New Castle County property records for 10 addresses on William St, Delaware City, DE · Last verified October 2026
| Properties | 10 |
|---|---|
| Median Sale Price | $122,860 |
| Deeds and Mortgages on File | 12 |
| Median Price per Sqft | $147 |
| Owner Occupied | 30% |
| Median Annual Tax Bill | $1,407 |
| Median Year Built | 1960 |
| Median Ownership Tenure | 6 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $61,250Aug 2025 | Amount on Record Aug 2014 | Owner on Record | AssessorUpdated Apr 2026 |
0.06 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000Aug 1981 | $3222025 | 2 Owners on Record | AssessorUpdated May 2026 |
0.019 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3222025 | Owner on Record Owner Occupied | AssessorUpdated May 2026 |
2 bd · 1 ba · 840 sqft · built 1900 · 0.01 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,3192025 | 2 Owners on Record | AssessorUpdated May 2026 |
3 bd · 1 ba · 917 sqft · built 1900 · 0.01 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $45,750Oct 2022 | Amount on Record Sep 2022 | Owner on Record | Assessor + 3 DocumentsUpdated Jun 2026 |
3 bd · 1 ba · 1,152 sqft · built 1940 · 0.68 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | Assessor + 1 DocumentUpdated May 2026 |
3 bd · 1.5 ba · 1,234 sqft · built 1966 · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record | Assessor + 2 DocumentsUpdated Apr 2026 |
3 bd · 2 ba · 1,624 sqft · built 2001 · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $122,860Oct 2001 | $1,6792025 | Amount on Record Mar 2001 | 2 Owners on Record | Assessor + 1 DocumentUpdated Oct 2026 |
3 bd · 2 ba · 1,360 sqft · built 2001 · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $199,999Aug 2006 | $1,6972025 | Amount on Record Jan 2002 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
3 bd · 1 ba · 1,170 sqft · built 1960 · 0.08 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Aug 2020 | $1,4072025 | Amount on Record Feb 2020 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |