Excavation and side sewer contractors in Deer Park, WA
7 active excavation and side sewer contractors are registered with Washington L&I at a Deer Park, WA address. 8 registrations are on record in all, including expired and other statuses.
By the numbers
- Active registrations
- 7
- Registrations on record, all statuses
- 8
- Registered in the last 12 months
- 2
- Median years registered, active
- 5
- Suspension on record
- 0
- Complaint records matched
- 0
- Counts of L&I contractor registration records, computed October 8, 2026. Active means the state's record shows ACTIVE status. Years are counted from each registration's effective date.
- Suspension on record: registrations with SUSPENDED status, plus active or re-licensed registrations that carry a suspension date.
- Complaint records matched: contractors with at least one Attorney General consumer complaint record under the same business name and city. A complaint record is not a finding of wrongdoing.
- Sources: L&I Contractor License Data - General andAttorney General Consumer Complaints. Seehow directory numbers are computed.
Longest registered
- ADVANCED UNDERGROUND UT LO INCRegistered since July 20, 2007
- 4A FARMS LLCRegistered since September 6, 2018
- COLUMBIA LAND MANAGEMENT LLCRegistered since July 7, 2020
- ADK EXCAVATION INCRegistered since March 9, 2021
- 509 SITEWORX LLCRegistered since June 20, 2025
Recently registered
- BUB'S SEPTIC PUMPING LLCRegistered on May 14, 2026
- ELK RUN EXCAVATIONRegistered on May 8, 2026
- 509 SITEWORX LLCRegistered on June 20, 2025
- ADK EXCAVATION INCRegistered on March 9, 2021
- COLUMBIA LAND MANAGEMENT LLCRegistered on July 7, 2020
Active registrations, by the effective date on the state's record.
7 active registrations
Businesses by registered name and license number. Show all 8 registrations on record, including expired.
- 4A FARMS LLCACTIVE
License 4AFARFL828OF · Registered 8 years
- 509 SITEWORX LLCACTIVE
License 509SISL753LO · Registered 1 year
- ADK EXCAVATION INCACTIVE
License ADKEXEI791DH · Registered 5 years
License ADVANUU932MO · Registered 19 years
- BUB'S SEPTIC PUMPING LLCACTIVE
License BUBSSSP744KM · Registered less than 1 year
License COLUMLM805MF · Registered 6 years
- ELK RUN EXCAVATIONACTIVE
License ELKRURE743JW · Registered less than 1 year