San Mateo County Democratic Central Committee

$8.60M total cycle spend · — client committees · 668 disbursements · activity Mar 25, 2000 → Mar 6, 2026

Source split: Schedule B $8.38M (668 rows) · Independent Expenditures $213K (23 rows)

○ Slowing (~3mo since last)

12-month spend trajectory

Apr 2025 Mar 2026
$596K across 12 months

Revenue by party

100% D
D · 100%
R · 0%
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No buyer activity in this window.

Top buyers last 3 months · top 2

PAPAN FOR ASSEMBLY 2026 $300 Other / Unclassified · 3 txns 882509 $300 Other / Unclassified · 3 txns SM San Mateo County Democratic Central COMMITTEE

Top buyers last 6 months · top 7

882509 $345K Other / Unclassified · 16 txns 870169 $49K Other / Unclassified · 1 txn BAY AREA LEGISLATIVE LEADERS PAC $49K Other / Unclassified · 1 txn WORKING FOR WORKING AMERICANS SPONSOR… $49K Other / Unclassified · 1 txn STEFANI FOR ASSEMBLY 2026; CATHERINE $750 Other / Unclassified · 2 txns PAPAN FOR ASSEMBLY 2026 $300 Other / Unclassified · 3 txns 831628 $0 Other / Unclassified · 2 txns SM San Mateo County Democratic Central COMMITTEE

Top buyers last 12 months · top 8

882509 $348K Other / Unclassified · 25 txns BAY AREA LEGISLATIVE LEADERS PAC $49K Other / Unclassified · 1 txn WORKING FOR WORKING AMERICANS SPONSOR… $49K Other / Unclassified · 1 txn 870169 $49K Other / Unclassified · 1 txn BECKER FOR SENATE 2028; JOSH $1K Other / Unclassified · 2 txns STEFANI FOR ASSEMBLY 2026; CATHERINE $750 Other / Unclassified · 2 txns PAPAN FOR ASSEMBLY 2026 $300 Other / Unclassified · 3 txns 831628 $0 Other / Unclassified · 2 txns SM San Mateo County Democratic Central COMMITTEE

Top buyers last 18 months · top 8

882509 $398K Other / Unclassified · 28 txns BAY AREA LEGISLATIVE LEADERS PAC $49K Other / Unclassified · 1 txn WORKING FOR WORKING AMERICANS SPONSOR… $49K Other / Unclassified · 1 txn 831628 $49K Other / Unclassified · 3 txns 870169 $49K Other / Unclassified · 1 txn BECKER FOR SENATE 2028; JOSH $1K Other / Unclassified · 3 txns STEFANI FOR ASSEMBLY 2026; CATHERINE $750 Other / Unclassified · 2 txns PAPAN FOR ASSEMBLY 2026 $550 Other / Unclassified · 4 txns SM San Mateo County Democratic Central COMMITTEE

Top buyers last 24 months · top 10

882509 $772K Other / Unclassified · 47 txns 744058 $137K Other / Unclassified · 3 txns WORKING FOR WORKING AMERICANS SPONSOR… $95K Other / Unclassified · 2 txns 870169 $95K Other / Unclassified · 2 txns 831628 $95K Other / Unclassified · 4 txns BAY AREA LEGISLATIVE LEADERS PAC $49K Other / Unclassified · 1 txn 972104 $46K Other / Unclassified · 1 txn PAPAN FOR ASSEMBLY 2024 $5K Other / Unclassified · 4 txns BECKER FOR SENATE 2024; JOSH $4K Other / Unclassified · 2 txns BECKER FOR SENATE 2028; JOSH $1K Other / Unclassified · 3 txns SM San Mateo County Democratic Central COMMITTEE
Filer Total spend Disbursements Last paid
882509
882509
$6,653,858 532 3mo ago
870169
870169
$307,000 7 5mo ago
WORKING FOR WORKING AMERICANS SPONSORED BY UNITED BROTHERHOOD OF CARPENTERS
1332378
$180,500 4 5mo ago
744058
744058
$177,000 4 2y ago
831628
831628
$175,500 6 5mo ago
972104
972104
$131,500 3 2y ago
822501
822501
$119,200 4 8y ago
745604
745604
$86,000 2 2y ago
743501
743501
$81,000 2 4y ago
BAY AREA LEGISLATIVE LEADERS PAC
1377585
$49,000 1 5mo ago
SERVICE EMPLOYEES INTERNATIONAL UNION LOCAL 1000 CANDIDATE PAC
1273063
$40,500 1 4y ago
CALIFORNIA STATEWIDE LAW ENFORCEMENT ASSOCIATION (CSLEA) INDEPENDENT EXPENDITURE COMMITTEE (IEC)
1254179
$27,900 1 20y ago
741666
741666
$10,238 20 12y ago
BECKER FOR SENATE 2024; JOSH
1435512
$8,750 11 2y ago
PAPAN FOR ASSEMBLY 2024
1456580
$7,500 7 2y ago
MULLIN FOR ASSEMBLY 2022; KEVIN
1435008
$7,000 4 4y ago
YEE FOR SENATE, LELAND
1268049
$5,000 1 18y ago
YEE FOR SENATE
1294887
$5,000 1 17y ago
KOUNALAKIS FOR LIEUTENANT GOVERNOR 2022; RE-ELECT ELENI
1413981
$4,750 4 4y ago
SAN MATEO COUNTY DEMOCRATIC CENTRAL COMMITTEE-FEDERAL
C00409359
$3,990 20 14y ago

Table = cycle-to-date totals across all buyers. The Sankey above filters to the time window you select.

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Money flow through this vendor

top payers (left) → top revenue categories (right)

No activity in the last 1 months.

San Mateo County Democratic Cen… PAPAN FOR ASSEMBLY 2026 $300 882509 $300 Other / Unclassified $240 Total in: $600 Total out: $240
San Mateo County Democratic Cen… 882509 $345K 870169 $49K BAY AREA LEGISLATIVE LEADER… $49K WORKING FOR WORKING AMERICA… $49K STEFANI FOR ASSEMBLY 2026; … $750 PAPAN FOR ASSEMBLY 2026 $300 Other / Unclassified $584K Total in: $493K Total out: $584K
San Mateo County Democratic Cen… 882509 $348K BAY AREA LEGISLATIVE LEADER… $49K WORKING FOR WORKING AMERICA… $49K 870169 $49K BECKER FOR SENATE 2028; JOSH $1K STEFANI FOR ASSEMBLY 2026; … $750 PAPAN FOR ASSEMBLY 2026 $300 Other / Unclassified $588K Fundraising $1K Total in: $497K Total out: $589K
San Mateo County Democratic Cen… 882509 $398K BAY AREA LEGISLATIVE LEADER… $49K WORKING FOR WORKING AMERICA… $49K 831628 $49K 870169 $49K BECKER FOR SENATE 2028; JOSH $1K STEFANI FOR ASSEMBLY 2026; … $750 PAPAN FOR ASSEMBLY 2026 $550 Other / Unclassified $687K Fundraising $1K Total in: $596K Total out: $688K
San Mateo County Democratic Cen… 882509 $772K 744058 $137K WORKING FOR WORKING AMERICA… $95K 870169 $95K 831628 $95K BAY AREA LEGISLATIVE LEADER… $49K 972104 $46K PAPAN FOR ASSEMBLY 2024 $5K BECKER FOR SENATE 2024; JOSH $4K BECKER FOR SENATE 2028; JOSH $1K Other / Unclassified $1.39M Print & Mail $2K Fundraising $2K Total in: $1.3M Total out: $1.39M
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Cycle-over-cycle trajectory

quarterly · last 6 cycles
201620182020202220242026 Q1 cycle 2016: $70KQ2 cycle 2016: $2KQ3 cycle 2016: $2KQ1 cycle 2018: $4KQ1 cycle 2018: $6KQ2 cycle 2018: $615KQ3 cycle 2018: $200KQ3 cycle 2018: $600Q4 cycle 2018: $146KQ4 cycle 2018: $233KQ1 cycle 2020: $374Q1 cycle 2020: $170KQ3 cycle 2020: $503KQ3 cycle 2020: $91KQ4 cycle 2020: $216KQ4 cycle 2020: $162KQ1 cycle 2022: $7KQ2 cycle 2022: $576KQ2 cycle 2022: $95KQ3 cycle 2022: $176KQ3 cycle 2022: $275KQ4 cycle 2022: $93KQ1 cycle 2024: $13KQ2 cycle 2024: $364KQ2 cycle 2024: $100KQ3 cycle 2024: $335KQ4 cycle 2024: $2KQ4 cycle 2024: $487KQ1 cycle 2026: $101K Q1Q3Q1Q3Q4Q1Q3Q4Q1Q2Q3Q1Q2Q4Q1 $615K

even-year cycle (election) odd-year cycle (off-cycle)

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Revenue by service category

No category revenue in this window.

No category revenue in this window.

No category revenue in this window.

Revenue by service category

last 12 months
Fundraising $1K

Revenue by service category

last 18 months
Fundraising $1K

Revenue by service category

last 24 months
Print & Mail $2K Fundraising $2K
Show as table (cycle-to-date with disbursement counts)
Category Total spend Disbursements
Other / Unclassified $7,944,896 570
Contributions & Transfers $109,533 24
Print & Mail $26,597 25
Software & Tech $13,745 4
Travel & Events $11,000 13
Fundraising $2,120 5
Field & Voter Contact $374 1
Admin & Office $48 1
Legal & Compliance -$8,267 21
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Recent activity last 20 disbursements

Date Filer Purpose Amount
Mar 6, 2026 1477408 $120
Mar 6, 2026 882509 $120
Mar 6, 2026 882509 $120
Mar 6, 2026 1477408 $120
Feb 25, 2026 1477408 $60
Feb 25, 2026 882509 $60
Feb 20, 2026 882509 $49,000
Feb 20, 2026 882509 $49,000
Feb 12, 2026 882509 2/21/2026: Annual Convention Luncheon Sponsor $500
Feb 12, 2026 882509 2/21/2026: Annual Convention Luncheon Sponsor $500
Feb 10, 2026 1477293 $500
Feb 10, 2026 882509 $500
Feb 10, 2026 1477293 $250
Feb 10, 2026 882509 $250
Jan 5, 2026 882509 Void Check -$45,500
Jan 5, 2026 831628 Void Check -$45,500
Dec 30, 2025 831628 $45,500
Dec 30, 2025 882509 $45,500
Dec 22, 2025 1377585 $49,000
Dec 22, 2025 882509 $49,000
3 raw FEC name variants collapsed into this canonical entity
See all 668 disbursements → Download CSV