18085 Oak Tree Rd, Nevada City, CA 95959

• 3 beds |
• 2 baths |
• 2,666 sqft

Property Description

Discover an unparalleled sanctuary where ancient craftsmanship meets modern off-grid luxury, locally known as the Cob Mahal! This 81-acre estate is a masterwork of eco-conscious design, featuring an earthen eco-home, meticulously hand-sculpted from cob (monolithic adobe) and straw bale. The approx two-foot-thick walls combined with the substantial thermal mass with high-efficiency insulation combine to create a seamless passive solar experience. The result is a home that maintains a comfortable temperature year-round along with the wood burning fireplace & stays naturally cool in the summer. Oriented due south, the home is bathed in natural light through expansive glazing, highlighting interior walls finished in white kaolin clay plaster and a traditional poured adobe floor downstairs. At its heart, a massive Douglas fir timber frame milled on-site showcases authentic mortise and tenon joinery, rising to hand-finished ceilings. The property is a true wellness retreat, designed for those seeking a private haven. The home & land border a spiritual, intentional community based on yoga & meditation.The three large custom Damanhurian stone spirals, built by artisans from Northern Italy serve as powerful tools for meditation and energetic alignment. The earthen sweat lodge is a sacred space for detoxification and spiritual renewal, perfectly integrated into the natural landscape. Mountain vistas & breathtaking views of snow-capped Sierra peaks provide a dramatic backdrop to your 81-acre private forest. Off-Grid Mastery: A robust solar system installed by the experts at California Solar in Grass Valley ensures a sophisticated, self-sustaining lifestyle. The well has 20K gallons of water storage. Heritage Materials: The structure is topped with a metal roof and premium Vermont green slate siding on the dormers, built to endure for centuries.Fenced garden & orchard and a detached art studio close to the home. Located close to the majestic Yuba River, a short drive to historic downtown Nevada City and endless recreation in the Tahoe National forest. Minutes to Mother Truckers for convenient shopping.This property transcends traditional luxury; it is a legacy estate for the discerning buyer who values non-toxic living, artistic expression, and a deep connection to the Earth. Whether used as a world-class retreat center or a private family sanctuary, this home represents the pinnacle of sustainable luxury & beauty.

Listing Status:

Active

Data Last Updated:

April 3, 2026 at 7:31AM

Listing Office:

Coldwell Banker Grass Roots Realty : 2737293

Listing Agent:

Pamela M Morey : 530 9137308

MLS ID:

226012634

Interior

• General: Cathedral CeilingOpen Beam Ceiling
• Rooms: Bedroom(s)Dining RoomMaster BedroomFull Bath(s)KitchenBedroom(s)Full Bath(s)
• Master Bedroom: Sitting RoomWalk-In ClosetOutside Access
• Kitchen: Butlers Pantry
• Appliances: Free Standing Gas RangeFree Standing RefrigeratorGas Cook TopDishwasherTankless Water HeaterFree Standing Gas Oven
• Dining: Formal Area
• Living Room: Cathedral/VaultedDeck AttachedGreat RoomViewOpen Beam Ceiling
• Family Room: Deck AttachedGreat RoomOpen Beam Ceiling
• Laundry: SinkInside AreaInside Room
• Flooring: WoodSee RemarksOther
• A/C: Ceiling Fan(s)See Remarks
• Heating: Wood Stove
• Fireplace: Living RoomWood BurningFireplaces: 1

Exterior

• Style: CraftsmanOther
• Other Structures: Shed(s)StorageWorkshopOutbuilding
• Parking: No GarageRV PossibleGuest Parking AvailableParking spaces: 0

Construction

• Roofing: MetalSee Remarks
• General: AdobePlasterCeiling InsulationConcreteStrawStuccoWall InsulationWoodLogMasonry UnreinforcedCombinationConcreteOther

Location

• Road/Access: Gravel
• HOA Amenities: 0.0
• Originating MLS: MLS Metrolist
• School District: Nevada
• County: Nevada

Lot

• Topography: RollingForestRidgeTrees Many
• Zoning: 061-190-061-000
• View: CanyonPanoramicRidgeForestValleyMountains
• Fencing: Partial

Utilities

• Utilities: SolarOff GridPropane Tank LeasedBattery BackupGenerator
• Water: Well
• Sewer: Septic Connected

Financial

• Source: MLS Metrolist