Robert DeroseLicensed
| License number | 04994 |
| License type | Septic System Installer |
| License status | Active, NH DES Designer/Installer roster |
| Based in | Deerfield, Rockingham County, New Hampshire 03037 |
"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.
What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to verify this license
We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #04994 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: NH DES - Septic System Designers & Installers, last checked 2026-08-16. Verify at the official source.
Compare licensed contractors based in Deerfield
All listings based in Deerfield 26Septic System Installation in Deerfield 23Septic System Design in Deerfield 4
Other well and septic pros based in Deerfield
William Starace SrLicensed
Septic System Installation
Jason FranklinLicensed
Septic System Design
Aaron CadyLicensed
Septic System Installation · Septic System Design
Frank IebbaLicensed
Septic System Installation · Septic System Design
PLUMBING -N- HEATING SOLUTIONS, LLCLicensed
Well Pump Repair
Kevin FisherLicensed
Septic System Installation
Other licensed septic contractors based in Rockingham County
Susan SilvaLicensed
Septic System Installation · Septic System Design
Kevin FullerLicensed
Septic System Installation
David CedarholmLicensed
Septic System Design
Samuel FormaLicensed
Septic System Installation
William GregsakLicensed
Septic System Design
See every listing based in Rockingham County or in Deerfield.