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Smithfield, Rhode Island

Licensed Septic Companies in Smithfield, RI

9 septic companies serve Smithfield, Rhode Island, and 9 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).

9 septic companies in Smithfield

  • Apple Valley Sand & Gravel, Corp.

    33 Cedar Swamp Road, Smithfield, RI 02917 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0604 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 641-6444

  • Arthur Mercure, III

    344 George Washington Hwy., Smithfield, RI 02917 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1155 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 231-2880

  • Boyle & Fogarty Const.

    2 Industrial Drive South, Unit1, Smithfield, RI 02917 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0521 (Rhode Island Department of Environmental Management, verify)
    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0519 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 231-0007

  • Dan Sleboda and Son Excavating, Inc.

    171 Whipple Road, Smithfield, RI 02917 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1816 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 265-1481

  • Daniel C Sleboda

    171 Whipple Road, Smithfield, RI 02917 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1594 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 232-1123

  • Jackson Despres

    295 Washington Highway, Smithfield, RI 02917 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0141 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 231-1111

  • John R D'Angelo

    160 Old County Road, Smithfield, RI 02917 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1428 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 301-5071

  • Paul Surabian

    90 Douglas Pike, Smithfield, RI 02917 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0584 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 232-3700

  • Tikoiam Corporation

    6 Elmhurst Drive, Smithfield, RI 02828 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0693 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 641-8871

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 Smithfield 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 Smithfield: common questions

How many licensed septic companies are in Smithfield, RI?

9 septic companies serve Smithfield, Rhode Island, and 9 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 Smithfield?

9 listings in Smithfield 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.