M S Grumbacher Foundation
501(c)(3) Donations tax-deductible
Only null% goes to programs Strong reserves Declining revenue
M S Grumbacher Foundation is a 501(c)(3) organization based in Sebastopol, California, registered in 1992, with $510,538 in FY2024 revenue. CharityIndex grades it C+.
2545 Burnside Rd, Sebastopol, CA, 95472 EIN 23-2697348 Since 1992
Revenue (FY2024)
$511K
▼ 6.3% vs prior year
Expenses (FY2024)
$452K
Net assets
$7.5M
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
C+
—Program efficiency40% of the ratingNo expense breakdown in filings
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for M S Grumbacher Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
B+Financial health25% of the rating199 mo reserves · +11% margin
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For M S Grumbacher Foundation: 199 mo reserves · +11% margin earns a B+ on this criterion. See the exact thresholds →
—Governance25% of the ratingNot reported in this filing type
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for M S Grumbacher Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
DTransparency10% of the rating1 of 5 disclosure signals
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For M S Grumbacher Foundation: 1 of 5 disclosure signals earns a D on this criterion. See the exact thresholds →
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Contact & location
- Address
- 2545 Burnside Rd, Sebastopol, CA, 95472
- City
- Sebastopol
- State
- California
- Category
- —
- Subcategory
- —
Financial trends
Revenue declined from $737K (FY2019) to $511K (FY2024) across 6 reported years.
Financial snapshot
Financial health & position (FY2024)
Liabilities $0Net assets $7.5M
Operating margin
11.4%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$7.5M
Total liabilities
$0
Net assets
$7.5M
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $510,538▼6.3% | $452,433▲8.5% | $7,492,052▲0.8% | $7,492,052▲0.8% | 990PF |
| 2023 | $544,705▼65.9% | $416,900▼12.8% | $7,433,947▲1.7% | $7,433,947▲1.7% | 990PF |
| 2022 | $1,598,589▲23.3% | $478,122▼0.7% | $7,306,142▲18.1% | $7,306,142▲18.1% | 990PF |
| 2021 | $1,296,929▲69.7% | $481,557▲7.4% | $6,185,675▲15.2% | $6,185,675▲15.2% | 990PF |
| 2020 | $764,044▲3.6% | $448,453▲11.3% | $5,370,303▲6.2% | $5,370,303▲6.2% | 990PF |
| 2019 | $737,422 | $402,929 | $5,054,712 | $5,054,712 | 990PF |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
Frequently asked questions
- Is M S Grumbacher Foundation a legitimate nonprofit?
- Yes. M S Grumbacher Foundation is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 23-2697348, based in Sebastopol, California. Donations are tax-deductible.
- What is M S Grumbacher Foundation's EIN?
- M S Grumbacher Foundation's Employer Identification Number (EIN) is 23-2697348.
- How much revenue does M S Grumbacher Foundation report?
- M S Grumbacher Foundation reported $510,538 in total revenue on its fiscal year 2024 IRS Form 990 filing.
- What financial grade does M S Grumbacher Foundation have?
- CharityIndex grades M S Grumbacher Foundation C+, based on financial health (reserves and operating margin).
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Data for M S Grumbacher Foundation (EIN 23-2697348) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.