Licensed contractors in Southworth, WA
Claimed and verified listings appear first.
100 Proof Drywall LLC
ListedDry Wall · Southworth, WA
License #100PRPD823OR · $15,000 bond
Jewel Mechanical Insulat LLC
ListedInsulation And Acoustical · Southworth, WA
License #JEWELMI789DG · $15,000 bond
Olympic Plumbing Solutions LLC
ListedJourney Level · Southworth, WA
License #OLYMPPS780KB · $6,000 bond
Trades in Southworth
How to read confidence grades and license statuses
Built from Washington State L&I public records, updated Nov 9, 2026. Subser doesn't do star ratings or reviews — just verified records.