Duffield Assicoates, Inc
EvaluatorDesignerWilmington · New Castle County, Delaware
The state record
- Name as listed
- Duffield Assicoates, Inc
- Phone as listed
- (302) 239-6634
- Licence number
- 2089D3
- Licence class
- Class B (Standard Designer), Class D (Site Evaluator)
- City
- Wilmington
- County of record
- New Castle County
- Record published
- August 26, 2026
- Licensing agency
- Delaware Department of Natural Resources and Environmental Control
What this licence covers
- Certified as both installer and pumper
- Georgia certifies installers and pumpers separately, with separate exams and separate fees, and most companies hold only one. Duffield Assicoates, Inc holds both, so the same company can put a system in and pump it out later.
What this listing does and does not tell you
Duffield Assicoates, Inc appears on Delaware’s septic licensing records as a licensed site evaluator and licensed system designer, as published August 26, 2026. That is a statement by Delaware DNREC 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 DNREC, or the state's own licensee dataset. Step by step →
Questions about Duffield Assicoates, Inc
- Is Duffield Assicoates, Inc licensed for septic work in Delaware?
- Duffield Assicoates, Inc appears on Delaware DNREC's records under Class B (Standard Designer), Class D (Site Evaluator) 2089D3, as published August 26, 2026, filed under New Castle County. Licences can lapse between publications, so confirm it is current before hiring.
- What is Duffield Assicoates, Inc licensed to do?
- Georgia certifies installers and pumpers separately, with separate exams and separate fees, and most companies hold only one. Duffield Assicoates, Inc holds both, so the same company can put a system in and pump it out later.
- How do I verify Duffield Assicoates, Inc's licence myself?
- Check with DNREC, or the state's own licensee dataset, quoting 2089D3. 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 Duffield Assicoates, Inc?
- New Castle County has 38 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 New Castle County
- A-1 Sanitation Service Inc(302) 322-1074New CastleHauler
- Anderson Civil Engineering(302) 540-2274MiddletownEvaluatorDesigner
- Apex Engineering(302) 994-1900 ext. 206NewportDesignerInspector
- Artesian Resources(302) 250-8364NewarkContractorHauler
- Artesian Water Company(302) 453-2396NewarkDesigner
- Blevins Excavating(302) 233-2411NewarkContractorInspector
- Clifton L. Bakhsh, Jr., Inc.(302) 378-8009MiddletownDesigner
- D S Wilson(302) 354-2779BearContractor
- David P Roser(302) 218-3388HockessinContractor
- Duffield Associates(302) 674-9280WilmingtonDesigner
- First State Roll Off(302) 376-1000MiddletownHauler
- Green Paving & Excavating(302) 378-2965TownsendContractor
| Company | Licensed for | Phone |
|---|---|---|
| A-1 Sanitation Service IncNew Castle | Hauler | (302) 322-1074 |
| Anderson Civil EngineeringMiddletown | EvaluatorDesigner | (302) 540-2274 |
| Apex EngineeringNewport | DesignerInspector | (302) 994-1900 ext. 206 |
| Artesian ResourcesNewark | ContractorHauler | (302) 250-8364 |
| Artesian Water CompanyNewark | Designer | (302) 453-2396 |
| Blevins ExcavatingNewark | ContractorInspector | (302) 233-2411 |
| Clifton L. Bakhsh, Jr., Inc.Middletown | Designer | (302) 378-8009 |
| D S WilsonBear | Contractor | (302) 354-2779 |
| David P RoserHockessin | Contractor | (302) 218-3388 |
| Duffield AssociatesWilmington | Designer | (302) 674-9280 |
| First State Roll OffMiddletown | Hauler | (302) 376-1000 |
| Green Paving & ExcavatingTownsend | Contractor | (302) 378-2965 |