Licensed Septic Companies in West Greenwich, RI
14 septic companies serve West Greenwich, Rhode Island, and 14 of them hold a Rhode Island septic license or certification matched to the Rhode Island Department of Environmental Management list (data as of October 2026).
14 septic companies in West Greenwich
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A&C Site and Septic Contractors
330 Henry Brown Road, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1930 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Christopher M Kent
39 Nooseneck Hill Road, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1526 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Frank H Dimartino
475 Robin Hollow Road, West Greenwich, RI 02897 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1759 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Gary Harrington
135-B Sharpe Street, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0091 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Gary Studley
189 Weaver Hill Road, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0467 (Rhode Island Department of Environmental Management, verify)
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0468 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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James L Titus
160 Liberty Hill Road, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1067 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Kyle S Markhart
355 Mishnock Road, West Greenwich, RI 02812 · Washington County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1717 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Patrick S Diffley
33 Arnold Farm Road, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1558 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Russell A Ashworth
1 Whispering Pines Terrace, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1316 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Steven F Breene
21 D Victory Highway, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1851 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Ted Buhre
392 Weaver Hill Road, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1547 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Theroux Properties Inc.
111 Hudson Pond Road, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0782 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Tlc
389 Mishnock Road, West Greenwich, RI 02817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1928 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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William Wright Jr.
120C Breakheart Hill Road, West Greenwich, RI 01817 · Kent County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1051 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
No listings match those filters.
Septic licensing in Rhode Island
Rhode Island licenses septic (OWTS) installers for three-year terms after an exam. The Rhode Island DEM, OWTS program issues these credentials: OWTS installer license (3-year, exam).
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles West Greenwich and whether the permit fee is in their quote.
Rhode Island septic licensing: agencies, license types and how to check a license →
Septic companies in West Greenwich: common questions
How many licensed septic companies are in West Greenwich, RI?
14 septic companies serve West Greenwich, Rhode Island, and 14 of them hold a Rhode Island septic license or certification matched to the Rhode Island Department of Environmental Management list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in Rhode Island?
Rhode Island licenses septic (OWTS) installers for three-year terms after an exam. The licensing body is the Rhode Island DEM, OWTS program.
Which companies install septic systems in West Greenwich?
14 listings in West Greenwich install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Rhode Island license.
How do I check a septic contractor's license in Rhode Island?
Use the Rhode Island DEM, OWTS program's lookup (https://dem.ri.gov/environmental-protection-bureau/water-resources/professional-licensing/owts-professional-licensing) and search the contractor's name or license number. Our guide to checking a septic license walks through it.