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· Public charity

Marin Music Chest

Providing financial support to talented, promising, young marin county students of classical music and, when possible, to assist other non-profit organizations with similar goals.

$34k
Granted FY2025still arriving
4
Grants FY2025still arriving
1
States reached
$4k
Largest
01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2021 to 2025.

Arts & Culture$20kEducation$20k
02FY2025 · 4 grants

Where the money goes

Grants by size, and the largest recipients.

How this is measured
The 4 grants below total $16,000, the rows itemized in this filing. The $33,713 headline is the total grant expense on the return; the other $17,713 is giving the schedule does not break out (grants under the $5,000 itemization floor, grants to individuals, grants on other schedules). Every figure below describes the itemized rows only.
$4,000
Median grant
1
States reached
$532k
Total assets
Largest grants
RecipientAmount
RISEUP 94965 FOUNDATION$4,000
MARIN COUNTY BRANCH MUSIC TEACHERS ASSOC OF CA$4,000
MARIN SYMPHONY YOUTH PROGRAM$4,000
MARIN GIRLS CHORUS$4,000
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Dollar for dollar, its grants (FY21–25) land where the poverty rate runs at 8%, against an area that typically sits at 6%. 100% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 6%MARIN SYMPHONY YOUTH ORCHESTRA: $4k → 8%MARIN SYMPHONY YOUTH PROGRAM: $4k → 8%MARIN SYMPHONY YOUTH ORCHESTRA: $2k → 8%MUSIC TEACHERS ASSOC OF CALIFORNIS MAIRN BRANCH: $4k → 8%MARIN COUNTY BRANCH MUSIC TEACHERS ASSOC OF CA: $4k → 8%MARIN GIRLS CHORUS: $4k → 8%MARIN GIRLS CHORUS: $2k → 8%MARIN COUNTY BRANCH MUSIC TEACHERS ASSOC OF CA: $2k → 8%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

55%of every dollar goes to organizations it has funded before.
$22k · 3 repeat orgs$18k to everyone else

3 repeat relationships: 1 still active in FY2025, 2 since wound down; 3 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

3
2

Total granted

$22k
$6k

Still filing today

33%
0%

New vs renewed · share of each year

In FY2025, 25% of grant dollars renewed an existing relationship; $12k went to new ones.

50%100%’21’22’23’25
RenewedFirst-time

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

’21’22’23’25
Arts & CultureEducationOther
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.

Backed again, and grew

  • MG
    MARIN GIRLS CHORUS
    3× · 2021–2025 · $10k · revenue +210%
  • AB
    ARTS & BAYSIDE MLK JR FOUNDATION
    2× · 2021–2022 · $6k
  • MS
    MARIN SYMPHONY YOUTH ORCHESTRA
    2× · 2021–2022 · $6k

Funded once

  • MT
    MUSIC TEACHERS ASSOC OF CALIFORNIS MAIRN BRANCH
    one grant, 2021 · $4k
  • MC
    MARIN COUNTY BRANCH MUSIC TEACHERS ASSOC OF CA
    2× · 2023–2024 · $2k
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field
04the grantee network

4 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 4 of the 8 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
1
Early backer (in before they grew)
4/4
Grantees still filing
1/4
Grew since first funded

Where the money sits, by cause and then by grantee

ARTS & BAYSIDE MLK JR FOUNDATION: $6,000 · OtherARTS & BAYSIDE MLK JR FOUNDATIONMARIN SYMPHONY YOUTH ORCHESTRA: $6,000 · OtherMARIN SYMPHONY YOUTH ORCHESTRAMUSIC TEACHERS' ASSOCIATION OF CALIFORNIA GROUP MEMBERS: $4,000 · OtherMUSIC TEACHERS' ASSOCIATION OF CALIFORNIA GROUP MEMBERSMUSIC TEACHERS ASSOC OF CALIFORNIS MAIRN BRANCH: $4,000 · OtherMUSIC TEACHERS ASSOC OF CALIFORNIS MAIRN BRANCHMARIN COUNTY BRANCH MUSIC TEACHERS ASSOC OF CA: $2,000 · OtherMARIN COUNTY BRANCH MUSIC TEACHERS ASSOC OF CAMARIN GIRLS CHORUS: $10,000 · Arts & CultureMARIN GIRLS CHORUSMARIN SYMPHONY ASSOCIATION: $4,000 · Arts & CultureMARIN SYMPHONY ASSOCIATIONRise Up 94965 Foundation: $4,000 · EducationRise Up 949…
Other$22,000Arts & Culture$14,000Education$4,000

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$1.0Mgrantee revenue →↑ funder's share of their budgetMARIN GIRLS CHORUS: $10,000 over 3y, 3.4% of budgetMUSIC TEACHERS' ASSOCIATION OF CALIFORNIA GROUP MEMBERS: $4,000 over 1y, 0.7% of budgetMARIN SYMPHONY ASSOCIATION: $4,000 over 1y, 0.2% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds MARIN GIRLS CHORUS ↗
  • Who funds MUSIC TEACHERS' ASSOCIATION OF CALIFORNIA GROUP MEMBERS ↗
  • Who funds Rise Up 94965 Foundation ↗
  • Who funds MARIN SYMPHONY ASSOCIATION ↗

How much its grantees rely on government

Each dot is one organization Marin Music Chest funds: left to right is the share of its income from government, bottom to top the share from Marin Music Chest. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%0%1%3%5%funder's share of their income ↑0%1%3%4%5%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    1report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–5%
    typical government reliance, FY20–25
    How this is measured
    Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.
    05Through Plinth

    Warm introductions · Powered by PlinthPlus

    How do I get to Marin Music Chest?

    Find your warmest path to Marin Music Chest 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.

    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 8 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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