In New Castle County, Delaware, which covers Wilmington, 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.
Wilmington is a city in New Castle County, Delaware. The Census Bureau puts its internal point at 39.735651, -75.532104 and its land area at 10.89 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 Wilmington 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 |
|---|
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 Wilmington itself
| Business | Town on file | Phone | Rating |
|---|---|---|---|
| Bristol Plumbing & Underground Utilities | Wilmington | (302) 757-0137 | 4.0 (4) |
No. We measure septic and sewer at parcel level and roll it up by county. In New Castle County, Delaware, which covers Wilmington, 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.
Wilmington is in New Castle County, Delaware.
From the Census ZCTA-to-place relationship file, with the share of Wilmington’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 Wilmington.
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.