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Marin Humane Society

Public charity
DBA: % MARILYN V CASTELLBLANCH
Other · NOVATO, CA · EIN 94-1156562

About

Marin humane transforms lives through exceptional animal care, humane education, and advocacy. Every day, marin humane inspires compassion and positive relationships between people and animals.

In care of Marilyn V Castellblanch

Donations are tax-deductible
Category
Other
Employees
149
Volunteers
800

Financial Snapshot

FY ending 2025-06-30
Revenue
$14.0M
Expenses
$13.3M
Assets
$31.5M
Liabilities
$1.7M

Financial history

$14.0M$7.0M$0
16171819202122232425
RevenueExpenses
Latest FY2025: $14.0M · Avg: $10.3M

501(h) election

This 501(c)(3) has NOT elected 501(h) — lobbying is permitted but limited under the vaguer "no substantial part of activities" test.

Political & Grant Activity

Campaign Spending
Lobbying
$3K
Grants Given
MARIN HUMANE SOCIETY
Your actions

Address

171 BEL Marin KEYS BLVD
Novato, CA, 94949-610

Governance

Voting board members15
Independent members15
Conflict-of-interest policyYes
Whistleblower policyYes
Doc-retention policyYes
Audit committeeYes
990 reviewed by boardYes

Compensation practices

Severance paymentsNo
Equity-based compNo
Supplemental retirement planNo
Used comp surveyYes
Board approved compYes
Initial contract exceptionNo

Financial detail (Schedule D)

Board-designated %0.0%
Permanent endowment %84.2%
Endowment held by related orgNo

Fundraising activity (Schedule G)

Uses professional fundraisersYes
Gross fundraising receipts$344K
Net to org$181K
Retained by contractors$163K
ChannelsMail
Public records
ProPublica Nonprofit Explorer
Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.
IRS Tax Exempt Organization Search
IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.
These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.