Mark Greenspan, Major Grading Permit / GRAD2022-00029


SCH Number
Lead Agency
San Luis Obispo County
Document Title
Mark Greenspan, Major Grading Permit / GRAD2022-00029
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Document Description
A request by Mark Greenspan for a major grading permit (GRAD2022-00029) to allow for the construction of a 2,730 square foot (sf) single-family residence, a 692-sf attached garage, 790 sf covered patio, new septic system, and grading for a driveway. The proposed project will result in approximately 1.90 acres of site disturbance, 586 cubic yards of cut and 423 cubic yards of fill on the 20.56-acre parcel, with grading occurring on slopes of up to 15%. The parcel is within the Agricultural land use category and is located at 6111 Iron Gate Rd in the community of Creston, in the El Pomar-Estrella Sub-area of the North County Planning Area. A Mitigated Negative Declaration is being prepared for this project as the property is within the mapped San Joaquin Kit Fox Habitat Corridor. The project is within the Paso Robles Groundwater Basin. A Phase 1 cultural survey was conducted by Applied EarthWorks, Inc. in March 2023 for the entire 20.56-acre parcel which yielded negative findings.

Contact Information

Dane Mueller
Agency Name
County of San Luis Obispo
Job Title
Contact Types
Lead/Public Agency


Unincorporated Area (Community of Creston)
San Luis Obispo
Cross Streets
Iron Gate Road and Fox Hollow Road
Parcel #
State Highways
Hwy 41 and Hwy 229
Creston Elementary School
West Branch Huerhuero Creek and unnamed intermittent stream

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Fish and Wildlife, Central Region 4 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Transportation, District 5 (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, Central Coast Region 3 (RWQCB), Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Drinking Water, District 6, State Water Resources Control Board, Division of Water Rights
Development Types
Residential (Units 1, Acres 1.90)
Local Actions
Other: Major Grading Permit
Project Issues
Biological Resources, Cumulative Effects, Land Use/Planning
Local Review Period Start
Local Review Period End


Notice of Completion [NOC] Transmittal form

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