Tree Maintenance at former Sonoma Developmental Center


SCH Number
Public Agency
Department of General Services (DGS)
Document Title
Tree Maintenance at former Sonoma Developmental Center
Document Type
NOE - Notice of Exemption
Document Description
The project proposes trees and vegetation maintenance at the former Sonoma Developmental Center, per the recommendations of a detailed licensed arborist inventory and assessment. The work includes felling of dead or diseased trees, pruning of dead and broken limbs and branches, and removing mistletoe and applying mistletoe inhibitor consistent with all applicable laws and regulations regarding the application, and removing vines from buildings. Other services include material and debris hauling, chipping, stump grinding, and supplying topsoil to restore surfaces. The project is conditioned to perform nesting bird surveys should field work be performed during nesting bird season and includes best management practices protecting soil and water resources from contamination, and traffic control measures to protect vehicles and pedestrians in the area. The project would remove imminent hazards and improve pedestrian safety and protect property from damage.

Contact Information

Jennifer Parson
Agency Name
Contact Types
Lead/Public Agency


Northern California
Cross Streets
15000 Arnold Drive
Other Location Info
Former Sonoma Developmental Center

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Section 15301 – Existing Facility
Reasons for Exemption
The activity consists of tree and vegetation removal and maintenance and minor alteration of the existing facility vegetation landscape. While former SDC landscape is eligible for listing as an historic resource, the State determined that the proposed activity is compatible would not adversely impact the character defining features of the district’s historic resource. The project will not have a significant effect on other resources in the area. State confirms that no exceptions apply that would preclude the use of an exemption for this project.


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