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Cranston, Rhode Island

Licensed Septic Companies in Cranston, RI

23 septic companies serve Cranston, Rhode Island, and 22 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 Cranston

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

23 septic companies in Cranston

  • Albert Marsocci

    136 Cardinal Rd, Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1119 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 500-1807

  • Antonio M Pereira

    28 Kenwood Street, Cranston, RI 02907 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1690 (Rhode Island Department of Environmental Management, verify)
    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1682 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 942-2244

  • Chris J Cipriano

    280 Mayfield Ave., Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1873 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 641-2558

  • ClearPoint Custom Homes Inc

    65 Poplar Dr, Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1959 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 301-4714

  • Cranston Builders

    15 Cedar Street, Cranston, RI 02910 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0699 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 639-2204

  • David Corso

    1 Carlo Ct., Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0253 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 944-6912

  • DiMeglio Builders, LLC

    290 Beechwood Drive, Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1896 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 826-2709

  • DiPrete Engineering

    2 Stafford Ct., Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1739 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (943) 100-0209

  • Gashtasb D Dowlatshahi

    1150 Oaklawn Ave., Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1088 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 463-8588

  • Harry J Woloohojian

    36 Whitewood Drive, Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1239 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 261-4623

  • James J Rocchio

    14 Pine Hill Drive, Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1510 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 640-2758

  • Joseph Madonna

    3 Ellison Street, Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0024 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 439-6960

  • Langford Brothers Exc. Inc.

    212 Hope Road, Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1193 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 640-7465

  • Mattiello Construction,Inc.

    160 Council Rock Road, Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1439 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 741-7267

  • Michael J Martino

    PO Box 20315, Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1842 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 480-5052

  • P Ialongo Building Co Inc

    101 Comstock Pkwy Ste 9, Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1790 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 447-4264 ialongobuildingcompany.com

  • Patrick A Czerwien

    57 Pine Ridge Drive, Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1605 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 461-9767

  • R.Rossi Farm&Excavation, Inc.

    1936 Phenix Ave., Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0614 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 573-6525

  • Roger Ferrara

    132 Elton Circle, Cranston, RI 02921 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L0618 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 639-1351

  • Ronald J Parrillo II

    1430 Cranston Street Suite A, Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1107 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (944) 233-5202

  • Thomas M Barbosa

    200 Midway Road, Unit 8471, Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1835 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 413-4502

  • Turn of the century builders

    20 Birchwood Drive, Cranston, RI 02920 · Providence County

    • Licensed: Rhode Island DEM Licensed OWTS (Septic) Installer · #L1862 (Rhode Island Department of Environmental Management, verify)

    Per state license: Installation

    (401) 486-8185

  • Honest Drain

    618 Reservoir Ave, Cranston, RI 02910 · Providence County

    From their website: Inspection

    (401) 593-5553 honestdrainandsewer.com

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 Cranston 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 Cranston: common questions

How many licensed septic companies are in Cranston, RI?

23 septic companies serve Cranston, Rhode Island, and 22 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 Cranston?

22 listings in Cranston 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.