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
Project Applicant
Gonsalves and Santucci, Inc.
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
Contra Costa County, Dept. of Conservation and Development
30 Muir Rd
Martinez, CA 94553

Phone : (925) 674-7800


38°1'8.32"N 122°4'29.52"W
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

Review Period Start
Review Period End
Development Type
Industrial (69.06 Acres)
Local Action
Use Permit Subdivision
Project Issues
Aesthetic/Visual Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Flood Plain/Flooding Geologic/Seismic Soil Erosion/Compaction/Grading Toxic/Hazardous Water Quality
Reviewing Agencies
Air Resources Board, Major Industrial Projects Cal Fire California Department of Parks and Recreation California Department of Transportation, District 4 California Highway Patrol California Native American Heritage Commission California Public Utilities Commission California Regional Water Quality Control Board, San Francisco Bay Region 2 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


Environmental Document
CEQA Notice of Preparation   PDF 224 K NOP Maps   PDF 173 K SD17-9459 Initial Study   PDF 959 K SD17-9459 MMP   PDF 191 K
NOC   PDF 1739 K
State Comments
2019079103_CDFW_Conco Industrial Subdivision-Tully-GRIFFIN083019   PDF 3537 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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