GC Finder · King County
A & H Septic Sys Materials Inc
From public license list
- License
- Washington registered general contractor (L&I) · L&I AHSEPSM090JA Active
- Location
- Fall City · King County
Source: Washington L&I contractor license data (data.wa.gov), retrieved 2026-10-30. This listing shows only public license data. It has not been reviewed by the business.