In New Castle County, Delaware, which covers New Castle, we hold 5,964 septic records. Parcels there are not yet classified septic against sewer, so this page reports documents held and nothing beyond them.
New Castle is a city in New Castle County, Delaware. The Census Bureau puts its internal point at 39.670017, -75.566519 and its land area at 3.48 square miles. Septic permitting and record keeping happen at the county level, not the city level, which is why every figure below is attributed to the county and linked back to the county page it came from.
| County | Records we hold | Parcels on septic | Parcels on sewer | County records portal | Searchable without an account |
|---|---|---|---|---|---|
| New Castle County | 5,964 | none held | none held | county portal | no account needed |
We hold 5,964 septic records for New Castle County, Delaware. That is a substantial partial collection rather than a complete one, so a New Castle property may or may not appear in it, and the county archive remains the authority. The county publishes a records portal that we were able to search without creating an account, which makes checking a specific parcel something you can do yourself in a few minutes.
Septic is one subject with very different jobs inside it. These go straight to the page that does yours.
| If you are a | Go to | Because it covers |
|---|---|---|
| Homeowner | Septic pumping in New Castle | keeping the system you have working |
| Buyer or seller | Buying or selling in New Castle | what to pull and check before closing |
| Realtor | Buying or selling in New Castle | the same records a seller needs on file |
| Designer or engineer | Septic design in New Castle | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in New Castle | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in New Castle | tank access, lids and service interval |
| Inspector | Septic inspection in New Castle | what gets checked and what a failure means |
| Land investor | Septic installation in New Castle | whether raw land can take a system at all |
These are real businesses we hold an address for, not a ranked or paid list. We take no fee and list nobody preferentially. Confirm current licensing with your county or state before hiring.
With an address in New Castle itself
| Business | Town on file | Phone | Rating |
|---|---|---|---|
| A-1 Sanitation Service | New Castle | (302) 322-1074 | 3.0 (2) |
| Tri-County Construction | New Castle | (302) 419-3232 | — |
No. We measure septic and sewer at parcel level and roll it up by county. In New Castle County, Delaware, which covers New Castle, we hold 5,964 septic records. Parcels there are not yet classified septic against sewer, so this page reports documents held and nothing beyond them.
New Castle is in New Castle County, Delaware.
From the Census ZCTA-to-place relationship file, with the share of New Castle’s land area that falls in each. A ZIP is not a place boundary and the two only ever partly agree, which is exactly why both pages exist.
Straight-line distance from the Census internal point of New Castle.
Parcel Perfect generates a code-shaped septic design and as-built style drawing for a parcel from the records and site data we hold, and shows every parcel we have classified as septic or sewer on one map. Both are open to use for any parcel in New Castle County, Delaware.