Belvedere-tiburon Library Foundation
Only null% goes to programs Strong reserves Declining revenue
Belvedere-tiburon Library Foundation is a 501(c)(3) organization based in Tiburon, California, registered in 1996, with $681,346 in FY2024 revenue. CharityIndex grades it B.
Po Box 483, Tiburon, CA, 94920 EIN 68-0280522 Since 1996
Revenue (FY2024)
$681K
▲ 127.8% vs prior year
Education median: $200K
Expenses (FY2024)
$470K
Net assets
$861K
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
B
★★★★
Rated on 2 of 4 criteria — the rest aren't reported in this filing type.
Held down by its weakest criterion — a strong score on one criterion can't hide a weak one.
How the rating works →—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 Belvedere-tiburon Library Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
AFinancial health25% of the rating22 mo reserves · +31% 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 Belvedere-tiburon Library Foundation: 22 mo reserves · +31% margin earns a A 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 Belvedere-tiburon Library Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
CTransparency10% of the rating2 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 Belvedere-tiburon Library Foundation: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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A live seal — it updates automatically when the grade changes and links donors to this verified profile.
Contact & location
- Address
- Po Box 483, Tiburon, CA, 94920
- City
- Tiburon
- State
- California
- Category
- Education
- Subcategory
- Educational Services
- Website
- …
Financial trends
Revenue declined from $797K (FY2016) to $681K (FY2024) across 9 reported years.
Financial snapshot
Financial health & position (FY2024)
Liabilities $355KNet assets $861K
Operating margin
31.0%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$1.2M
Total liabilities
$355K
Net assets
$861K
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $681,346▲128% | $469,923▼12.1% | $860,849▲32.6% | $1,215,558▲16.8% | 990 |
| 2023 | $299,075▼34.4% | $534,594▼11.9% | $649,426▼23.9% | $1,040,424▼17.1% | 990 |
| 2022 | $455,810▼53.8% | $607,011▼80.5% | $852,901▼15.1% | $1,254,497▼9.1% | 990 |
| 2021 | $985,872▼27.6% | $3,109,180▼54.6% | $1,004,102▼67.9% | $1,379,978▼60.6% | 990 |
| 2020 | $1,361,063▲19.7% | $6,852,215▲115% | $3,129,412▼63.7% | $3,502,955▼61.2% | 990 |
| 2019 | $1,137,327▲69.6% | $3,184,737▲115% | $8,620,564▼19.2% | $9,036,042▼18.4% | 990 |
| 2018 | $670,646▼71.1% | $1,478,503▲77.7% | $10,667,974▼8.6% | $11,075,750▼7.0% | 990 |
| 2017 | $2,317,975▲191% | $831,984▲19.9% | $11,678,092▲13.4% | $11,906,668▲15.1% | 990 |
| 2016 | $797,491 | $693,627 | $10,296,895 | $10,347,806 | 990 |
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.
Grants received · $2.1M total
46 grants to Belvedere-tiburon Library Foundation totaling $2.1M, reported by foundations on their Schedule I filings — showing the 15 most recent.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| Donor Advised Charitable Giving | Education | 2023 | $9,050 |
| Marin Community Foundation | Provide annual fund support | 2023 | $8,000 |
| National Philanthropic Tr | Culture & arts | 2022 | $27,500 |
| Communities Foundation of Texas | This grant is designated for general support. | 2022 | $26,000 |
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2022 | $17,350 |
| Donor Advised Charitable Giving | Education | 2022 | $10,400 |
| Marin Community Foundation | General operating support | 2022 | $8,500 |
| Silicon Valley Community Foundation | General nonprofit support | 2022 | $6,500 |
| Marin Community Foundation | General operating support | 2021 | $59,250 |
| Donor Advised Charitable Giving | Education | 2021 | $47,018 |
| Communities Foundation of Texas | This grant is designated for general support. | 2021 | $41,000 |
| National Philanthropic Tr | Culture & arts | 2021 | $30,000 |
| Jewish Community Federation of S F Marin Peninsula & Sonoma Counties | Public/society benefit | 2021 | $24,500 |
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2021 | $11,550 |
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2021 | $11,550 |
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Frequently asked questions
- Is Belvedere-tiburon Library Foundation a legitimate nonprofit?
- Yes. Belvedere-tiburon Library Foundation is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 68-0280522, based in Tiburon, California. Donations are tax-deductible.
- What is Belvedere-tiburon Library Foundation's EIN?
- Belvedere-tiburon Library Foundation's Employer Identification Number (EIN) is 68-0280522.
- How much revenue does Belvedere-tiburon Library Foundation report?
- Belvedere-tiburon Library Foundation reported $681,346 in total revenue on its fiscal year 2024 IRS Form 990 filing.
- What financial grade does Belvedere-tiburon Library Foundation have?
- CharityIndex grades Belvedere-tiburon Library Foundation B, based on financial health (reserves and operating margin).
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Data for Belvedere-tiburon Library Foundation (EIN 68-0280522) 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.