1166 Lancaster Road, Lancaster, NH 03584 · Coos County
Is Swallow & Sons Excavation & Contracting licensed?
Swallow & Sons Excavation & Contracting appears on a New Hampshire 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 |
|---|---|---|---|
| New Hampshire NHDES Permitted Septic System Installer | 05689 | New Hampshire Department of Environmental Services, Subsurface Systems Bureau | 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 Swallow & Sons Excavation & Contracting offer?
Found on Swallow & Sons Excavation & Contracting's website: Septic system installation, Septic repair.
Ask Swallow & Sons Excavation & Contracting to confirm it handles your specific job and service area. Guides: Septic system installation · Septic repair.
Before you hire Swallow & Sons Excavation & Contracting
- 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.