1218 Union Ave, Laconia, NH 03246 · Belknap County
Is Watermark Marine Construction licensed?
Watermark Marine Construction appears on New Hampshire septic license or certification lists. 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 | 04654 | New Hampshire Department of Environmental Services, Subsurface Systems Bureau | Agency lookup |
| New Hampshire NHDES Permitted Septic System Installer | 03625 | 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 Watermark Marine Construction offer?
Implied by its state license: Septic system installation.
Ask Watermark Marine Construction to confirm it handles your specific job and service area. Guides: Septic system installation.
Before you hire Watermark Marine 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.