# Treehouse

Youth development programs nonprofit in Seattle, Washington 98144. EIN 91-1425676. Data as of November 8, 2026.

Page: https://backpr.com/find/nonprofit/911425676-treehouse

## IRS facts

- Type: Youth development programs (IRS activity code O500)
- Tax status: 501(c)(3), contributions deductible, recognized 1989
- Source: IRS Business Master File, posted October 13, 2026: https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf

## How it compares

- Revenue rank: 1 of 113 youth development nonprofits in Seattle.
- Revenue $28,224,827 is in the top 10% of 326 youth development nonprofits in Washington; median $242,921.
- Source: IRS Business Master File, posted October 13, 2026; BackPR analysis.

## Local context

- King County, Washington: about 441,421 children under 18 (U.S. Census Bureau, July 1, 2024): https://www2.census.gov/programs-surveys/popest/datasets/2020-2024/counties/asrh/cc-est2024-agesex-all.csv
- 1,342 youth and community nonprofits in this directory in the county: 3.0 per 1,000 children.
- Licensed programs in Seattle: 273 licensed child care centers, 71 school-age programs: https://backpr.com/find/washington/seattle
- Washington rules: https://backpr.com/resources/states/washington

## Questions

**What is Treehouse's EIN?**

Treehouse's EIN (Employer Identification Number) is 91-1425676. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.

**Is Treehouse a nonprofit?**

Yes. The IRS lists Treehouse in Seattle, Washington as tax-exempt under section 501(c)(3), recognized since 1989. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.

**Are donations to Treehouse tax-deductible?**

Yes, the IRS lists gifts to Treehouse as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.

**What does Treehouse do?**

The IRS classifies Treehouse as: Youth development programs. It has not filed a Form 990 or 990-EZ with a mission statement that we have loaded.

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Data as of November 8, 2026. Sources: IRS Business Master File, IRS Form 990 series e-file data, U.S. Census Bureau. No officer or staff names are published.