Warren County, Knowlton Township and Hope Township property records for 51 addresses on Koeck Rd, Columbia, NJ · Last verified October 2026
| Properties | 51 |
|---|---|
| Median Sale Price | $383,000 |
| Deeds and Mortgages on File | 30 |
| Median Price per Sqft | $170 |
| Owner Occupied | 63% |
| Median Annual Tax Bill | $9,725 |
| Median Year Built | 1980 |
| Median Ownership Tenure | 12 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3 Koeck Rd |
2,253 sqft built 1978 · 5.81 acres | $355,000 Jan 2021 | $11,092 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5 Koeck Rd |
2,267 sqft built 1984 · 1 acre | $445,000 Jun 2016 | $14,825 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
7 Koeck Rd |
1,302 sqft built 1972 · 1.66 acres | $235,000 Aug 2016 | $7,227 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
8 Koeck Rd |
2,108 sqft built 1980 · 2.71 acres | $217,500 Nov 1998 | $11,297 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10 Koeck Rd |
1,894 sqft built 1982 · 1.83 acres | $2,500,000 Oct 2016 | $9,042 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
11 Koeck Rd |
1,898 sqft built 1973 · 3 acres | $248,000 Apr 2012 | $10,276 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 Koeck Rd |
1,476 sqft built 1981 · 2.68 acres | $13,900 Dec 1979 | $8,563 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
13 Koeck Rd |
2,672 sqft built 1980 · 1.6 acres | $223,000 Feb 1999 | $11,408 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
14 Koeck Rd |
2,650 sqft built 1987 · 3.04 acres | $324,000 Jun 2017 | $11,737 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
15 Koeck Rd |
2,600 sqft built 2002 · 1.6 acres | $279,900 Feb 2002 | $11,976 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
16 Koeck Rd |
2,360 sqft built 1979 · 6.11 acres | $105,000 Apr 2021 | $3,502 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17 Koeck Rd |
2,170 sqft built 1990 · 3.1 acres | $383,000 Dec 2020 | $9,678 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Koeck Rd |
2,233 sqft built 1994 · 2.06 acres | $47,500 Mar 1993 | $12,685 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Koeck Rd |
1,308 sqft built 1980 · 2.18 acres | $13,000 May 1978 | $7,568 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Koeck Rd |
26 acres | $385,000 Sep 2026 | $6,129 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
22 Koeck Rd |
3,488 sqft built 1979 · 2.1 acres | $595,000 Apr 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
24 Koeck Rd |
1,848 sqft built 1984 · 88.8 acres | $255,000 May 2010 | $354 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Koeck Rd |
1,518 sqft built 1978 · 1.88 acres | $415,000 Jun 2006 | $11,856 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
26 Koeck Rd |
1,598 sqft built 1870 · 2.81 acres | $175,000 Jan 2018 | $6,676 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
27 Koeck Rd |
2,000 sqft built 1973 · 2.3 acres | $499,900 Aug 2025 | $8,760 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 Koeck Rd |
2,160 sqft built 1989 · 2 acres | $430,000 Apr 2007 | $10,016 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
30 Koeck Rd |
1,880 sqft built 1981 · 3.28 acres | — Aug 1980 | $9,746 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
31 Koeck Rd |
2,237 sqft built 2000 · 1.36 acres | $380,000 Jul 2004 | $11,092 2025 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
32 Koeck Rd |
1.56 acres | — Mar 1986 | $401 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
33 Koeck Rd |
2,760 sqft built 2002 · 1.43 acres | $353,000 Jul 2020 | $11,801 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
34 Koeck Rd |
2,396 sqft built 1800 · 4 acres | — Aug 1993 | $8,632 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
35 Koeck Rd |
2,135 sqft built 2000 · 1.43 acres | $499,000 Nov 2024 | $11,421 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
36 Koeck Rd |
2,906 sqft built 1978 · 1 acre | $20,200 Sep 1976 | $11,638 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
37 Koeck Rd |
built 1930 · 1 acre | $825,000 Mar 2021 | $17,972 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
44 Koeck Rd |
2,744 sqft 29.1 acres | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
45 Koeck Rd |
7.81 acres | $34 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
46 Koeck Rd |
2,494 sqft built 2008 · 5.26 acres | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
47 Koeck Rd |
3 acres | $13 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
48 Koeck Rd |
2,702 sqft built 1740 · 5.93 acres | $257,500 Jul 2016 | $9,571 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
49 Koeck Rd |
12.6 acres | $51 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
51 Koeck Rd |
2,275 sqft built 2006 · 1.63 acres | $11,643 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
53 Koeck Rd |
2,237 sqft built 2010 · 2.26 acres | $315,000 Nov 2017 | $11,707 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
54 Koeck Rd |
938 sqft built 1976 · 1 acre | $8,879 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
54, #A Koeck Rd |
4.95 acres | $90 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
54, #B Koeck Rd |
7.08 acres | $124 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
55 Koeck Rd |
1,847 sqft built 2012 · 3.51 acres | $11,075 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57 Koeck Rd |
2,174 sqft built 1975 · 1 acre | $160,000 Jul 2007 | $10,942 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
58 Koeck Rd |
1,630 sqft built 1969 · 1.68 acres | $155,000 Jun 1997 | $9,725 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
60 Koeck Rd |
1,808 sqft built 1979 · 6.45 acres | $372,500 Dec 2005 | $9 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
60A Koeck Rd |
2,892 sqft built 2000 · 5 acres | $525,000 Jul 2014 | $18,271 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
64 Koeck Rd |
3.86 acres | $240,000 Jan 2021 | $132 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
115 Koeck Rd |
3,868 sqft built 1977 · 6.31 acres | — Apr 2021 | $13,653 2025 | Assessor + 4 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
117 Koeck Rd |
13.2 acres | $240,000 Jan 2021 | $52 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
120 Koeck Rd |
1,898 sqft built 1999 · 1 acre | $10,814 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
129 Koeck Rd |
1.33 acres | $372,500 Dec 2005 | $184 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
131 Koeck Rd |
1.63 acres | $160,000 Jul 2007 | $180 2025 | Assessor Updated Jul 2026 | Owner on File |