SSI in Washington — Supplemental Security Income Guide
SSI eligibility, Washington's state supplement, Medicaid coordination, and how SSI differs from SSDI.
SSI vs. SSDI
| SSDI | SSI | |
|---|---|---|
| Based On | Work History (Earnings Record) | Financial Need |
| Funded By | Social Security Trust Fund | General Tax Revenue |
| Health Coverage | Medicare (after 24 months) §42 U.S.C. 426 | Medicaid (immediately in Washington) |
| Income Limits | Substantial Gainful Activity | Strict Income/Resource Limits |
| 2024 Max Benefit | Based on Earnings Record | $943/month (individual) §42 U.S.C. 1382 |
SSI Eligibility Requirements
State SSI Supplement in Washington
Washington provides a state supplement to federal SSI benefits. This supplement can increase your monthly payment above the federal maximum.
Medicaid Coordination
Washington has expanded Medicaid under the Affordable Care Act. SSI recipients in Washington typically receive Medicaid automatically upon SSI approval through SSI recipients automatically qualify for Apple Health (Washington Medicaid) in Washington (Section 1634 state); Washington expanded Medicaid under the ACA in 2014 through the Washington Health Benefit Exchange.
Applying for SSI
You can apply for SSI at your local SSA field office in Washington (locations include Seattle, Spokane, Tacoma, Bellevue, Vancouver, Everett, Olympia, Yakima, Kennewick, Bellingham, Bremerton, Wenatchee, Walla Walla, Mount Vernon). You can also start your application online at ssa.gov or by calling SSA at 1-800-772-1213.
Ready to Talk to a Lawyer?
Submit a short intake form and a participating Washington attorney who handles this type of matter may reach out to you. No commitment required.
Frequently Asked Questions
General answers to common questions. Specific outcomes depend on your facts and timing.
If you have a deadline, court notice, or upcoming hearing, mention it when requesting assistance so timing can be evaluated promptly.

