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San Mateo Chamber of Commerce

EIN 94-0838880 · San Mateo, CA

Public records raise at least one point you should look into before giving.

What it says it does

The Mission of the San Mateo Area Chamber of Commerce is to create an environment for businesses to start, grow, and succeed.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate

We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate

This return does not answer enough of the governance questions to score.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (2)

$28,470 spent. The Chamber conducts a 10 - month leadership program for individuals interested in increasing their understanding of the community and the issues it faces. The Chamber also sponsors numerous activities and meetings that provide business networking opportunities for its membership. Examples include bi-monthly business mixers, weekly referral networking group meetings, and monthly presentations geared for the business community.
$297,787 spent. The San Mateo Chamber of Commerce provides local and surrounding business an avenue to start, grow, and nurture businesses through weekly business referral networking groups, business educational programs and seminars, social business networking events, and social events that promote and highlight local community and business leaders.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate

Is it registered with the IRS? Passed.
Listed in the IRS master file of tax-exempt organizations as a 501(c)(6) business league.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Has the IRS revoked its tax-exempt status? Passed.
Not on the IRS automatic revocation list.
Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.
Are donations tax-deductible? Caution.
The IRS master file records contributions to this 501(c)(6) business league as not deductible.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it keeping up with its IRS filings? Passed.
Most recent return on file covers the year ending December 2024.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
How long has it been tax-exempt? Passed.
Recognized by the IRS since August 1977.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it in good standing with state regulators? Passed.
Not on California's list of charities barred from soliciting. Other states are not yet checked.
Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.