125 E Sylvestris Drive

Get ready for State Rock Ranch, an epic 10+ acre luxury estate in West Marin's San Geronimo Valley, tucked among towering redwoods. This isn't just a home, it's a lifestyle, a legacy, a total game-changer. Comprised of two parcels, this offering presents a rare opportunity to build a second residence and create a true private compound in one of Marin's most serene settings. Direct gate access to Giacomini Preserve, Cascade Canyon, Hunt Camp Fire Road, and MMWD trails leading to Mount Tam. Off-grid ready with 50+ solar panels, lead-acid batteries, dual propane generators, and lightly used PG&E 400 amp service. Fully self-sufficient with 3 wells, pressurized septic, Starlink, and Comcast. Private trails wind through the property, connecting to Marin's vast open space. Wildlife is abundant with deer, hawks, owls, coyotes, and more.A serpentine lined pond showcases California's state rock and unique natural beauty.The residence offers 4 beds, 5 baths, including 6,200 sq ft of living space with a flexible two-level layout ideal for multigenerational living or guests. Highlights include a glass-wrapped living room with stunning views of Roy's Redwoods, gourmet kitchen, theater room, and EV-ready garage with pre-wired lifts. Recent upgrades include black-trim windows, refinished deck, spray foam roof, and enhanced security.A rare chance to own unmatched privacy with expansion potential.

Days on Market

2 days

Current Status

Active

Original Price

$2,999,999

List Price

$2,999,999

On Market Date

Apr 30, 2026

Property Type

Single Family Residence

Area

San Geronimo Valley

Zip Code

94963

MLS ID

326033463

APN

169-341-02

Year Built

1996

Stories in Building

Unavailable

Possession

Close Of Escrow

Data Source

BAREIS

Origin MLS System

Bed

4

Bath

5 (4/1)

Double Sinks, Skylight/Solar Tube, Soaking Tub, Stone

Parking

14

Detached, See Remarks

SQ FT

6,248

SQ FT Source

Assessor Auto-Fill

Lot SQ FT

470,012.0

Lot Acres

10.79 Acres

Kitchen

Breakfast Area, Island, Quartz Counter

Cooling

Other

Dining Room

Breakfast Nook

Exterior Details

Balcony

Flooring

Tile

Foundation

Raised

Heating

Radiant Floor

Laundry

Dryer Included, Washer Included

Main Level

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

Views

Mountains, Panoramic, Valley

Possession

Close Of Escrow

Basement

Partial

Architectural Style

Contemporary, Mediterranean

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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