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Septic Registry

Grenco, Inc.

DesignerExeter · Washington County, Rhode Island

Call (401) 295-9119

The state record

Name as listed
Grenco, Inc.
Phone as listed
(401) 295-9119
Licence number
D1245
Licence class
Designer
City
Exeter
County of record
Washington County
Licence expires
December 31, 2026
Record published
August 26, 2026
Licensing agency
Rhode Island Department of Environmental Management

What this licence covers

Certified as licensed owts designer
Georgia certifies installers and pumpers separately. Grenco, Inc. appears on the RIDEM Licensed OWTS Designers and Soil Evaluators roster only — for the other job you would need a company on the other roster.

What this listing does and does not tell you

Grenco, Inc. appears on Rhode Island’s septic licensing records as a licensed owts designer, as published August 26, 2026. That is a statement by RIDEM that the licence was held when the record was compiled.

It is not a rating, a review, an endorsement or a guarantee of insurance, price or workmanship — and licences lapse. Nothing on this page comes from the company itself, and no company pays to be here.

To confirm the licence is current today, check with RIDEM's OWTS professional licensing office. Step by step →

Questions about Grenco, Inc.

Is Grenco, Inc. licensed for septic work in Rhode Island?
Grenco, Inc. appears on RIDEM's records under Designer D1245, as published August 26, 2026, filed under Washington County. That licence is recorded as expiring December 31, 2026.
What is Grenco, Inc. licensed to do?
Georgia certifies installers and pumpers separately. Grenco, Inc. appears on the RIDEM Licensed OWTS Designers and Soil Evaluators roster only — for the other job you would need a company on the other roster.
How do I verify Grenco, Inc.'s licence myself?
Check with RIDEM's OWTS professional licensing office, quoting D1245. Nothing on this page comes from the company, and we do not verify anyone ourselves — we republish the state record and name it.
Who else is licensed near Grenco, Inc.?
Washington County has 69 licensed septic businesses on the same record. Worth knowing when the first company you call cannot come out for a fortnight.

Other licensed companies in Washington County

All 69 in Washington County →