GroundRosterTerry A. HollerLicensed
| Name | Terry A. Holler |
| Company | Holler Contracting LLC |
| License number | 00989 |
| License type | Registered On-Site Wastewater (Septic) Professional |
| License status | Current — MD State Board of On-Site Wastewater Professionals |
| License expires | 2026-12-31 |
| Location | Mt. Airy, Maryland 21771 |
| Phone | (301) 898-8780 |
Request a quote from Terry A. Holler
How to verify this license
We publish this listing exactly as it appears in Maryland's official licensing records; we do not vouch for the business itself. Before hiring, look up license #00989 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: MD State Board of On-Site Wastewater Professionals - registered individuals, last checked 2026-08-17. Verify at the official source.
Are you Terry A. Holler? Claim this listing to set your business name and add your website, service area, hours, and photos. It's free.