Mariposa County, CA Home of Yosemite
Mariposa Biomass Project
Preliminary Project Description & Overview


The Mariposa County Planning Department has received an application for a Conditional Use Permit from the Mariposa Biomass Project.  Application No. CUP 2017-117

  • The proposed project is for a 2.4 MW Bioenergy Facility and a woodchip storage yard, which would be located in the Mariposa Industrial Park.
  • The project parcels are 2.86 and 2.41 acres and located at 5673/5686 Copper Leaf Dr., Mariposa.  APN’s 012-050-066 and 012-050-067
  • Parcels are in the Mountain General zone and in the Natural Resources land use designation within the Expanded Mariposa Town Planning Study Area. 
  • The site is also subject to PDZ 87-1 (Ordinance 696), which will regulate the development of this project.

The project requires a conditional use permit, environmental review and future public hearings.

Agency Commenting & Preliminary Review
The Agency commenting request is underway. This step solicits comments from agencies and departments with regulatory purview over aspects of the proposed project. This step is not designed for public comments.

As the project moves forward there will be many steps including multiple opportunities for public comment on the project.

Until that occurs, additional project details are included in the Agency Request for Comments  that may be found at:

Mariposa Biomass  Preliminary Agency Comment & Project Submittals

This web page will be updated as the project progresses so please check back for additional information.

If you have any questions please feel free and contact the project planner:

Steve Engfer

Thank you !


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5100 Bullion St.  |  Mariposa, CA 95338  |  Telephone Numbers

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