San Roman Land at 6401 Camino Tassajara is an opportunity to purchase a combined 1,432 acres of prime agricultural preserve land and own a sizable ranch in the eastern Contra Costa County foothills. The property consists of three parcels. Two parcels, APN 205-060-004 (308 acres) and 205-060-009 (287.32 acres), are at the southern end of the offering, and one parcel, APN 205-050-007 (837.77 acres), is at the northern end. The two parcels, ending in 004 and 009, named Moller Ranch, are located at the southern end of the property. These parcels span a total of 595 acres and are encumbered by a conservation easement covering 532 acres. The uses for these lots is limited by a Habitat Mitigation and Management Plan (HMMP) restricting use on 532.3 acres of the property, which preserves the land for wildlife habitat and future development. The entire 1,432-acre property is encumbered by a grazing easement. While the southern portion of the property's usage is restricted beyond the two development sites, the northern parcels ending in 007 are permitted for various types of agricultural use according to the county zoning code. This 837-acre lot consists entirely of rangeland and is used as winter pasture for a larger cow-calf operation.
Lot/land
$4,200,000
6401 Camino Tassajara, San Ramon, CA 94583
--beds
0baths
1,432Acres
Unimproved Land
Built in ----
1,432 Acres Lot
$-- Zestimate®
$--/sqft
$-- HOA
What's special
Prime agricultural preserve landSizable ranch
- 278 days |
- 356 |
- 13 |
Zillow last checked: 7 hours ago
Listing updated: October 29, 2025 at 02:32pm
Listed by:
Alex Stumpf DRE #02249672 415-398-3381,
Alex Stumpf, Broker 415-398-3381
Source: SFAR,MLS#: 425076998
Originating MLS: San Francisco Association of REALTORS
Facts & features
Interior
Bedrooms & bathrooms
- Bathrooms: 0
Interior area
- Total structure area: 0
Property
Features
- Fencing: Cross Fenced
- Has view: Yes
- View description: Hills
Lot
- Size: 1,432 Acres
- Features: Pasture
- Topography: Hillside,Hilly
- Residential vegetation: Grassed
Details
- Additional structures: None
- Additional parcels included: 2050600044 & 20506000903
- Parcel number: 2050500079
- Zoning: A-80
- Zoning description: Agricultural/Residential,Livestock,Other
- Special conditions: Standard
Utilities & green energy
- Water: Agricultural Well, Cistern
- Utilities for property: Electric TBD
Community & HOA
HOA
- Has HOA: No
Location
- Region: San Ramon
- Elevation: 0
Financial & listing details
- Price range: $4.2M - $4.2M
- Date on market: 7/4/2025
- Cumulative days on market: 139 days
- Listing terms: Call Listing Agent
- Total actual rent: 25776
- Road surface type: Dirt, Gravel
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 10/16/2025 | Price change | $4,200,000-13.4% |
Source: | ||
| 9/26/2025 | Listed for sale | $4,850,000 |
Source: | ||
Public tax history
Public tax history
Tax history is unavailable.Monthly payment
Estimated monthly payment
All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 94583
Nearby schools
GreatSchools rating
- 9/10Tassajara Hills Elementary SchoolGrades: K-5Distance: 2 mi
- 9/10Diablo Vista Middle SchoolGrades: 6-8Distance: 2.5 mi
- 10/10Monte Vista High SchoolGrades: 9-12Distance: 8.1 mi
Local experts in 94583
- California
- Contra Costa County
- San Ramon
- 94583
- 6401 Camino Tassajara





