3494 Rush Creek Rd, Cambridge, ID 83610 · Washington County
Is A3 Underground Construction licensed?
A3 Underground Construction appears on an Idaho septic license or certification list. The Septic Guide matched these credentials to the issuing agency's published list as of October 2026; confirm the current status with the agency before you hire.
| Credential | Number | Issued by | Verify |
|---|---|---|---|
| Idaho Permitted Septic Complex Installer | — | Idaho Public Health Districts / Idaho DEQ | Agency lookup |
A matched credential shows the holder was on the agency's list when we checked. It does not by itself authorize every kind of septic work: an installer license, a pumper license and an inspector certification are different credentials.
What septic services does A3 Underground Construction offer?
Found on A3 Underground Construction's website: Septic system installation, Septic repair, Drain field repair, Aerobic septic systems, Risers and lids, Perc testing and site evaluation.
Ask A3 Underground Construction to confirm it handles your specific job and service area. Guides: Septic system installation · Septic repair · Drain field repair · Aerobic septic systems.
Before you hire A3 Underground Construction
- Check the license on the agency lookup above and ask which person holds it.
- Ask who pulls the permit and whether the fee is in the quote.
- Ask for proof of liability insurance sent by the insurer.
- Get the scope and price in writing. How to check a septic license.
Is this your business? Correct or update this listing. Listing data: state license lists and public business information, as of October 2026. Not an endorsement.