13 septic contractors on record for Manassas (city) County. All phone numbers from the Virginia DPOR regulant lists (refreshed every ~5 business days).
13 state-recognized contractors are listed below with phone numbers straight from the Virginia roster — call one directly. Most tanks need pumping every 3–5 years, and a failed system costs 10–30× more than routine maintenance.
📞 See Manassas (city) County septic pros ↓| Company | Services | Phone |
|---|---|---|
| James J Osteros | Alternative Onsite Sewage Installer (JAOI) | — |
| Chadwick L Garrison | Alternative Onsite Sewage Installer (MAOI) | — |
| Chase M Garrison | Alternative Onsite Sewage Installer (MAOI) | — |
| Devin B Yankey | Alternative Onsite Sewage Installer (MAOI) | — |
| John E Abbott | Alternative Onsite Sewage Installer (MAOI) | — |
| Lawrence R Fellenz Jr | Alternative Onsite Sewage Installer (MAOI) | — |
| Ricky R Aits | Alternative Onsite Sewage Installer (MAOI) | — |
| Stuart M Lynn | Alternative Onsite Sewage Installer (MAOI) | — |
| Vernon Villareal | Alternative Onsite Sewage Installer (MAOI) | — |
| Felicito M Hernandez | Conventional Onsite Sewage Installer (JCOI) | — |
| Jason A Kyer | Conventional Onsite Sewage Installer (MCOI) | — |
| Jonathan M Maggio | Conventional Onsite Sewage Installer (MCOI) | — |
| Ronald J Fellenz Sr | Conventional Onsite Sewage Installer (MCOI) | — |
Virginia licenses onsite sewage installers and operators through DPOR, with separate classes for conventional and alternative systems. The Virginia Department of Health permits installations and repairs. If you're buying a home with a septic system in Manassas (city) County, ask for the permit history and get an inspection before closing.