GroundRosterLicensed Well and Septic Contractors in Wyoming
Wyoming lists 249 licensed well and septic contractors: 148 well drillers and pump installers and 101 septic contractors. They are based in 23 counties and 55 cities. 4 license classes appear, covering installation / repair, drilling / construction and pump installation.
Checked against Wyoming Water Well Contractors Licensing Board and Wyoming County Health Departments - Certified Septic Installers. Roster copy last refreshed 2026-08-17.
Browse by county or request free quotes.
Counties with the most listings based there
Browse Wyoming by county
Each listing sits under the county of the address on its license record, which can be a mailing address. 23 counties have listings based there.
Cities with the most listings based there
Septic Installers by city in Wyoming
Septic System Installation cost guide
Well Drillers by city in Wyoming
Well Pump Installers by city in Wyoming
Looking for a specific contractor? Search by name, business name, or license number.
Hiring a well and septic professional in Wyoming
Before you sign anything: confirm the license on this page is still active with the agency that issued it, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.
How do I check a well and septic professional's license in Wyoming?
Use the license search to find the listing by name, business name, or license number, then confirm it with the agency that issued the license. Every listing links to the roster it came from.
What does well or septic work cost in Wyoming?
Our cost guides give national ranges for well drilling, well pump repair, septic tank pumping, septic cleaning, repairs, and inspections. Site conditions, access, and local demand set the real number, so get at least three written quotes from licensed well and septic pros in Wyoming.
Is a permit required?
Usually, for a new system or well and for most repairs, and the rules are set by the state or the county. Our Wyoming permit guide covers who issues them and what they cover.
Listings without a county
34 listings have no county we could place: the license record gives none, and its ZIP code or town doesn't settle one. Search by ZIP, or browse by the town on the record:
Permits and Wyoming agency resources
Do I need a permit for well or septic work in Wyoming? ›
Where this Wyoming data comes from
- Wyoming Water Well Contractors Licensing Board · source page
- Wyoming County Health Departments - Certified Septic Installers · source page