Mark G. Mastroianni for District Attorney | Proximity Candidate Community

Software Powering Democracy

Sign up for our newsletter with news and resources from the Proximity community.

Candidates About Proximity For Candidates Contact Us Website

hello@proximityimpact.com

© 2026 Proximity | All rights reserved.

Privacy Policy|Terms of Use|CA Privacy

Mark G. Mastroianni for District Attorney | Proximity Candidate Community