2-Lot Residential Subdivision, County File #CDMS25-00003
Summary
SCH Number
2026070410
Lead Agency
Contra Costa County
Document Title
2-Lot Residential Subdivision, County File #CDMS25-00003
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Zoning: R-40 Single-Family Residential District / General Plan: Residential Very Low-Density (RVL)
Document Description
The applicant seeks approval of a Tentative Parcel Map to subdivide a 1.9-acre property into 2 new residential parcels (Parcel A: 42,899.4 square-feet and Parcel B: 40,028.3 square-feet) with two variance requests to allow both parcels to have an average lot width of less than the 120-feet minimum required (Parcel A: 85-feet and Parcel B: 87-feet) and four exception requests to County’s Subdivisions Ordinance (1. Section 96-10.004 – “Underground Utilities” to not be required to ground existing utilities, 2. Section 96-14.0002 – “Improvement of County Streets” to not be required to install frontage improvements, 3. Section 914-2.002 – “Collect and Convey” to be permitted to only maintain the existing drainage pattern, and Section 914-12.010 – “Detention Basins - Maintenance” to permit private maintenance of onsite detention structures instead of the required public maintenance). The project also includes: removal of 21 onsite trees and work within the dripline of 22 onsite trees to remain, reconstruction of the existing driveway into a private road, demolition of the existing detached garage and two shed buildings, and approximately 1,260 cubic yards of grading (160 cubic yards of cut and 1,100 cubic yards of fill).
Contact Information
Name
Dominique Vogelpohl
Agency Name
Contra Costa County, Department of Conservation and Development
Job Title
Senior Planner
Contact Types
Lead/Public Agency
Address
Phone
Name
Michael Milani
Agency Name
Milani & Associates
Job Title
Principal Civil Engineer
Contact Types
Project Applicant
Phone
Email
Location
Coordinates
Cities
Diablo
Counties
Contra Costa
Regions
Countywide, Unincorporated
Cross Streets
Caballo Ranchero Drive
Zip
94528
Total Acres
1.9
Parcel #
95-352-014
State Highways
N/A
Railways
N/A
Airports
N/A
Schools
The Athenian School
Waterways
Green Valley Creek, San Ramon Creek
Township
1S
Range
1W
Section
15
Base
Diablo
Notice of Completion
State Review Period Start
State Review Period End
State Reviewing Agencies
California Department of Conservation (DOC), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 4 (DOT), California Department of Water Resources (DWR), California Fish and Game Commission (CDFGC), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), California State Coastal Conservancy (SCC), Delta Protection Commission, Delta Stewardship Council, Office of Historic Preservation, San Francisco Bay Conservation and Development Commission (BCDC), State Water Resources Control Board, Division of Drinking Water
Development Types
Residential (Units 2, Acres 1.9)
Local Actions
Land Division (Subdivision, etc.)
Project Issues
Aesthetics, Air Quality, Biological Resources, Cultural Resources, Noise, Tribal Cultural Resources
Public Review Period Start
Public Review Period End
Attachments
Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]
Notice of Completion [NOC] Transmittal form
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