Chamber San Mateo County
501(c)(6)
Only null% goes to programs Growing revenue
Chamber San Mateo County is a 501(c)(6) organization based in Redwood City, California, registered in 1944, with $1,397,381 in FY2024 revenue. CharityIndex grades it B.
255 Shoreline Dr Ste 150, Redwood City, CA, 94065 EIN 94-0377914 Since 1944
Revenue (FY2024)
$1.4M
▲ 3.3% vs prior year
Expenses (FY2024)
$1.5M
Net assets
$687K
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
B
—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 Chamber San Mateo County— 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 rating6 mo reserves · -6% 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 Chamber San Mateo County: 6 mo reserves · -6% 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 Chamber San Mateo County— 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 Chamber San Mateo County: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
Show this grade on your website
A live seal — it updates automatically when the grade changes and links donors to this verified profile.
Contact & location
- Address
- 255 Shoreline Dr Ste 150, Redwood City, CA, 94065
- City
- Redwood City
- State
- California
- Category
- —
- Subcategory
- —
- Website
- …
Financial trends
Revenue grew from $743K (FY2013) to $1.4M (FY2024) across 11 reported years.
Financial snapshot
Financial health & position (FY2024)
Liabilities $122KNet assets $687K
Operating margin
-6.2%
Spent more than it raised in the latest fiscal year.
Total assets
$809K
Total liabilities
$122K
Net assets
$687K
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $1,397,381▲3.3% | $1,484,061▲13.1% | $686,702▼11.2% | $808,602▼10.9% | 990 |
| 2023 | $1,352,976▲9.5% | $1,312,539▲6.8% | $773,382▲5.5% | $907,282▲3.2% | 990 |
| 2022 | $1,236,082▲7.1% | $1,228,677▲30.5% | $732,945▲1.0% | $878,845▲0.4% | 990 |
| 2021 | $1,153,952▲4.1% | $941,249▼17.9% | $725,540▲61.8% | $875,440▲95.2% | 990 |
| 2019 | $1,108,770▲0.6% | $1,147,048▲7.3% | $448,416▼7.9% | $448,416▼7.9% | 990 |
| 2018 | $1,102,300▲11.8% | $1,069,140▲12.7% | $486,694▲7.3% | $486,694▲7.3% | 990 |
| 2017 | $986,211▼1.0% | $948,369▼1.0% | $453,534▲9.1% | $453,534▲9.1% | 990 |
| 2016 | $996,279▲6.6% | $957,729▲14.1% | $415,692▲10.2% | $415,692▲8.9% | 990 |
| 2015 | $934,529▲4.3% | $839,283▼3.3% | $377,142▲33.8% | $381,741▲32.2% | 990 |
| 2014 | $895,765▲20.6% | $868,281▲17.2% | $281,896▲10.8% | $288,698▲11.3% | 990 |
| 2013 | $742,572 | $741,156▲0.7% | $254,412▲0.6% | $259,362▲0.3% | 990 |
| 2012 | — | $735,703▼5.3% | $252,996▼20.1% | $258,527▼19.5% | 990 |
| 2011 | — | $777,234 | $316,509 | $321,350 | 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 · $338K total
20 grants to Chamber San Mateo County totaling $338K, reported by foundations on their Schedule I filings — showing the 15 most recent.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| Monterra Credit Union | Sponsorship | 2024 | $8,000 |
| Provident Credit Union | To help advance and promote business in the san mateo county. | 2023 | $18,000 |
| The Board of Trustees of the Leland Stanford Junior University | Program support | 2023 | $15,199 |
| Monterra Credit Union | Annual program support | 2023 | $9,620 |
| Provident Credit Union | To help advance and promote business in the san mateo county. | 2022 | $35,000 |
| Monterra Credit Union | Progress seminar sponsorship | 2022 | $8,000 |
| Provident Credit Union | To help advance and promote business in the san mateo county. | 2021 | $30,000 |
| Monterra Credit Union | Seminar sponsorship | 2021 | $9,620 |
| Provident Credit Union | To promote business issues that enhance and sustain the economic prosperity of our region and its local communities. | 2020 | $17,500 |
| Provident Credit Union | Birdies for business golf | 2019 | $30,000 |
| Monterra Credit Union | Progress seminar sponsorship | 2019 | $8,000 |
| Monterra Credit Union | Progress seminar sponsorship | 2018 | $8,000 |
| Provident Credit Union | To support local communities | 2017 | $30,000 |
| Lucile Salter Packard Childrens Hospital At Stanford | Support for advocacy for social determinants of health in broader community. | 2017 | $8,720 |
| Monterra Credit Union | Sponsorship of the progress seminar | 2017 | $8,000 |
Frequently asked questions
- Is Chamber San Mateo County a legitimate nonprofit?
- Yes. Chamber San Mateo County is a 501(c)(6) organization registered with the U.S. Internal Revenue Service under EIN 94-0377914, based in Redwood City, California.
- What is Chamber San Mateo County's EIN?
- Chamber San Mateo County's Employer Identification Number (EIN) is 94-0377914.
- How much revenue does Chamber San Mateo County report?
- Chamber San Mateo County reported $1,397,381 in total revenue on its fiscal year 2024 IRS Form 990 filing.
- What financial grade does Chamber San Mateo County have?
- CharityIndex grades Chamber San Mateo County B, based on financial health (reserves and operating margin).
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Explore more
Data for Chamber San Mateo County (EIN 94-0377914) 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.