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Claude Heater Foundation

EIN 82-1457516Belvedere Tiburon, CAArts & CultureLatest 990 FY2023

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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 Oct 25, 2026, 5:36 AM ET
IRS listing
Listed
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
Registered
Charity type
509(a)(1)

$23krevenue
FY2023 · +288% in 3 yrs
1staff
5 of 6years filed
’18’19’20’21’22’23
Revenue and spendingRevenueSpendingDeficit
$0$200k$400k$600k$800k$1.0M’18’19’20’22’23
Against similar nonprofits FY2023
Operating margin−259.2%
Months of reserve90.4mo
Revenue growth (annualized)−19.2%
Middle half of peersMedianClaude Heater
Where the money goes FY2023 · $83k spent
Programs$75k90%Management and general$8k10%990 FY2023 · Part IX line 25