California Advanced Services Fund (CASF) Infrastructure Grant - Apply for a Grant on or before May 1, 2019

Program Overview and Important Information

Applying for Funds

Applications may be submitted electronically either as a "word" version to CASF_Application_Questions@cpuc.ca.gov or via the CASF portal at https://efast.cpuc.ca.gov/

Applicants must also mail a separate paper copy to:


Public Advocates Office
Re: California Advanced Services Fund
California Public Utilities Commission
505 Van Ness Ave.
San Francisco, CA 94102


The submitted document must be clear and legible.

Applicants must also submit their project summaries to a distribution list maintained by staff.

Project Development Resources

The CASF Application Tool in the California Interactive Broadband Availability Map can be used to select simple proposed project areas and export key information to an excel workbook.  

Statewide datasets can also be downloaded for more complex project development and analysis:

  • CASF Application Tool GIS data Census Blocks
  • Census Block Groups
  • Community Anchor Institutions
  • Census Block CASF Application Tool data  
  • Census Block Group CASF Application Tool data
  • More information can be found at Broadband Maps and GIS Data

Annual Right Of First Refusal (ROFR) Letter

The Right of First Refusal (ROFR) must be received by January 15 of each year, detailing areas where an existing facilities-based broadband provider intends to upgrade service within 180 days. An ROFR may be renewed only with the agreement of the Commission, and only in the event of delays outside the provider’s control. Further information on how to file an ROFR is available in the Program Rules.

Pre-Award Submissions and Funded Projects

CASF Applications (Project Summaries)

Right of First Refusal Submissions from Incumbent Providers

Commission-Approved CASF Projects  


Immigration Guide