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California · Public charity

City of Rohnert Park Foundation

The specific purpose of the Corporation is to raise funds in connection with the development of civic projects in the City of Rohnert Park.

$131k
Granted FY2025(still arriving)
9
Itemized grants FY2025
2
Organizations funded FY2024
100%
First-time grantees FY2024
Read the full brief
Itemized, FY2025
$123k
The rest is grants the schedule does not break out
Median grant, FY2025
$7,834
Largest grant, FY2025
$61,041
Organizations funded a year
1 to 11
FY2020 to FY2024
States reached, FY2025
1
Total assets, FY2025
$3.6M

How open it is to new grantees

In FY2024, 100% of the organizations City of Rohnert Park Foundation funded were first-time grantees, receiving 100% of its grant dollars.

New vs renewed · share of each year

In FY2024, 0% of grant dollars renewed an existing relationship; $59k went to new ones.

50%100%’21’22’23’24
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’21’22’23’24
Human ServicesOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.
The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2025still arriving9$123k78%
FY20242$59k100%
FY20231$8k0%
FY20221$8k0%
FY20211$11k100%
FY202011$75kn/a
96% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2025.

Arts & Culture$89kHuman Services$38kRecreation & Sports$36kEnvironment$31kEducation$30kFood & Nutrition$10kYouth Development$10kReligion$7kOther$0

Top grantees

Largest recipients by total granted, FY2020 to FY2025, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
City of Rohnert Park$40,9634n/a
Petaluma People Services Center$27,66030%
Cotati -Rohnert Park Unified School Dist$24,6501n/a
Dudek$18,0851n/a
THS Titans Boosters Inc$14,650249%
Rohnert Park Community Chorale$12,8342n/a
Sonoma Bach$10,00014%
Credo High Foundation$10,00012%
On Campus Ministries$6,9721n/a
Rancho Cotate Cougar Boosters Inc$6,725110%
Show all 20 grantees
All grantees of City of Rohnert Park Foundation by total granted
GranteeTotal grantedYearsShare of their budget
City of Rohnert Park$40,9634n/a
Petaluma People Services Center$27,66030%
Cotati -Rohnert Park Unified School Dist$24,6501n/a
Dudek$18,0851n/a
THS Titans Boosters Inc$14,650249%
Rohnert Park Community Chorale$12,8342n/a
Sonoma Bach$10,00014%
Credo High Foundation$10,00012%
On Campus Ministries$6,9721n/a
Rancho Cotate Cougar Boosters Inc$6,725110%
Rohnert Park-Cotati Rotary Foundation$5,770111%
Food for Thought$5,0341n/a
Inquiring Systems Inc$5,0001n/a
Stephanie Lennox$5,0001n/a
Neighbors Organized Against Hunger$5,0001n/a
Boys & Girls Clubs of Sonoma-Marin$5,00010%
Start Soco$5,00013%
Center for Volunteer & Nonprofit Leadership$5,00010%
Sonoma State University$5,0001n/a
PTA California Congress of Parents Teachers and Students Inc$5,0001n/a

Plus 1 recipient with no EIN on record ($61k), not named here.

Where it is load-bearing

City of Rohnert Park Foundation supplied at least a quarter of the budget for 1 of its grantees at some point. The chart plots its 9 largest grantees; load-bearing ones sit top left.

25%50%75%100%$100k$1.0M$10Mgrantee revenue →↑ funder's share of their budgetPetaluma People Services Center: $27,660 over 3y, 0.2% of budgetTHS Titans Boosters Inc: $14,650 over 2y, 49% of budgetSonoma Bach: $10,000 over 1y, 4.0% of budgetCredo High Foundation: $10,000 over 1y, 2.2% of budgetRancho Cotate Cougar Boosters Inc: $6,725 over 1y, 9.8% of budgetRohnert Park-Cotati Rotary Foundation: $5,770 over 1y, 11% of budgetBoys & Girls Clubs of Sonoma-Marin: $5,000 over 1y, 0.1% of budgetStart Soco: $5,000 over 1y, 3.2% of budgetCenter for Volunteer & Nonprofit Leadership: $5,000 over 1y, 0.1% of budget

Tap a dot to name the grantee.

How this is measured
Share of budget is the funder’s grant in a year over the grantee’s total revenue that year, at its highest across the years we hold; revenue is from all sources. Only grantees confirmed against their own filings, whose grants do not exceed their revenue, are plotted: the largest 9.

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Sonoma County Vintners FoundationCA15.7× affinity5 shared granteesties to 10 of 10Hover any node to trace its alignments.Compare side by side →

Open a dossier: Sonoma County Vintners Foundation · Sonoma County Community Foundation · McNabb Foundation · Weinreb Pilecki Segal Foundation · The Heck Foundation · Marin Community Foundation · Vanguard Charitable Endowment Program · American Online Giving Foundation Inc · Fidelity Investments Charitable Gift Fund · Donor Advised Charitable Giving Inc · Amazonsmile Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

Compare City of Rohnert Park Foundation with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to City of Rohnert Park Foundation?

Find your warmest path to City of Rohnert Park Foundation through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

About City of Rohnert Park Foundation

How much does City of Rohnert Park Foundation give?
City of Rohnert Park Foundation reported 9 itemized grants totaling $123,026, out of $130,630 in total grant expense reported on the return in its FY2025 IRS filing. It funded between 1 and 11 organizations a year over FY2020 to FY2024.
What does City of Rohnert Park Foundation fund?
By grant dollars over FY2020 to FY2025, its largest causes are Arts & Culture (31%), Human Services (13%), Recreation & Sports (13%).
Who are City of Rohnert Park Foundation's largest grantees?
By total granted over FY2020 to FY2025: City of Rohnert Park ($41k), Petaluma People Services Center ($28k), Cotati -Rohnert Park Unified School Dist ($25k).
Does City of Rohnert Park Foundation fund new organizations?
In FY2024, 100% of the organizations it funded were first-time grantees.
Which funders back the same organizations as City of Rohnert Park Foundation?
Its strongest co-funders, measured against what their size predicts, include Sonoma County Vintners Foundation, Sonoma County Community Foundation, McNabb Foundation.
Where is City of Rohnert Park Foundation based?
City of Rohnert Park Foundation is based in CA.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 21 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990 e-file return for fiscal year 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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