Overview
San Mateo County’s FY 2025-26 adopted budget totals $5,497,508,381 across all funds: $4,749,948,154 governmental and $747,560,227 other funds. The General Fund is $4,004,875,924 — nearly three-quarters of the all-funds total. By function, General government is the largest at $1,592,181,561 (driven by Non-Departmental Services of $1,320,134,518), followed by Health and Sanitation at $671,929,756 and Public Protection at $612,262,971. The county’s appropriation limit is $1,121,601,401.
Source: County of San Mateo, Fiscal Year 2025-26 Adopted Budget, Schedules 1, 2, 7, and 8.
At a glance — FY 2025-26 adopted
Source: County of San Mateo, Fiscal Year 2025-26 Adopted Budget.
All funds summary — Schedule 1, FY 2025-26
Governmental funds: fund balance available of $1,886,242,270 plus additional financing sources of $2,863,705,884 equals $4,749,948,154; financing uses of $4,237,872,096 plus increases to obligated balances of $512,076,058 equals the same total — exact. Other funds and all funds reconcile exactly the same way.
| General Fund | $4,004,875,924 |
| Special Revenue Funds | $210,001,096 |
| Capital Project Funds | $471,077,768 |
| Debt Service Funds | $63,993,366 |
| Total Governmental Funds | $4,749,948,154 |
| Internal Service Funds | $24,731,600 |
| Enterprise Funds | $586,132,783 |
| Special Districts and Other Agencies | $136,695,844 |
| Total Other Funds | $747,560,227 |
| Total All Funds | $5,497,508,381 |
Source: County of San Mateo, Fiscal Year 2025-26 Adopted Budget, Schedule 1.
Financing uses by function — Schedule 8, adopted
Function totals sum exactly to the Schedule 8 grand total of $4,047,942,972. That grand total sits $189,929,124 below Schedule 7’s total financing uses of $4,237,872,096; the difference is not itemized in the extracted Schedule 7 lines and is shown here as an unitemized remainder, not assigned to any function.
| General | $1,592,181,561 |
| Health and Sanitation | $671,929,756 |
| Public Protection | $612,262,971 |
| Public Assistance | $584,171,379 |
| Capital Projects | $391,440,346 |
| Public Ways and Facilities | $116,350,298 |
| Debt Service | $49,674,772 |
| Recreation | $29,931,889 |
| Grand total financing uses by function (Schedule 8) | $4,047,942,972 |
| Unitemized remainder to Schedule 7 total financing uses | $189,929,124 |
| Total financing uses (Schedule 7) | $4,237,872,096 |
Largest Schedule 8 activities within the General function: Legislation and Administration $1,359,675,485 (including Non-Departmental Services $1,320,134,518, County Executive’s Office/Clerk of the Board $33,011,088, and Board of Supervisors $6,529,879); Finance $77,306,859; Other General $90,736,854; Counsel $17,952,595; Personnel $25,972,185; Other Protection $20,537,583. Within Public Protection: Detention and Corrections $409,412,679 (including Sheriff’s Office $324,224,723 and Probation $84,570,963), Judicial $94,899,284, Other Protection $69,700,251, Fire Protection $38,250,757.
Source: County of San Mateo, Fiscal Year 2025-26 Adopted Budget, Schedules 7 and 8.
General Fund detail
The General Fund’s financing sources total $4,004,875,924: fund balance available of $1,625,590,539 plus additional financing sources of $2,379,285,385. On the uses side, financing uses of $3,598,803,619 plus increases to obligated balances of $406,072,305 equal the same total — exact. The General Fund’s total fund balance at June 30, 2025 was $1,648,119,840, of which $1,625,590,539 was available after encumbrances of $2,881,271, nonspendable/restricted/committed amounts of $8,112,311, and assigned amounts of $11,535,719.
| General Fund — fund balance available, June 30, 2025 | $1,625,590,539 |
| General Fund — additional financing sources | $2,379,285,385 |
| General Fund — total financing sources | $4,004,875,924 |
| General Fund — financing uses | $3,598,803,619 |
| General Fund — increases to obligated balances | $406,072,305 |
| General Fund — total financing uses | $4,004,875,924 |
| General Fund total fund balance, June 30, 2025 | $1,648,119,840 |
| Appropriation limit | $1,121,601,401 |
Source: County of San Mateo, Fiscal Year 2025-26 Adopted Budget, Schedules 1, 2, and 3.
Elected officials
As named in the adoption resolutions in the Adopted Budget book. No contact details are shown because none are given in the cited document.
| Supervisor (AYE, Resolutions 081418/081419) | Jackie Speier |
| Supervisor (AYE) | Noelia Corzo |
| Supervisor (AYE) | Ray Mueller |
| Supervisor (AYE) | David J. Canepa |
| Supervisor (absent) | Lisa Gauthier |
| County Executive Officer (book presenter) | Michael P. Callagy |
| Chief Financial Officer | Roberto Manchia |
Source: County of San Mateo, Fiscal Year 2025-26 Adopted Budget, Resolutions No. 081418 and No. 081419.
Sources & notes
- Only source used: County of San Mateo, Fiscal Year 2025-26 Adopted Budget book (December 1, 2025). Adopted Budget book.
- Sum checks: Schedule 1 governmental exact ($4,749,948,154 both sides); other funds exact ($747,560,227 both sides); all funds exact ($5,497,508,381 both sides); General Fund exact ($4,004,875,924 both sides); Schedule 8 functions exact ($4,047,942,972); General function components exact ($1,592,181,561); Public Protection components exact ($612,262,971); Health and Sanitation components exact ($671,929,756); Public Assistance components exact ($584,171,379).
- What is not claimed: the $189,929,124 gap between Schedule 8’s function grand total and Schedule 7’s financing-uses total is not itemized in the extracted lines and is not labeled as contingencies or any other line; the roughly $4.9 billion figure in county news is not used (the book’s $5,497,508,381 governs); no outstanding-debt total is shown from this book.
- Jurisdiction palette: no verified San Mateo County palette was on file, so this page uses the neutral Hometown Numbers dark-glass theme rather than a county color.