Horizon Housing Development Company (EIN: 16-1671788) is a nonprofit organization dedicated to providing housing services to residents of St. Louis City who have developmental and mental disabilities. With an operating budget of $1.4 million and total revenue of $1.8 million for the 2025 filing year, the organization supports its mission through diverse funding sources, none of which account for 50% or more of its revenue. More information about their services can be found on their website, www.hhdc-stl.org.