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125 E Sylvestris Drive, 
San Geronimo, CA 94963

$2,999,999


4

Beds


5

Baths


6,248

Sq Ft


Single Family

Active

Listed by

Peter Maselli

Simon Raya

Last updated:

September 14, 2026, 02:39 PM

MLS#

326033463

Source:

CABAREIS

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About This Home

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.

Home Facts

Single Family

5 Baths

4 Bedrooms

Built in 1996

Price Summary

2,999,999

$480 per Sq. Ft.

MLS #:

326033463

Last Updated:

September 14, 2026, 02:39 PM


Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

5

Full Bathrooms:

4

Interior

Living Area:

6,248 Sq. Ft.


Structure

Structure

Architectural Style:

Contemporary, Mediterranean

Building Area:

6,248 Sq. Ft.

Year Built:

1996


Lot

Lot Size (Sq. Ft):

470,012


Finances & Disclosures

Finances

Price:

$2,999,999

Price per Sq. Ft:

$480 per Sq. Ft.

125 E Sylvestris Drive
Source:CABAREIS
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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.