GroundRosterSergei Anatoliavich KolenechenkoLicensed
| Name | Sergei Anatoliavich Kolenechenko |
| License number | 200988 |
| License type | CR-41 Septic Tanks and Systems |
| License status | Active — Arizona ROC licensed contractor |
| Based in | Flagstaff, Arizona 86002 |
| Phone | (928) 853-0616 |
"Based in" is the city on the business's state license record. That can be a mailing address; it doesn't tell you where the business works.
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How to verify this license
We publish the license details exactly as they appear in Arizona's official licensing records; we do not vouch for the business itself. Before hiring, look up license #200988 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Arizona ROC - Licensed Contractors, last checked 2026-08-17. Verify at the official source.
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