Out-of-State Political Committee Expenditures in Washington State, 2008-2025

The Washington State Public Disclosure Commission provides this dataset of reportable expenditures by out-of-state political committees. It covers a 17-year period from 2008 to the present, as of March 2026. Data is derived from C5 Out-Of-State Political Committee Campaign Finance Reports filed with the commission.

Use Cases

• Tracking financial influence from out-of-state entities based on reported expenditure data.
• Analyzing trends in political spending over time based on the 17-year coverage period.
• Verifying campaign finance disclosures by cross-referencing with original reports mentioned as available.
• Researching compliance with Washington State's political finance laws (RCW 42.17A, WAC 390).

Strengths

• Covers a 17-year time range from 2008 to the present.
• Provided by the authoritative state agency, the Washington State Public Disclosure Commission (PDC).
• Data is available in multiple machine-readable formats (CSV, JSON, RDF, XML).

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• The PDC notes the dataset may contain incomplete or incorrect information and is a best-effort compilation.
• Data format varies for records submitted prior to August 2024 due to reporting changes.

Provenance

Source

Washington State Public Disclosure Commission (PDC)

Collection Method

Compiled from mandatory C5 Out-Of-State Political Committee Campaign Finance Reports.

Time Range

2008 to present (covering 17 years as of March 2026)

Freshness

Last updated 2026-03-22 03:13:41.001466; freshness should be verified.

Geography

Washington State, United States