125 E Sylvestris Drive San Geronimo, CA 94963
Listing Courtesy of: BAREIS / Coldwell Banker Realty / Peter Maselli / Simon Raya

  125 E Sylvestris Drive San Geronimo, CA 94963

Active (3 Days)
$2,999,999 (USD)
4
BED
5
BATH
6,248
SQFT

Description

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.

MLS #:
326033463
Lot Size
10.79 acres
Type
Single-Family Home
Year Built
1996
Style
Contemporary, Mediterranean
Views
Mountains, Panoramic, Valley
County
Marin County

Listed By

Peter Maselli, DRE #02054402 CA, Coldwell Banker Realty
Simon Raya, DRE #01924065 CA, Coldwell Banker Realty
Source
BAREIS
Last checked May 3 2026 at 4:17 PM GMT+0000
Bathroom Details
  • Full Bathrooms: 4
  • Half Bathroom: 1
Kitchen
  • Breakfast Area
  • Island
  • Dishwasher
  • Double Oven
  • Microwave
  • Quartz Counter
  • Gas Cook Top
  • Gas Plumbed
Lot Information
  • Secluded
  • Landscape Front
Property Features
  • Foundation: Raised
Heating and Cooling
  • Radiant Floor
  • Other
Pool Information
  • No
Flooring
  • Tile
Exterior Features
  • Roof: Foam
  • Roof: Elastomeric
Utility Information
  • Utilities: Electric, Cable Available, Solar, Cable Connected, Underground Utilities, Propane Tank Owned, Off Grid, Public
  • Sewer: Septic System
Garage
  • Detached
  • See Remarks
Stories
  • 2
Living Area
  • 6,248 sqft
Location
   
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Estimated Monthly Mortgage Payment

*Based on Fixed Interest Rate withe a 30 year term, principal and interest only

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Disclaimer: Listing Data © 2026 Bay Area Real Estate Information Services, Inc. All Rights Reserved. Data last updated: 5/3/26 09:17