405 Barrett Ln Austin, TX $ 4,350,000
405 Barrett Ln
$ 4,350,000
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405 Barrett Ln

Austin, TX, 78733
$ 4,350,000
Bedrooms6 Baths6.1 Sq 7,536

Monthly Estimate*

$ 26,784

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Single Family Home for sale in Austin, TX

for $4,350,000 with 6 bedrooms and 6 full baths, 1 half bath. This 7,536 square foot home was built in 2003 on a lot size of 1.5791.

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.

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Single Family Active

Price

$ 4,350,000

Bedrooms

6

Full Bath

6

Half Bath

1

Property Type

Single Family

Taxes

$ 35,192

Style

Single Family Residence

Lot Size

1.5791

Year Built

2003

Town/City

Austin

County/Region

Travis

MLS | Web ID

1518537

Features
General
Living Area 7536
Sewer Septic Tank
Heating Central Fireplace(s)
Cooling Ceiling Fan(s) Central Air
Utilities Electricity Connected Propane Water Connected
Roof Tile
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 Refrig
HOA Fee 750
Garage Spaces 5
Association Fee Includes Common Area Maintenance
Patio/Porch Features Deck
Pool Features Electric Heat ENERGY STAR Qualified pool pump Filtered Heated In Ground Infinity Outdoor Pool
Security Features Carbon Monoxide Detector(s) Fire Alarm
Construction Materials Stucco
Year Built 2003
View Canyon Hill Country Pool
Levels Two
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features None
Community Features See Remarks
Accessibility Accessible Full Bath
Assoc Fee Paid Per Annually
County Travis
New Construction N
Property Type Residential
HOA Y
Energy Efficient None
Subdivision Name Rob Roy On Lake Sec 02
Facing Direction Northwest
Green Sustainability None
Other Structures Guest House
Full Baths 6
Status Active
Directions 2244 Bee Caves Rd west. Right on River Hills road Right on Sumner Left on Barrett.
High School Westlake
City Austin
Disclosures Seller Disclosure
Association Name Rob Roy on the Lake Section Two Owners
MLS Area 8W
Lot Size Square Feet 68785.6
Spa Features Heated Hot Tub In Ground
Elementary School Forest Trail
Middle/Junior High School West Ridge
Property Condition Resale
Additional Parcels Y/N N
Builder Name John Hagy
Standard Status Active
Year Built Source Public Records
Tax Assessed Value 2197539
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Interior
Interior Amenities Two Primary Baths Two Primary Suties Ceiling Fan(s) Ceiling-High Granite Counters Entrance Foyer Interior Steps Kitchen Island Multiple Living Areas Open Floorplan Pantry Primary Bedroom on Main Stor
Flooring Carpet Marble Wood
Total Fireplaces 1
Fireplace Features Family Room Gas
Window Features Blinds Plantation Shutters Window Treatments
Half Baths 1
Total Bedrooms 6
Main Level Bedrooms 1
Total Baths 7
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Exterior
Exterior Amenities Balcony Barbecue Dog Run Exterior Steps Gas Grill Gutters Full Lighting Outdoor Grill Private Entrance Private Yard See Remarks
Fencing Back Yard Wrought Iron
Parking Features Additional Parking Door-Multi Driveway Garage
Lot Features Greenbelt Sprinkler - Automatic Sprinklers In Rear Sprinklers In Front Trees-Large (Over 40 Ft) See Remarks
Water Source MUD
Total Parking 5
Foundation Details Slab
Lot Size Acres 1.5791
Waterfront Y/N N
Covered Spaces 5
Horse Y/N N
Horse Amenities None
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Internal Only
Street Number 1 405
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* Excluded Features
List By
Heather Hudson

Listing Agent

Compass Re Texas, Llc

Broker

heather.hudson@compass.com

Email

Affordability Calculator

$29,716
Per Month
90%
10%
0%
Monthly Principal & Interest
$26,784
Monthly Property Taxes
$2,933
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4360519 Elementary School
4360129 Middle School
Westlake High School High School
Pricing History
DatePricePrice ChangeDescription
2/19/2026$4,350,000 Listed Price

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405 Barrett Ln, Austin, TX, 78733 is a Single Family Home for sale at $4,350,000 with 7,536 sqft and a lot size of 1.5791. 405 Barrett Ln has 6 bedrooms, 6.1 baths, and was built in 2003. The property's zip code is 78733 which is in Austin, TX