Washington County Humane Society Inc.

Environment and animals
Slinger, Wisconsin
EIN 23-7009054
Tax-exempt since 1969

Firms paid: 1
Fees reported, —: —
Fees reported in —: —
Most Recent Reported Revenue: $1.9M

Listed as a client by:

Per firm websites

Advancement AdvisorsBoard development

Form 990 Snapshot

Washington County Humane Society Inc.'s Form 990 figures by year
Tax year	Revenue	Contributions	Fundraising expenses	Professional fundraising fees
2024	$1.9M	$1.3M	$119K	—
2023	$1.6M	$896K	$81K	—
2022	$1.8M	$1.1M	$71K	—
2021	$1.3M	$583K	$47K	—
2020	$2.2M	$2.1M	$39K	—
2019	$4.9M	$4.3M	$35K	—
2018	$943K	$356K	$31K	—

Fees are what Washington County Humane Society Inc. reported on IRS Form 990. Nonprofits list only fundraisers paid $5,000 or more, and many book consultants under other expenses, so a nonprofit can have worked with firms that don't appear here. Last checked 2026-11-14.