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Hertwig Haven

EIN 82-2067993Petaluma, CAAnimalsLatest 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, 6:32 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)(2)

$138krevenue
FY2025 · +14% in 3 yrs
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$100k$200k$300k$400k’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin−70.0%
Months of reserve1.8mo
Revenue growth (annualized)−21.3%
Middle half of peersMedianHertwig Haven
Where the money goes FY2025 · $235k spent
Programs$211k90%Management and general$24k10%990 FY2025 · Part IX line 25