Located in Alameda County, California, within the historic tidal marshlands of South San Francisco Bay, the South Bay Mouse Full Delivery/ Turnkey Mitigation Site is a permittee-responsible mitigation (PRM) site dedicated to the long-term conservation of the Salt marsh harvest mouse (Reithrodontomys raviventris), a species federally and stately listed as endangered. 

This 22-acre preserve offers a permanently protected, intact tidal wetland ecosystem that provides essential habitat functions for the Salt marsh harvest mouse. The site is ideally suited for turnkey, PRM, or full delivery mitigation solutions, making it an ideal choice for developers and public agencies seeking reliable, high-quality habitat mitigation in compliance with state and federal environmental regulations. 

Whether you’re planning a new development or advancing critical infrastructure, this site delivers a proven, ready-to-go solution that meets regulatory requirements while supporting species recovery efforts. 

Looking for mitigation solutions?
The South Bay Mouse Site is available now for developers and agencies. Contact us to discuss how it can help meet your mitigation needs.  

Download the site map and KMZ files.