The Humane Society Legislative Fund was formed in 2004 as a separate lobbying affiliate of The Humane Society of the United States. HSLF works to pass animal protection laws at the state and federal levels, to educate the public about animal protection issues, and to support humane candidates for office. HSLF is a social welfare organization incorporated under section 501(c)(4) of the Internal Revenue Code. 

We encourage you to visit our Frequently Asked Questions page as there may be an answer to your question.

There are several ways to contact us.


U.S. postal mail:
Humane Society Legislative Fund
1255 23rd Street, NW, Suite 455, Washington, DC 20037

General Inquiries: 202-676-2314

Donation Information: 800-876-5170