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San Mateo High School Athletic Boosters

EIN 46-3987449San Mateo, CARecreation & SportsLatest 990 FY2025

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Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Nov 6, 2026, 4:16 PM ET
IRS nonprofit listing
No issue
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
Registered
Charity type
509(a)(1)

$197krevenue
FY2025 · +155% in 3 yrs
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$50k$100k$150k$200k’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin50.1%
Months of reserve23.7mo
Revenue growth (annualized)+20.7%
Middle half of peersMedianSan Mateo High School Athletic Boosters
Where the money goes FY2025 · $98k spent
Programs$94k95%Management and general$4k5%990 FY2025 · Part IX line 25