TLP:GREEN, Approved for public sharing

Candidate Dossier: Eric J. Onisko

2026 Mason County Commissioner District 3

TLP:GREEN Date: 2026-07-04 Party: Republican District: Mason County
FieldDetailSource
Full NameEric J. Onisko (Eric Onisko)T1
ResidenceShelton, WA (Mason County). Candidate committee address 808 Kristi Ct, Shelton, WA 98584.T1
PartyRepublicanT1
EmploymentOwner of local gas station and convenience store businesses in Shelton, including Bayshore Shell and U-Haul and a second location on Olympic Highway South.T2

1 Election History

YearRaceResult

2 Political Positions

TopicPositionSource
State and Local CollaborationHas said local governments need more support from the state on challenges such as drug addiction and homelessness, and has called for stronger collaboration between the state and municipalities. Stated in the context of his 2024 state House candidacy, before his 2026 county commissioner filing.T2

3 Campaign Finance (PDC T1 Data)

MetricValueSource
Filing EntityPDC candidate committee filer_id ONISE 584 (ERIC J ONISKO, Eric Onisko), registered 2025-11-03, declared 2026-05-04 for Mason County Commissioner District 3 (position 3), jurisdiction MASON CO. Registered under the mini reporting option (committing to raise and spend under the small-campaign threshold). No contributions or expenditures reported as of 2026-07-03. Source: WA PDC SODA API (data.wa.gov 3h9x-7bvm), as_of 2026-07-03.T1

4 Notable Public Statements

“It's time to bridge the gap and ensure that our communities receive the support they deserve.”

Announcing his 2024 candidacy for the state House, on state and local collaboration (2024-01)

5 Source Verification

Data Sources
WA SOS, WA PDC, local media, public records
Collection Date
2026-07-04
Highest Tier
T1 (Official Record)
Methodology
Public filing data with OSINT enrichment. No T3/T4 claims included.
TLP:GREEN, Approved for public sharing