Licensed Septic Companies in Harrington, DE
6 septic companies serve Harrington, Delaware, and 6 of them hold a Delaware septic license or certification matched to the Delaware Department of Natural Resources and Environmental Control list (data as of October 2026).
6 septic companies in Harrington
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Apple Designs
Harrington, DE 19952 · Kent County
- Licensed: Delaware DNREC Licensed On-Site Sewage System Contractor (Class E) · #2099E3 (Delaware Department of Natural Resources and Environmental Control, verify)
Per state license: Installation
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Frank G Hrupsa
Harrington, DE 19952 · Kent County
- Licensed: Delaware DNREC Licensed On-Site Sewage System Contractor (Class E) · #2445E3 (Delaware Department of Natural Resources and Environmental Control, verify)
Per state license: Installation
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Gary Simpson Contracting
Harrington, DE 19952 · Kent County
- Licensed: Delaware DNREC Licensed On-Site Sewage System Contractor (Class E) · #6132E2 (Delaware Department of Natural Resources and Environmental Control, verify)
Per state license: Installation
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Gerardi Septic Service, LLC
Harrington, DE 19952 · Kent County
- Licensed: Delaware DNREC Licensed On-Site Sewage System Contractor (Class E) · #4050E3 (Delaware Department of Natural Resources and Environmental Control, verify)
Per state license: Installation
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Gerardi Septic Service, LLC
1239 Rd 298, Harrington, DE 19952 · Kent County
- Licensed: Delaware DNREC Licensed On-Site Sewage System Contractor (Class E) · #4504E4 (Delaware Department of Natural Resources and Environmental Control, verify)
Per state license: Installation
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Vernon Hood Construction
Harrington, DE 19952 · Kent County
- Licensed: Delaware DNREC Licensed On-Site Sewage System Contractor (Class E) · #2147E3 (Delaware Department of Natural Resources and Environmental Control, verify)
Per state license: Installation
No listings match those filters.
Septic licensing in Delaware
Delaware publishes its Class E septic contractor roster as public-domain open data, including company phone and email. The Delaware DNREC issues these credentials: Class E system contractor/installer license.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Harrington and whether the permit fee is in their quote.
Delaware septic licensing: agencies, license types and how to check a license →
Septic companies in Harrington: common questions
How many licensed septic companies are in Harrington, DE?
6 septic companies serve Harrington, Delaware, and 6 of them hold a Delaware septic license or certification matched to the Delaware Department of Natural Resources and Environmental Control 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 Delaware?
Delaware publishes its Class E septic contractor roster as public-domain open data, including company phone and email. The licensing body is the Delaware DNREC.
Which companies install septic systems in Harrington?
6 listings in Harrington install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Delaware license.
How do I check a septic contractor's license in Delaware?
Use the Delaware DNREC's lookup (https://data.delaware.gov/resource/376h-4rq3) and search the contractor's name or license number. Our guide to checking a septic license walks through it.