605 Casasanta Trl Austin, TX $ 4,250,000
605 Casasanta Trl
$ 4,250,000
Recently Listed New Construction
Open House 3/28 10am - 1:30pm
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605 Casasanta Trl

Austin, TX, 78738
$ 4,250,000
Bedrooms4 Baths4.1 Sq 5,216

Monthly Estimate*

$ 26,168

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Single Family Home for sale in Austin, TX

for $4,250,000 with 4 bedrooms and 4 full baths, 1 half bath. This 5,216 square foot home was built in 2026 on a lot size of 0.9658.

Showings start Thursday 6-8PM. Come join our unveiling party! Welcome to 605 Casasanta, an exceptional custom residence in the highly coveted, gated waterfront community of The Peninsula at Rough Hollow. This newly completed home showcases amazing craftsmanship and thoughtful design, with every detail executed to the highest standard. From premium finishes to cutting-edge building specifications (see documents), no expense has been spared in creating a residence that exemplifies refined luxury and timeless sophistication. Builder Perks: extensive blind package, 1-year landscaping maintenance, plus nearly 30 hours of moving/organizing/setup for new owners. This sprawling 5,216 sq. ft. single-story residence is gracefully positioned on a premier corner lot, complete with a circular drive and backing to lush green space. Designed with both luxury and function in mind, the home features four spacious bedrooms with en suite baths, half bath, a private study, media room and a unique four-car garage. 4th car garage perfect for home gym. The seamless indoor-outdoor experience is highlighted by a resort-style pool, outdoor kitchen, and curated landscaping. Inside, soaring ceilings set a dramatic tone, including 20’ ceilings in the study and 15’ ceilings in the dining room, family room, and game room. The gourmet kitchen is outfitted with professional-grade appliances, including a 60” built-in Sub-Zero refrigerator/freezer, a 48” Wolf range, and dual Cove dishwashers. A fully appointed Butler’s Pantry complements the space with a Wolf oven and speed oven, Scotsman ice machine, and an additional 36” refrigerator. Modern sophistication is showcased throughout with sleek LuxView exterior doors and windows, linear air conditioning vents, and trim less 2” square recessed lighting. Energy-efficient design features include foam insulation in roof and walls, two tankless water heaters, three high-performance HVAC units, a dehumidifier, and a Level 2 EV charging station in the garage.

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Open House

3/28/2026 10:00 AM - 1:30 PM
3/29/2026 2:00 PM - 4:00 PM
605 Casasanta Trl Austin, TX
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 4,250,000

Bedrooms

4

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 5

Style

Single Family Residence

Lot Size

0.9658

Year Built

2026

Town/City

Austin

County/Region

Travis

MLS | Web ID

1110548

Features
General
Living Area 5216
Sewer MUD
Heating Central
Cooling Central Air
Utilities See Remarks
Roof Metal
Appliances Bar Fridge Built-In Electric Range Built-In Freezer Built-In Oven(s) Cooktop Dishwasher Disposal ENERGY STAR Qualified Appliances Exhaust Fan Microwave Double Oven Plumbed For Ice Maker Range RNGHD R
HOA Fee 2200
Garage Spaces 4
Association Fee Includes Common Area Maintenance
Patio/Porch Features Front Porch Patio
Pool Features In Ground Outdoor Pool Pool/Spa Combo
Security Features Carbon Monoxide Detector(s) Prewired Security System Smoke Detector(s)
Construction Materials Frame Glass HardiPlank Type Spray Foam Insulation
Year Built 2026
View Hill Country Neighborhood Trees/Woods
Levels One
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Lake Privileges
Community Features BBQ Pit/Grill Clubhouse Fitness Center Gated Lake Park Picnic Area Playground Pool Restaurant Trail(s)
Accessibility Accessible Entrance
Assoc Fee Paid Per Semi-Annually
County Travis
New Construction Y
Property Type Residential
HOA Y
Energy Efficient Appliances Construction Materials Windows
Subdivision Name Lakeway Hlnds Ph 1 Sec 5
Facing Direction West
Green Sustainability Conserving Methods
Other Structures None
Full Baths 4
Status Active
Directions From HWY 71 West -- Turn Right onto Bee Creek Rd Follow Roundabout to Highlands Blvd. Turn Left on Peninsula Way. Go thru guard gate go to end of street to the next guard gate that requires a code. T
High School Lake Travis
City Austin
Disclosures None
Association Name Rough Hollow HOA
MLS Area LS
Lot Size Square Feet 42070.25
Spa Features Heated Hot Tub
Elementary School Rough Hollow
Tax Annual Amount 14977.83
Middle/Junior High School Lake Travis
Property Condition New Construction
Builder Name W Hayes Ventures
Standard Status Active
Year Built Source Public Records
Tax Assessed Value 720672
Virtual Tour https://view.ramblrmedia.com/sites/605-casasanta-trl-austin-tx-78738-22948163/branded
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Interior
Interior Amenities Bar Bookcases Breakfast Bar Built-in Features Ceiling Fan(s) Beamed Ceilings Ceiling-High Ceiling-Vaulted Chandelier Double Vanity Entrance Foyer Kitchen Island Multiple Dining Areas Multiple Living
Flooring Tile Wood
Total Fireplaces 2
Fireplace Features Glass Doors
Window Features ENERGY STAR Qualified Windows
Half Baths 1
Total Bedrooms 4
Main Level Bedrooms 4
Total Baths 5
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Exterior
Exterior Amenities Barbecue Electric Car Plug-in Garden Gas Grill Gutters Full Lighting Outdoor Grill Private Yard
Fencing Back Yard Fenced Full Gate Privacy Wrought Iron
Parking Features Additional Parking Attached Circular Driveway Concrete Driveway Garage Golf Cart Garage Inside Entrance Private
Lot Features Greenbelt Back Yard Cleared Corner Lot Curbs Front Yard Garden Private Sprinkler - Automatic Trees-Moderate Views Xeriscape
Water Source MUD
Total Parking 8
Foundation Details Slab
Lot Size Acres 0.9658
Waterfront Y/N N
Covered Spaces 4
Horse Y/N N
Horse Amenities None
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Internal Only
Street Number 1 605
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* Excluded Features
List By
Lauren McCoy

Listing Agent

Brodsky Properties

Broker

lauren@dbrodskyproperties.com

Email

Affordability Calculator

$26,168
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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
4360305 Elementary School
4360246 Middle School
Lake Travis High School High School
Pricing History
DatePricePrice ChangeDescription
3/24/2026$4,250,000 Listed Price

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605 Casasanta Trl, Austin, TX, 78738 is a Single Family Home for sale at $4,250,000 with 5,216 sqft and a lot size of 0.9658. 605 Casasanta Trl has 4 bedrooms, 4.1 baths, and was built in 2026. The property's zip code is 78738 which is in Austin, TX