$15,900,000

Property Overview

This newly completed architectural masterpiece at 1003 The High Road in Westlake Hills commands one of the most elevated positions in Austin, TX, offering sweeping panoramic views of downtown and the Hill Country beyond. The Onyx spans nearly 11,000 square feet across a private acre, architected by Paradisa Homes with meticulous attention to proportion and enduring craftsmanship. Walls of glass and a custom Fleetwood Edge sliding system blur the boundary between interior and landscape, flooding the home with natural light that shifts throughout the day while framing the uninterrupted vistas that define this rare offering.

The residence's interior volumes impress immediately, with ceilings soaring to 18 feet and spatial flow that prioritizes both grandeur and livability. The primary kitchen anchors a sophisticated culinary hub with a 12-foot Milano marble island, Gaggenau appliances, and adjacent catering kitchen, designed for both intimate gatherings and scale entertaining. Seven bedrooms and eleven baths accommodate family and guests throughout multiple living levels, while the gated, privately walled arrival and security infrastructure reflect the privacy and exclusivity expected in this premier Eanes ISD neighborhood.

Vox Residential Insight

At $1,457 per square foot, this estate positions significantly above the area median and represents the caliber of ultra-luxury development that Vox Residential specializes in throughout Westlake Hills. The combination of architectural significance, uncompromised build quality, and that rare elevation with city views makes this a generational property in Austin's most prestigious address.

Agent Description

Newly completed, The Onyx is among the most significant residential offerings ever brought to market in Westlake Hills. Defined by rare elevation, sweeping downtown Austin views, and exceptional execution, this architectural estate delivers scale, presence, and privacy at a level few homes achieve. A secure, gated, and privately walled arrival sets the tone for the residence. Spanning approximately 11,000 square feet on nearly an acre, the home was built by Paradisa Homes with an uncompromising focus on proportion, durability, and enduring quality. Walls of glass frame the living environment throughout, including a custom Fleetwood Edge sliding system—the largest of its kind—opening to uninterrupted city and Hill Country views. Interior volumes are striking, with ceilings reaching up to 18 feet and light moving intentionally throughout the day. The kitchen is anchored by a 12-foot Milano marble island with Gaggenau appliances, complemented by a fully equipped catering kitchen with Thermador appliances and a glass-enclosed wine vault with approximately 600-bottle capacity. An entire level is dedicated to the owner’s suite, featuring a private lounge, office, dual walk-in closets, safe room, and a spa-like bath with soaking tub, oversized rain shower, and floor-to-ceiling glass framing downtown views. Additional amenities include a private theater, fitness studio with steam shower, library, full bar opening to the pool, elevator, and a fourth-floor Sky Parlor designed for indoor-outdoor entertaining. Outdoor living includes a resort-style pool and spa, cabana with swim-up bar, outdoor kitchen, pool bath, and expansive lawns. A detached guest house offers a kitchen, living space, and en-suite bedroom. Garage parking accommodates 6–12 vehicles with lift capability. Located in Eanes ISD and minutes from downtown Austin.

Neighborhood: Westlake Hills

This property is located in Westlake Hills, Austin, TX. The area is known for Eanes ISD Schools, Lake Austin Views, Luxury Estates, Hill Country Setting, Premier Address.

At $1457/sqft, this listing is priced 81% above the Westlake Hills median of $806/sqft.

Property Details

Listing data last updated: May 19, 2026

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