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Tiverton, Rhode Island

Licensed Septic Companies in Tiverton, RI

26 septic companies serve Tiverton, Rhode Island, and 26 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).

Septic services in Tiverton

Guides: Septic system installation · Septic repair · Installation cost · Pumping cost

26 septic companies in Tiverton

  • .

    35 South Avenue, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0588 (Rhode Island Department of Environmental Management, verify)
    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1306 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 624-4427

  • 604 Main Road

    44 Gooseberry Lane, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0785 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 864-1170

  • Aquidneck Landscape Service

    202 Shove St, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1964 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (508) 717-9485 aquidnecklandworks.com

  • Arthur F Smith Jr

    70 Jacqueline Way, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1587 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 625-5122

  • Brennan Construction Septic

    1710 Eagleville Rd, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0941 (Rhode Island Department of Environmental Management, verify)

    From their website: Repair Per state license: Installation

    (401) 683-1116 brennanseptic.com

  • David L Sisson

    64 Pools Lane, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1725 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 226-1983

  • Demetno P Costa

    415 Lake Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1649 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (774) 263-2197

  • Desrosiers Landscaping/Construction

    1077 East Rd, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1326 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 266-8658

  • Freds Tree &Design Inc.

    51 King Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1872 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 418-1137

  • Home & Site Nursery

    1588 Bulgarmarsh Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1607 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 855-4911

  • James Pelletier

    409 East Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1729 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 640-9490

  • JDQ Excavating LLC

    125 N Brayton Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1954 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 266-6721

  • John H Marks

    24 Highland Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1813 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (774) 930-0889

  • Joseph Farias Jr.

    911 Bulgarmarsh Rd., Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0110 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 624-4917

  • JPS Landscaping & Excavating

    58 Wildrose Drive, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1665 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 640-5334

  • Kim E Litchfield

    154 Holly Circle, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1571 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 835-5401

  • Leon J Sylvia

    3998 Main Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1508 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 625-2413

  • North Tiverton Water Dept.

    241 Hilton Street, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1569 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 624-8432

  • Peter's Excavating & Landscape Constr.

    91 Brayton Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1821 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 301-1001

  • Quality Island Construction

    1246 Fish Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1013 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 624-6168

  • Raymond E Johnson

    691 Brayton Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1839 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 641-3707

  • Robert G Johnson

    436 Fish Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1519 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 293-0176

  • Ronald J Almeida

    509 Brayton Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1310 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (774) 488-4587

  • South Shore Excavation

    86 Hooper St, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1960 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 662-9163

  • Stephen J Oliveira

    217 Stafford Road, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1378 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 624-4753

  • Thomas J Principe Jr.

    Post Office Box 298, Tiverton, RI 02878 · Newport County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0842 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 639-7370

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 Tiverton 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 Tiverton: common questions

How many licensed septic companies are in Tiverton, RI?

26 septic companies serve Tiverton, Rhode Island, and 26 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 Tiverton?

26 listings in Tiverton 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.