GroundRosterKeyser Well Drilling & Pump Co.Licensed
| Name | Keyser Well Drilling & Pump Co. |
| License number | NYRD10010 |
| License type | Agricultural Well Driller, Commercial Well Driller, Geothermal Well Driller, Hydrofracturing, Public Water Supply Well Driller, Pump Installation, Pump Service, Residential Well Driller, Well Cleaning & Redevelopment, Well Deepening, Well Disinfection |
| License status | Current — registered with NYS DEC |
| Based in | Nassau, Rensselaer County, New York 12123 |
| Phone | (518) 828-1203 |
"Based in" is the city and county of the address 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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What this license covers
- Drilling / construction: licensed to bore, case, complete, and plug water wells.
- Pump installation: licensed to install, repair, and replace well pumps, pressure tanks, and the piping between the well and the building.
- Geothermal loops: also licensed to bore the open- or closed-loop wells that serve a ground-source heat pump.
- Hydrofracturing: licensed to hydrofracture a low-yield well, pressurizing the bedrock to open water-bearing fractures, which can be cheaper than drilling deeper or drilling again.
- Cleaning / disinfection: licensed to chlorinate, clean, and redevelop an existing well, the usual response to a bacteria result or a well that has lost yield to buildup.
- Deepening: licensed to deepen an existing well rather than drill a new one, an option when a well runs dry or the water table drops.
How to verify this license
We publish the license details exactly as they appear in New York's official licensing records; we do not vouch for the business itself. Before hiring, look up license #NYRD10010 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: New York State DEC - Water Well Contractor Registry, last checked 2026-08-16. Verify at the official source.
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