3003 Castle Road

Tucked behind gated access on approximately 50 acres in Sonoma Valley, 3003 Castle Road offers a rare combination of architectural distinction, expansive land, and exceptional privacy. Known as Agave House, this contemporary estate was designed with inspiration from architect Luis Barragn and constructed by Robert Zinkhan. The approximately 7,631-square-foot residence (buyer to verify) is thoughtfully arranged around a central courtyard and infinity pool, creating seamless connections between indoor and outdoor living. Three spacious en-suite bedrooms provide private accommodations, while a chef's kitchen and separate butler's pantry support everyday living and large-scale entertaining. Expansive views stretch across the surrounding countryside toward the Bay Area. A distinctive lower-level stone cellar adds another dimension to the property, complete with a secondary kitchen, half bath, concrete flooring, drainage infrastructure, and zinc worktables historically utilized for winemaking and olive curing. Beyond the residence there is an established orchard and a bocce court turned chicken run that truly complement the property's extensive acreage. With its gated entrance, substantial landholding, and secluded location, the estate is well suited for those seeking a private Sonoma retreat, a multigenerational family gathering place, or a long-term legacy investment. Agave House delivers the increasingly sought-after combination of space, privacy, and architectural character in Northern California wine country.

Days on Market

2 days

Current Status

Active

Original Price

List Price

$5,995,000

On Market Date

Oct 13, 2026

Property Type

Single Family Residence

Area

Sonoma

Zip Code

95476

MLS ID

326086224

APN

127790004000

Year Built

2004

Stories in Building

2

Possession

Close Of Escrow

Data Source

BAREIS

Origin MLS System

Bed

3

Bath

5 (4/2)

Parking

5

Attached, Inside Entrance, Private, Uncovered Parking Spaces 2+

SQ FT

7,631

SQ FT Source

Not Verified

Lot SQ FT

2,176,693.0

Lot Acres

49.97 Acres

Pool Info

Built-In

Kitchen

Butlers Pantry, Dumbwaiter, Kitchen Island

Cooling

Ceiling Fan(s), Central Air, MultiZone

Dining Room

Formal Area, Formal Room, Skylight(s)

Disclosures

Offer As Is

Exterior Details

Covered Courtyard, Uncovered Courtyard

Family Room

Great Room, Skylight(s), View

Living Room

Great Room, Skylight(s)

Foundation

Slab

Fire Place

Family Room

Heating

Central, MultiUnits, Radiant

Laundry

Cabinets, Inside Area

Upper Level

Loft

Main Level

Bedroom(s), Dining Room, Family Room, Full Bath(s), Kitchen, Living Room, Primary Bedroom, Partial Bath(s)

Views

Bay, City, City Lights, Downtown, Mountain(s), Ocean, Panoramic, San Francisco, Valley, Trees/Woods

Possession

Close Of Escrow

Basement

Finished

Architectural Style

Contemporary

Fee

$0

MLS and other Information regarding properties for sale as shown in Theo have been obtained from various sources such as sellers, public records, agents and other third parties. This information may relate to the condition of the property, permitted or unpermitted uses, zoning, square footage, lot size/acreage or other matters affecting value or desirability. Unless otherwise indicated in writing, neither brokers, agents nor Theo have verified, or will verify, such information. If any such information is important to buyer in determining whether to buy, the price to pay or intended use of the property, buyer is urged to conduct their own investigation with qualified professionals, satisfy themselves with respect to that information, and to rely solely on the results of that investigation.

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