Licensed septic companies in Westerly, Rhode Island
7 businesses on Rhode Island’s septic licensing records give an address in Westerly. Westerly is in Washington County, which has 69 in total.
- 42 Hamlet Avenue(401) 596-2824WesterlyDesigner
- Cherenzia & Associates, Ltd.(401) 596-7747WesterlyDesigner
- Daniel P Joubert Jr(401) 363-5353WesterlyDesigner
- Leblanc Engineering LLC(401) 741-2856WesterlyDesigner
- On-Site Engineering, Inc(401) 348-6831WesterlyDesigner
- Sacco Enterprises(401) 322-0368WesterlyDesignerLicence expires December 31, 2026
- Suite A201 Cherenzia & Associates, Ltd.(401) 596-7747WesterlyDesigner
| Company | Licensed for | Phone | Licence expires |
|---|---|---|---|
| 42 Hamlet AvenueWesterly | Designer | (401) 596-2824 | — |
| Cherenzia & Associates, Ltd.Westerly | Designer | (401) 596-7747 | — |
| Daniel P Joubert JrWesterly | Designer | (401) 363-5353 | — |
| Leblanc Engineering LLCWesterly | Designer | (401) 741-2856 | — |
| On-Site Engineering, IncWesterly | Designer | (401) 348-6831 | — |
| Sacco EnterprisesWesterly | Designer | (401) 322-0368 | December 31, 2026 |
| Suite A201 Cherenzia & Associates, Ltd.Westerly | Designer | (401) 596-7747 | — |
More licensed companies elsewhere in Washington County
A Rhode Island licence is valid statewide. These are based in the same county but a different town, and can legally work in Westerly.
- 4 Monroe Drive American Engineering(401) 294-4090ExeterDesigner
- Alfred W. DiOrio, RLS, Inc.(401) 377-8124AshawayDesigner
- American Engineering Inc(401) 294-4090ExeterDesigner
- Arm Engineering INC(401) 377-0080AshawayDesignerLicence expires December 31, 2026
- Avizinis Environmental Services(401) 710-2161Inc CharlestownDesigner
- Briggs Septic Pumping & Excavating,(401) 783-8104Inc. SaunderstownDesignerLicence expires December 31, 2026
- C and V Excavation LLC(401) 473-6203CharlestownDesignerLicence expires December 31, 2026
- CJ Doyle, P.E.(401) 491-9530Hope ValleyDesigner
- Clift Land Surveying, LLC(401) 741-7195NarragansettDesigner
- Daniel F Harrington, III(401) 539-7344Hope ValleyDesigner
- David Allen(401) 225-6372ExeterDesignerLicence expires December 31, 2026
- David D Gardner(401) 738-3200NarragansettDesigner
| Company | Licensed for | Phone | Licence expires |
|---|---|---|---|
| 4 Monroe Drive American EngineeringExeter | Designer | (401) 294-4090 | — |
| Alfred W. DiOrio, RLS, Inc.Ashaway | Designer | (401) 377-8124 | — |
| American Engineering IncExeter | Designer | (401) 294-4090 | — |
| Arm Engineering INCAshaway | Designer | (401) 377-0080 | December 31, 2026 |
| Avizinis Environmental ServicesInc Charlestown | Designer | (401) 710-2161 | — |
| Briggs Septic Pumping & Excavating,Inc. Saunderstown | Designer | (401) 783-8104 | December 31, 2026 |
| C and V Excavation LLCCharlestown | Designer | (401) 473-6203 | December 31, 2026 |
| CJ Doyle, P.E.Hope Valley | Designer | (401) 491-9530 | — |
| Clift Land Surveying, LLCNarragansett | Designer | (401) 741-7195 | — |
| Daniel F Harrington, IIIHope Valley | Designer | (401) 539-7344 | — |
| David AllenExeter | Designer | (401) 225-6372 | December 31, 2026 |
| David D GardnerNarragansett | Designer | (401) 738-3200 | — |
Septic licensing in Westerly
- How many licensed septic companies are there in Westerly?
- 7 businesses give Westerly as their address on Rhode Island's septic licensing records. That count is of businesses based in Westerly, not of everyone who will work there — a Rhode Island licence is valid across the state.
- Do I have to use a company based in Westerly?
- No. Licensing is statewide, so any licensed company can legally work in Westerly. Washington County has 69 in total, and companies in neighbouring counties can travel too. Being local usually matters for call-out speed and price, not permission.
- How do I check a Westerly septic company is really licensed?
- Every listing here names the record it came from and the date that record was published. To confirm it is still current, check with RIDEM's OWTS professional licensing office.
Other towns in Washington County
Records as published August 26, 2026. Report a correction.