
Accessible Full Bath
Utility
Electricity Connected,Propane,Water Connected
Front Door Face
NW
Views
Canyon,Hill Country,Pool
Exterior
Balcony, Barbecue, Dog Run, Exterior Steps, Gas Grill, Gutters Full, Lighting, Outdoor Grill, Private Entrance, Private Yard, See Remarks

See the lot information

Lot Size
1.58 Lot Acres /Appraisal District
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Disclaimer: Lot configuration and dimensions are estimates, not based on personal knowledge and come from a third party (Digital Map Products); therefore, you should not rely on the estimates and perform independent confirmation as to their accuracy

Financial information

Maintenance Fee
$750.00/Annually

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Principal & InterestTaxesInsuranceHOA fees----%----
Listing TaxNumbers
Principal & Interest2,841
Taxes1,242
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Notice & Disclaimer
School information is computer generated and may not be accurate or current. Buyer must independently verify and confirm enrollment. Please contact the school district to determine the schools to which this property is zoned.

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Listing broker

Compass RE Texas, LLC

2500 Bee Caves Road, Austin, TX 78746
Compass RE Texas, LLC, is a Texas real estate firm, located at 2500 Bee Caves Road, Austin, TX 78746. Compass RE Texas, LLC provides a wide range of real estate services. Consumers continue to find value in having a real estate professional help them through the home buying and selling process. The range of services the real estate professionals provide is proving ever more valuable in real estate transactions (financing twists and sales contract intricacies). Please view Compass RE Texas, LLC current listings.

Buyers and sellers give reviews to the real estate agents for the level of expertise and professionalism they bring to the real estate transaction. View Compass RE Texas, LLC Agent Roster.

Information source

unlock MLS
Source last updated Apr 15, 2026 at 09:38 AM
Listing last updated Mar 27, 2026 at 11:40 AM
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405 Barrett Ln, Austin, TX 78733. View photos, map, tax, nearby homes for sale, home values, school info...

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