New Castle County property records for 18 addresses on W Keystone Ave, Wilmington, DE · Last verified October 2026
| Properties | 18 |
|---|---|
| Median Sale Price | $295,000 |
| Deeds and Mortgages on File | 26 |
| Median Price per Sqft | $175 |
| Owner Occupied | 83% |
| Median Annual Tax Bill | $2,744 |
| Median Year Built | 1956 |
| Median Ownership Tenure | 10 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1 W Keystone Ave |
3 bd · 2 ba · 2,224 sqft built 1986 · 0.6 acres | $335,051 Aug 2022 | $3,026 2025 | Assessor + 3 Documents Updated Apr 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3 W Keystone Ave |
3 bd · 1 ba · 1,208 sqft built 1960 · 0.139 acres | $227,500 Apr 2007 | $2,043 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4 W Keystone Ave |
4 bd · 2 ba · 1,026 sqft built 1955 · 0.139 acres | $105,500 Mar 1998 | $874 2025 | Assessor + 2 Documents Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5 W Keystone Ave |
3 bd · 1 ba · 988 sqft built 1951 · 0.139 acres | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
6 W Keystone Ave |
4 bd · 3 ba · 1,346 sqft built 1953 · 0.139 acres | $132,563 Mar 2013 | $2,710 2025 | Assessor + 1 Document Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7 W Keystone Ave |
3 bd · 1 ba · 1,053 sqft built 1951 · 0.139 acres | $129,000 Oct 2013 | $2,439 2025 | Assessor Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8 W Keystone Ave |
2 bd · 1.5 ba · 1,475 sqft built 1951 · 0.139 acres | $199,900 Oct 2009 | $2,744 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
9 W Keystone Ave |
2 bd · 1 ba · 1,172 sqft built 1951 · 0.139 acres | — Nov 1993 | $1,998 2025 | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10 W Keystone Ave |
3 bd · 1 ba · 1,080 sqft built 1960 · 0.15 acres | $189,000 Apr 2021 | Assessor + 1 Document Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
11 W Keystone Ave |
3 bd · 1.5 ba · 1,850 sqft built 1953 · 0.139 acres | — Aug 2021 | $2,998 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
13 W Keystone Ave |
3 bd · 2 ba · 1,456 sqft built 1986 · 0.139 acres | $180,000 Apr 2016 | $2,775 2025 | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
100 W Keystone Ave |
3 bd · 2 ba · 1,144 sqft built 1956 · 0.219 acres | — Aug 2018 | $2,929 2025 | Assessor + 1 Document Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
101 W Keystone Ave |
3 bd · 1 ba · 1,440 sqft built 1954 · 0.139 acres | $209,900 Apr 2014 | $2,439 2025 | Assessor + 3 Documents Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
102 W Keystone Ave |
4 bd · 2.5 ba · 1,746 sqft built 1972 · 0.219 acres | $326,000 Aug 2025 | Assessor + 4 Documents Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
103 W Keystone Ave |
3 bd · 1 ba · 1,276 sqft built 1956 · 0.21 acres | — Jul 2024 | $2,528 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
104 W Keystone Ave |
3 bd · 1.5 ba · 1,440 sqft built 1956 · 0.18 acres | $60,000 Mar 1983 | $2,865 2025 | Assessor + 3 Documents Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
105 W Keystone Ave |
5 bd · 3 ba · 1,679 sqft built 1957 · 0.18 acres | $436,000 May 2026 | $3,706 2025 | Assessor + 4 Documents Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
107 W Keystone Ave |
3 bd · 1.5 ba · 1,347 sqft built 1954 · 0.18 acres | $295,000 Oct 2020 | $2,851 2025 | Assessor + 1 Document Updated Apr 2026 | Owner on File Owner Occupied |