New Castle County property records for 45 addresses on Balfour Ave, Claymont, DE · Last verified October 2026
| Properties | 45 |
|---|---|
| Median Sale Price | $110,000 |
| Deeds and Mortgages on File | 48 |
| Median Price per Sqft | $103 |
| Owner Occupied | 49% |
| Median Annual Tax Bill | $1,861 |
| Median Year Built | 1920 |
| Median Ownership Tenure | 15 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8 Balfour Ave |
3 bd · 1 ba · 1,155 sqft built 1920 · 0.389 acres | $21,300 Apr 1977 | $2,556 2025 | Assessor Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10 Balfour Ave |
3 bd · 1 ba · 1,155 sqft built 1920 · 0.139 acres | $1,866 2025 | Assessor Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 Balfour Ave |
0.139 acres | $47,500 Apr 2021 | Assessor + 2 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 Balfour Ave |
3 bd · 1 ba · 1,347 sqft built 1920 · 0.139 acres | — Aug 1996 | $343 2025 | Assessor Updated Apr 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
16 Balfour Ave |
3 bd · 1 ba · 1,248 sqft built 1910 · 0.13 acres | $61,000 Nov 1988 | Assessor Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18 Balfour Ave |
3 bd · 1 ba · 1,248 sqft built 1910 · 0.13 acres | $310,000 Jun 2026 | Assessor + 5 Documents Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Balfour Ave |
4 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $125,000 May 2026 | $1,710 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Balfour Ave |
3 bd · 1 ba · 1,248 sqft built 1910 · 0.13 acres | $94,000 Jan 2019 | $1,905 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Balfour Ave |
4 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $100,000 Aug 2021 | $2,000 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22 Balfour Ave |
3 bd · 1 ba · 1,248 sqft built 1910 · 0.13 acres | — May 1992 | Assessor Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
23 Balfour Ave |
4 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | — Aug 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
24 Balfour Ave |
3 bd · 1 ba · 1,344 sqft built 1910 · 0.13 acres | $1,943 2025 | Assessor Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Balfour Ave |
4 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $1,748 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
26 Balfour Ave |
3 bd · 1 ba · 1,344 sqft built 1910 · 0.13 acres | — Jan 2021 | $1,876 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
27 Balfour Ave |
3 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $133,000 Feb 2017 | $1,737 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 Balfour Ave |
3 bd · 1 ba · 1,344 sqft built 1910 · 0.13 acres | Assessor + 1 Document Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 Balfour Ave |
4 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $139,000 Mar 2007 | $1,720 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
30 Balfour Ave |
3 bd · 1 ba · 1,248 sqft built 1910 · 0.13 acres | $58,500 Apr 1989 | $1,831 2025 | Assessor Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31 Balfour Ave |
3 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $5,000 Mar 1991 | $1,461 2025 | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
32 Balfour Ave |
3 bd · 1 ba · 1,344 sqft built 1910 · 0.13 acres | $100,000 Dec 2002 | $2,114 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
33 Balfour Ave |
3 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $27,000 Apr 1997 | $1,906 2025 | Assessor Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
34 Balfour Ave |
3 bd · 1 ba · 1,344 sqft built 1920 · 0.13 acres | $13,500 Jun 1972 | $1,915 2025 | Assessor + 2 Documents Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
35 Balfour Ave |
4 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $1,732 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
37 Balfour Ave |
4 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $75,000 Nov 2003 | $1,582 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
39 Balfour Ave |
4 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $110,000 Aug 2026 | $1,733 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
41 Balfour Ave |
3 bd · 1 ba · 1,013 sqft built 1920 · 0.069 acres | $105,000 Apr 2022 | $1,765 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
43 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.069 acres | $87,000 Feb 2004 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
45 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.069 acres | $125,000 Jan 2008 | $1,957 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
47 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.08 acres | $60,000 Sep 2025 | Assessor + 1 Document Updated Apr 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
49 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.089 acres | $30,300 Jul 2018 | $1,770 2025 | Assessor + 2 Documents Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
51 Balfour Ave |
3 bd · 1 ba · 1,265 sqft built 1920 · 0.1 acres | $1,939 2025 | Assessor Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
53 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.11 acres | $12,500 Oct 2015 | $1,861 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
55 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.139 acres | $60,000 Oct 2005 | $2,115 2025 | Assessor Updated May 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57 Balfour Ave |
5 bd · 1 ba · 1,361 sqft built 1920 · 0.169 acres | $10,000 Nov 2001 | $2,008 2025 | Assessor + 1 Document Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
59 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.219 acres | $22,100 Dec 2018 | $1,807 2025 | Assessor + 2 Documents Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
60 Balfour Ave |
1.16 acres | Assessor Updated Apr 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
61 Balfour Ave |
3 bd · 1 ba · 1,506 sqft built 1920 · 0.21 acres | $27,000 Jan 2011 | $1,540 2025 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
63 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.18 acres | $50,000 Nov 2010 | $1,712 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
65 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.15 acres | $2,070 2025 | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
67 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.13 acres | $1,728 2025 | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
69 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.1 acres | $112,000 Oct 2021 | $1,967 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
71 Balfour Ave |
4 bd · 1 ba · 1,541 sqft built 1920 · 0.08 acres | $80,000 Jun 2017 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
73 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.08 acres | $29,500 Jan 2005 | $2,042 2025 | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
75 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.08 acres | $65,000 Sep 2019 | Assessor + 6 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
77 Balfour Ave |
3 bd · 1 ba · 1,169 sqft built 1920 · 0.08 acres | Assessor + 3 Documents Updated May 2026 | 2 Owners on File |