125 E Sylvestris Drive
San Geronimo, CA, 94963
$2,999,999
4 Beds
5 Baths
6,248 SqFt
10.79 Acres
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.
Property Details
Price:
$2,999,999
MLS #:
326033463
Status:
Active
Beds:
4
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
sangeronimovalley
Finished Sq Ft:
6,248
Lot Size:
470,012 sqft / 10.79 acres (approx)
Year Built:
1996
Days on Market:
5
List Date:
May 2, 2026
Interior
Appliances
Dishwasher, Double Oven, Gas Cook Top, Gas Plumbed, Microwave
Basement
Partial
Cooling
Other
Electric
Battery Backup, 220 Volts
Flooring
Tile
Full Bathrooms
4
Half Bathrooms
1
Heating
Radiant Floor
Interior Features
Cathedral Ceiling
Kitchen Features
Breakfast Area, Island, Quartz Counter
Laundry Features
Dryer Included, Washer Included
Levels
Two
Master Bedroom Features
Closet, Sitting Area, Walk- In Closet 2+
Exterior
Construction
Metal, Stucco
Driveway/Sidewalks
Gated, Paved Driveway
Exterior Features
Balcony
Foundation
Raised
Lot Features
Landscape Front, Secluded
Parking Features
Detached, See Remarks
Pool
No
RESIVIEW
Mountains, Panoramic, Valley
Roof
Elastomeric, Foam
Security Features
See Remarks
Spa
Yes
Stories
2
Financial
HOA
No
Map
All map details are google-generated and can contain errors. Lot lines and building locations are fuzzy. See Official plat maps for more accurate information.
Community
- Address125 E Sylvestris Drive San Geronimo CA
- CitySan Geronimo
- CountyMarin
- Zip Code94963
Similar Listings Nearby
Copyright 2026, Bay Area Real Estate Information Services, Inc. All Rights Reserved. Listing courtesy of Peter Maselli at Coldwell Banker Realty
125 E Sylvestris Drive
San Geronimo, CA


