Conco Industrial Subdivision - County Files #SD17-9459 & #LP14-2046

2 Documents in Project


SCH Number
Lead Agency
Contra Costa County
Document Title
Conco Industrial Subdivision - County Files #SD17-9459 & #LP14-2046
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Present Land Use: Vacant, Zoning: Heavy Industrial (H-1), General Plan: Heavy Industry (HI) and Open Space (OS)
Document Description
The applicant requests approval of a tentative map to subdivide a 66.57-acre portion of the project site (APN 159-250-018, -019) into six individual industrial lots. Included is a request for approval of a land use permit to allow 1) the establishment of up to five contractor's yard uses (1 immediate, 4 future); 2) roadway and utility improvements impacting three additional parcels (APN 159-250-020, -021, -022); and 3) importation of up to 155,576+/- cubic yards of fill material, some of which is composed of lightweight confoam material. Lastly, the proposed project also consists of the following secondary elements:

Contact Information

Sean Tully
Agency Name
Contra Costa County, Dept. of Conservation and Development
Contact Types
Lead/Public Agency

Agency Name
Gonsalves and Santucci, Inc.
Contact Types
Project Applicant


Contra Costa
Cross Streets
Waterbird Way and Arthur Road
Total Acres
Parcel #
159-250-018, -019, -020, -021,-022
State Highways
4, 680
BNSF, others unknown
Buchanan Field
Walnut Creek, Pacheco Creek, Suisun Bay

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
Air Resources Board, Major Industrial Projects, Cal Fire, California Department of Parks and Recreation, California Department of Transportation, District 4 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), Caltrans, Division of Aeronautics, Department of Toxic Substances Control, Resources Agency, State Water Resources Control Board, Division of Water Quality, California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
State Reviewing Agency Comments
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
Development Types
Industrial (Acres 69.06)
Local Actions
Use Permit, Land Division (Subdivision, etc.)
Project Issues
Aesthetics, Air Quality, Biological Resources, Cultural Resources, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality


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