Big Dog Construction LLC
License details
| Company | Mark Mahan |
| License number | 1665 |
| License type | DEC Certified Installer |
| License status | Certified, Alaska DEC installer list, updated July 2026 |
| License expires | March 19, 2028 |
| Based in | Sterling, Kenai Peninsula Borough, Alaska 99672 |
"Based in" is the city and county of the address on the business's license record.
What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to check this license
We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #1665 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: Alaska DEC - Current Certified Installer List, last checked 2026-08-17. Check current status at the state agency website.
GroundRoster is an independent publisher of public licensing records, not a government agency or licensing board. The business has not claimed this listing and is not affiliated with GroundRoster. Always confirm current license standing with the issuing state or county agency before hiring.
Is this your license? Request a record correction or removal. It's free.
Compare licensed contractors based in Sterling
Other septic contractors based in Sterling
Valley View Gravel LLC
A&L Construction, Inc.
J & B Construction
Hammond Trucking and Excavation Inc
Crave Alaska Cabin Company LLC
Other licensed septic contractors based in Kenai Peninsula Borough
D&W Dirt Works
Restless Custom Works LLC
Arno Construction, Inc.
Riverstone Builders LLC
The Craftsman Company LLC
See every listing based in Kenai Peninsula Borough or in Sterling.