Columbia County property records for 42 addresses on S 18th St, Saint Helens, OR · Last verified October 2026
| Properties | 42 |
|---|---|
| Median Sale Price | $299,500 |
| Deeds and Mortgages on File | 40 |
| Median Price per Sqft | $275 |
| Owner Occupied | 57% |
| Median Annual Tax Bill | $2,544 |
| Median Year Built | 1948 |
| Median Ownership Tenure | 10 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
204 S 18th St |
2 bd · 1 ba · 974 sqft built 1915 · 0.13 acres | $123,567 Jul 2008 | $1,917 2025 | Assessor Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
205 S 18th St |
2 bd · 1 ba · 1,238 sqft built 1929 · 0.177 acres | $385,000 Sep 2024 | $2,709 2025 | Assessor Updated Jun 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
214 S 18th St |
2 bd · 1 ba · 1,024 sqft built 1910 · 0.13 acres | $2,179 2025 | Assessor Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
215, #2 S 18th St |
5 bd · 2 ba · 1,839 sqft built 1940 · 0.116 acres | $345,000 Sep 2024 | $2,651 2025 | Assessor Updated Jun 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
224 S 18th St |
3 bd · 2 ba · 2,499 sqft built 1956 · 0.13 acres | $3,896 2025 | Assessor + 1 Document Updated Dec 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
225 S 18th St |
2 bd · 1 ba · 800 sqft built 1940 · 0.1 acres | $205,000 Aug 2019 | $1,496 2025 | Assessor + 1 Document Updated Dec 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
234 S 18th St |
3 bd · 1 ba · 1,410 sqft built 1910 · 0.13 acres | $299,000 Nov 2020 | $2,716 2025 | Assessor + 2 Documents Updated Dec 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
243 S 18th St |
4 bd · 3 ba · 2,073 sqft built 1963 · 0.197 acres | $3,200 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
244 S 18th St |
2 bd · 1 ba · 754 sqft built 1947 · 0.133 acres | $345,000 Jun 2025 | $1,919 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
254 S 18th St |
3 bd · 1 ba · 2,352 sqft built 1920 · 0.13 acres | $190,000 Jul 2016 | $2,474 2025 | Assessor + 1 Document Updated Dec 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
264 S 18th St |
2 bd · 1 ba · 865 sqft built 1948 · 0.13 acres | $99,100 Jul 2003 | $1,930 2025 | Assessor + 2 Documents Updated Dec 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
265 S 18th St |
2 bd · 2 ba · 1,194 sqft built 1948 · 0.239 acres | $142,500 Sep 2014 | $3,733 2025 | Assessor + 1 Document Updated Dec 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
274 S 18th St |
3 bd · 2 ba · 1,416 sqft built 1978 · 0.13 acres | $204,000 Aug 2016 | $3,162 2025 | Assessor + 1 Document Updated Dec 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
275 S 18th St |
2 bd · 1 ba · 724 sqft built 1948 · 0.12 acres | $299,500 Jan 2025 | $1,990 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
280 S 18th St |
4 bd · 2.5 ba · 1,620 sqft built 1940 · 0.133 acres | $203,000 Jul 2019 | $2,273 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
285 S 18th St |
5 bd · 2 ba · 1,848 sqft built 1930 · 0.131 acres | $117,500 Jul 2005 | $2,237 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
290 S 18th St |
3 bd · 1 ba · 1,099 sqft built 1910 · 0.137 acres | $185,000 Mar 2022 | $1,889 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
294 S 18th St |
2 bd · 1 ba · 1,135 sqft built 1949 · 0.13 acres | $150,000 Apr 2018 | $2,004 2025 | Assessor + 4 Documents Updated Dec 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
295 S 18th St |
0.26 acres | Assessor Updated Dec 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
304 S 18th St |
2 bd · 1 ba · 904 sqft built 1930 · 0.13 acres | $246,500 May 2019 | $2,189 2025 | Assessor + 2 Documents Updated Dec 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
314 S 18th St |
3 bd · 1 ba · 1,536 sqft built 1930 · 0.13 acres | $129,900 Oct 2011 | $2,337 2025 | Assessor Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
315 S 18th St |
3 bd · 2 ba · 1,136 sqft built 1979 · 0.11 acres | $269,900 Dec 2019 | $2,967 2025 | Assessor + 2 Documents Updated Dec 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
324 S 18th St |
3 bd · 2 ba · 1,260 sqft built 1991 · 0.13 acres | $149,900 Oct 2005 | $2,958 2025 | Assessor Updated Dec 2025 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
325, #1 S 18th St |
4 bd · 2 ba · 1,800 sqft built 1971 · 0.119 acres | $122,500 May 2002 | $2,499 2025 | Assessor Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
334 S 18th St |
3 bd · 2 ba · 1,275 sqft built 1992 · 0.133 acres | $148,000 Jun 2013 | $3,045 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
344 S 18th St |
2 bd · 2 ba · 1,303 sqft built 1941 · 0.133 acres | $358,500 Dec 2022 | $2,257 2025 | Assessor + 4 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
364, Apt 4 S 18th St |
8 bd · 4 ba · 3,015 sqft built 1948 · 0.269 acres | $375,000 Dec 2018 | $2,620 2025 | Assessor + 1 Document Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
374 S 18th St |
3 bd · 1 ba · 996 sqft built 1980 · 0.13 acres | $288,750 Jul 2021 | $2,544 2025 | Assessor + 1 Document Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
384 S 18th St |
3 bd · 1 ba · 1,040 sqft built 1984 · 0.13 acres | $2,554 2025 | Assessor Updated Dec 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
394 S 18th St |
5 bd · 2 ba · 2,052 sqft built 1997 · 0.133 acres | $192,500 Jan 2008 | $3,000 2025 | Assessor + 1 Document Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
400 S 18th St |
4 bd · 2 ba · 1,470 sqft built 1950 · 0.13 acres | $147,500 Jun 2010 | $2,672 2025 | Assessor Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
404 S 18th St |
2 bd · 1 ba · 1,200 sqft built 1947 · 0.13 acres | $135,000 Jun 2018 | $2,354 2025 | Assessor + 1 Document Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
414 S 18th St |
4 bd · 2 ba · 1,826 sqft built 1940 · 0.13 acres | $188,000 Mar 2006 | $2,549 2025 | Assessor Updated Dec 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
424 S 18th St |
2 bd · 1 ba · 872 sqft built 1940 · 0.133 acres | $75,000 Jan 2015 | $2,138 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
434, Apt 1 S 18th St |
4 bd · 4 ba · 2,413 sqft built 1938 · 0.133 acres | $245,000 Jun 2005 | $3,031 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
444, Apt 1 S 18th St |
4 bd · 2 ba · 1,265 sqft built 1965 · 0.13 acres | $114,000 Jul 2014 | $2,029 2025 | Assessor Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
454, Apt 2 S 18th St |
4 bd · 4 ba · 1,944 sqft built 1969 · 0.133 acres | $150,000 Jun 2003 | $3,217 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
464 S 18th St |
3 bd · 2 ba · 1,518 sqft built 2006 · 0.13 acres | $260,000 Jun 2017 | $3,269 2025 | Assessor + 1 Document Updated Dec 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
474 S 18th St |
1 bd · 1 ba · 534 sqft built 1930 · 0.133 acres | $42,500 Feb 2000 | $1,313 2025 | Assessor + 1 Document Updated May 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
475 S 18th St |
18.7 acres | Assessor Updated Dec 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
484 S 18th St |
2 bd · 1 ba · 896 sqft built 1940 · 0.13 acres | $90,000 Apr 2025 | $1,918 2025 | Assessor + 3 Documents Updated Dec 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
492 S 18th St |
3 bd · 2 ba · 1,614 sqft built 1972 · 0.13 acres | $3,102 2025 | Assessor Updated Dec 2025 | 2 Owners on File |