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Mueller Excavating
Septic Installation
County-wide SRHD Permitted InstallerLicense & Verification
License Expired
WA L&I
- License Number
- MUELLE*181KK
- License Type
- CONSTRUCTION CONTRACTOR
- Expiration
- 2026-03-01
License data sourced from the Washington State Department of Labor & Industries public contractor registry. Statuses can change — use the official verification link above to confirm current standing before hiring.