Licensed Septic Companies in Providence, RI
5 septic companies serve Providence, Rhode Island, and 5 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).
5 septic companies in Providence
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Coastal Corp
35 Tripoli St, Providence, RI 02909 · Providence County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1970 (Rhode Island Department of Environmental Management, verify)
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0838 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Macari Construction
PO Box 6503, Providence, RI 02940 · Providence County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1465 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Narragansett Improvement
223 Allens Avenue, Providence, RI 02903 · Providence County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1415 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Ralph D Bozzi
274 Veazie Street, Providence, RI 02904 · Providence County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0326 (Rhode Island Department of Environmental Management, verify)
Per state license: Installation
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Ricci Drain-Laying Co Inc
19 Lily St, Providence, RI 02909 · Providence County
- Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1380 (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 Providence 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 Providence: common questions
How many licensed septic companies are in Providence, RI?
5 septic companies serve Providence, Rhode Island, and 5 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 Providence?
5 listings in Providence 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.