Henry Mayo Newhall Hospital Master Plan Second Amendment Project

14 Documents in Project


SCH Number
Lead Agency
City of Santa Clarita
Document Title
Henry Mayo Newhall Hospital Master Plan Second Amendment Project
Document Type
SIR - Supplemental EIR
Present Land Use
Existing Hospital/Specific Plan
Document Description
The Project involves an amendment to the approved 2016 Specific Plan for the Henry Mayo Newhall Hospital (HMNH) and a second amendment to the 2008 Master Plan and Development Agreement for the HMNH. The revisions would allow for the development of up to 200,000 square feet of building area for a new Diagnostic and Treatment Building, a new Inpatient Building, and up to 292 new parking spaces to be added to an existing parking facility (PS-4) through the addition of three aboveground levels to the existing structure. With the proposed amendments, the total buildout capacity of hospital and medical office space within the Master Plan and Specific Plan area would increase from 698,000 square feet to 898,000 square feet.

Contact Information

David Peterson
Agency Name
City of Santa Clarita
Contact Types
Lead/Public Agency

Agency Name
Henry Mayo Newhall Hospital
Contact Types
Project Applicant


Santa Clarita
Los Angeles
Southern California
Cross Streets
McBean Parkway and Orchard Village Road
Total Acres
Parcel #
2861-073-010, 2861-073-011, 2861-073-012
State Highways
Meadows Elementary School, Hart High School
Santa Clara River

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Parks and Recreation, California Department of Transportation, District 7 (DOT), California Department of Water Resources (DWR), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Office of Statewide Health Planning and Development (OSHPD), California Regional Water Quality Control Board, Los Angeles Region 4 (RWQCB), California State Lands Commission (SLC), State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Water Quality
Development Types
Other (Medical Facilities)
Local Actions
Project Issues
Aesthetics, Air Quality, Cumulative Effects, Hydrology/Water Quality, Noise, Sewer Capacity, Transportation


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