The County Charter (Section 1000.1) and the Fair Political Practices Commission (FPPC) have specific reporting requirements for any gifts or campaign contributions to County officials or the County. For reporting requirements, visit the Clerk of the Board's disclosure information page.
Below is a list of required State and local filings that are on file with the Clerk of the Board of Supervisors.
| Filer's Name | Meeting Date | Date Filed |
| West Publishing Corporation | 5/10/11 | 5/03/11 |
| WAVE Technology Solutions Group | 9/28/10 | 9/17/10 |
| Advance Database Management | 9/28/10 | 9/17/10 |
| NOVA Commercial Company Inc. | 4/27/10 | 4/19/10 |
| Jani-King of California Inc. | 4/27/10 | 4/19/10 |
| ISS Facilities Services Inc. | 4/27/10 | 4/19/10 |
| Rocket Enterprises | 10-21-09 | 10-12-09 |
| Heritage Security Services | 06-17-09 | 06-05-09 |
| Keyser Marston Assoc | 05-12-09 | 05-08-09 |
| Valley Crest Landscape Development | 05-13-09 | 05-01-09 |
| Correctional Alternatives, Inc.. | 2-10-09 | 2-2-09 |
| T.Y. Lin International | 11-19-08 | 11-5-08 |
| Lim and Nascimento Engineering Coorporation | 6-18-08 | 5-22-08 |
| Steve Middlekauff, EDS | 5-6-08 | 4-28-08 |
| Wadell Engineering Corporation | 4-23-08 | 4-02-2008 |
| Love Enterprises Real Estate Group | 4-08-08 | 3-26-2008 |
| DHI Water & Environment, Inc. | 3-26-08 | 3-17-2008 |
| San Pasqual Academy Foundation | 11-06-07 | 11-26-2007 |
| Geosyntec Consultants | 11-07-07 | 10-31-2007 |
| David Evans and Associates, Inc. | 10-17-07 | 09-26-2007 |
| Project Design Consultants | 9-19-07 | 09-5-2007 |
| Mendoza & Associates | 7-25-07 | 07-2-2007 |
| Lowe Enterprises Real Estate Group - West, Inc. | 7-24-07 | 07-18-2007 |
| Mendoza & Associates | 2-7-07 | 01-24-2007 |
| Project Design Consultants | 2-7-07 | 01-24-2007 |
| Wadell Engineering Corp. | 11-15-06 | 11-01-2006 |
| Harris & Associates, Inc. | 9-27-06 | 09-13-2006 |
| LINTVEDT, McColl & Associates | 9-27-06 | 09-13-2006 |
| RBF Consulting | 9-27-06 | 09-13-2006 |
| Nolte Associates, Inc. | 9-27-06 | 09-11-2006 |
| Nasland Engineering | 9-27-06 | 09-11-2006 |
| PSOMAS | 9-27-06 | 09-11-2006 |
| Lim & Nascimento Engineering Corp. | 9-27-06 | 08-30-2006 |
| PBS & J | 9-27-06 | 08-30-2006 |
| Simon Wong Engineering | 9-27-06 | 08-30-2006 |
| Technology Associates International Corp. (TAIC) | 8-2-06 | 07-21-2006 |
| Dudek & Associates, Inc. | 8-2-06 | 07-21-2006 |
| WEST Consultants, Inc | 8-2-06 | 07-18-2006 |
| Recon Environmental, Inc | 8-2-06 | 07-18-2006 |
| EDAW, Inc | 8-2-06 | 07-18-2006 |
| Winzler & Kelly Consulting Engineers | 8-2-06 | 07-12-2006 |
| Parsons Brinckerhoff Quade & Douglas, Inc | 8-2-06 | 06-29-2006 |
| Berryman & Henigar | 8-2-06 | 06-29-2006 |
| Wadell Engineering Corp | 7-19-06 | 06-22-2006 |
| Leighton Consulting | 6-14-06 | 06-06-2006 |
| Community Research Foundation, Inc | N/A | 05-19-2006 |
| Collaborative Services | 3-1-06 | 01-27-2006 |
| West Coast General Corporation | 3-1-06 | 02-15-2006 |
| Kimley-Horn and Associates | 2-1-06 | 01-25-2006 |
| Infrastructure Engineering Corp | 1-25-06 | 01-23-2006 |
| RBF Consulting | 2-1-06 | 01-20-2006 |
| Ninyo & Moore | 2-1-06 | 01-20-2006 |
| RBF Consulting | 2-1-06 Flood | 01-20-2006 |
| Wadell Engineering Corp. | 2-1-06 | 01-17-2006 |
| Northrop Grumman IT Inc | 1-24-06 | 01-13-2006 |
| Rick Engineering Company | 2-1-06 Flood | 01-11-2006 |
| Nolte Associates, Inc. | 2-1-06 | 01-10-2006 |
| Nolte Associates, Inc | 1-25-06 | 01-10-2006 |
| Boyle Engineering Corporation | 1-25-06 | 12-29-2005 |
| Project Design Consultants | 1-25-06 | 12-23-2005 |
| FCI Constructors Inc | 12-14-05 | 11-28-2005 |
| Pountney Psomas | 12-07-05 | 11-18-2005 |
| Nasland Engineering | 12-07-05 | 11-18-2005 |
| Carollo Engineers, P.C. | 12-07-05 | 11-07-2005 |
| Boyle Engineering Corporation | 12-07-05 | 10-26-2005 |
| Basin Water, Inc. | 11-02-05 | 10-20-2005 |
| Rick Engineering Company | 10-19-05 | 10-11-2005 |
| Infrastructure Engineering Corp | 9-21-05 | 09-14-2005 |
| PBS&J | 8-02-05 | 07-28-2005 |
| Jones & Stokes Associates | 8-02-05 | 07-28-2005 |
| Berryman & Henigar | 8-02-05 | 07-28-2005 |
| The Louis Berger Group, Inc. | 8-02-05 | 07-28-2005 |
| Boyle Engineering Corp. | 8-02-05 | 07-28-2005 |
| Rick Engineering Company | 8-02-05 | 07-27-2005 |
| EDAW, Inc. | 8-02-05 | 07-22-2005 |
| Electronic Data System (EDS) Corp. | 8-02-05 | 07-26-2005 |
| Domingo Antonio Lopez-Velez, M.D. | 8-02-05 | 07-20-2005 |
| Robert Jerskey, O.T. | 8-02-05 | 07-20-2005 |
| Infrastructure Engineering Corp. | 7-27-05 | 07-22-2005 |
| FCI Constructors, Inc. | 7-27-05 | 07-12-2005 |
| URS Corporation | 6-22-05 | 06-16-2005 |
| Mendoza & Associates | 6-22-05 | 06-16-2005 |
| Lim & Nascimento Eng. Corp. | 6-22-05 | 06-16-2005 |
| PBS&J | 6-22-05 | 06-16-2005 |
| Simon Wong Engineering. | 6-22-05 | 06-16-2005 |
| Harris & Associates, Inc. | 6-22-05 | 06-16-2005 |
| Kimley Horn & Associates. | 6-22-05 | 06-10-2005 |
| Lim & Nascimento Eng. Corp. | 4-20-05 | 03-29-2005 |
| Rick Engineering Company | 4-20-05 | 04-06-2005 |
| EDAW, Inc | 4-13-05 | 03-29-2005 |
| Community Research Foundation, Inc | N/A | 04-01-2005 |
| Jones & Stokes Associates | 4-13-05 | 03-25-2005 |
| LSA Associates, Inc. | 4-13-05 | 03-15-2005 |
| RECON Environmental, Inc. | 4-13-05 | 03-25-2005 |
| WEST Consultants, Inc. | 3-02-05 | 02-10-2005 |
| Collaborative Services | 3-02-05 | 02-10-2005 |
| PBS&J | 3-02-05 | 02-10-2005 |
| Simon Wong Engineering, Inc. | 3-02-05 | 02-22-2005 |
| Mooney, Jones & Stokes | 2-09-05 | 01-20-2005 |
| Kimley-Horn & Associates | 2-09-05 | 01-19-2005 |
| RECON Environmental, Inc. | 2-09-05 | 01-19-2005 |
| GeoSyntec Consultants | 2-09-05 | 01-12-2005 |
| David Evans & Associates, Inc. | 2-09-05 | 01-26-2005 |
| BearingPoint Inc. | 2-08-05 | 02-04-2005 |
| BearingPoint inc. - Johnson | 2-08-05 | 01-25-2005 |
| BearingPoint Inc. - Young | 2-08-05 | 01-26-2005 |
| BearingPoint Inc. - Lobbyist. | 2-08-05 | 01-28-2005 |
| Wadell Engineering Corp. | 1-05-05 | 12-21-2004 |
| Infrastructure Engineering Corp. | 9-22-04 | 09-03-2004 |
| Basin Water Technology Group | 9-22-04 | 09-16-2004 |
| Kimley-Horn & Associates, Inc. | 8-18-04 | 08-04-2004 |
| Mooney & Associates | 8-18-04 | 08-04-2004 |
| RECON Environmental, Inc. | 8-18-04 | 08-04-2004 |
| NASLAND Engineering | 8-18-04 | 08-13-2004 |
| Dokken Engineering | 8-18-04 | 08-13-2004 |
| Willdan. | 8-18-04 | 08-13-2004 |
| PBS&J | 7-28-04 | 07-14-2004 |