King County property records for 54 addresses on 18th Ave, Kirkland, WA · Last verified October 2026
| Properties | 54 |
|---|---|
| Median Sale Price | $2,410,000 |
| Deeds and Mortgages on File | 131 |
| Median Price per Sqft | $828 |
| Owner Occupied | 76% |
| Median Annual Tax Bill | $16,084 |
| Median Year Built | 2004 |
| Median Ownership Tenure | 8 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10 18th Ave |
built 1979 · 0.315 acres | Assessor Updated Jan 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10, #10-A 18th Ave |
2 bd · 2.5 ba · 1,180 sqft built 1979 · 0.315 acres | $1,001,000 Feb 2024 | $7,804 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10, #10-B 18th Ave |
2 bd · 2.5 ba · 1,180 sqft built 1979 · 0.315 acres | $675,000 Jul 2026 | $7,449 2026 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12, #A 18th Ave |
2 bd · 2.5 ba · 1,180 sqft built 1979 · 0.315 acres | $957,750 May 2024 | $7,449 2026 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12, #B 18th Ave |
2 bd · 2.5 ba · 1,180 sqft built 1979 · 0.315 acres | $325,800 Aug 2007 | $7,449 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
15 18th Ave |
5 bd · 3.5 ba · 3,830 sqft built 2020 · 0.126 acres | $2,500,000 Jul 2021 | $25,006 2026 | Assessor + 5 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28 18th Ave |
4 bd · 2 ba · 2,210 sqft built 1930 · 0.214 acres | $1,030,000 Jun 2017 | $14,730 2026 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
103 18th Ave |
5 bd · 3.5 ba · 2,820 sqft built 1915 · 0.197 acres | $1,350,000 May 2016 | $22,097 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
108 18th Ave |
4 bd · 2 ba · 2,020 sqft built 1965 · 0.142 acres | $630,500 May 2013 | $14,637 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
112 18th Ave |
5 bd · 1.5 ba · 2,020 sqft built 1965 · 0.142 acres | $1,400,000 Oct 2025 | $13,056 2026 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
115 18th Ave |
2 bd · 1 ba · 1,160 sqft built 1942 · 0.252 acres | $11,534 2026 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
121 18th Ave |
3 bd · 2.5 ba · 2,970 sqft built 2003 · 0.164 acres | $782,000 Apr 2010 | $19,754 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
137 18th Ave |
4 bd · 3.5 ba · 3,100 sqft built 2007 · 0.16 acres | $402,000 Jan 2005 | $23,137 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
140 18th Ave |
4 bd · 3.25 ba · 3,280 sqft built 2017 · 0.281 acres | $1,620,000 Mar 2019 | $25,362 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
141 18th Ave |
4 bd · 1.75 ba · 2,260 sqft built 1947 · 0.16 acres | $1,735,000 Sep 2025 | $15,872 2026 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
205 18th Ave |
4 bd · 3.25 ba · 3,870 sqft built 2017 · 0.165 acres | $2,800,000 Apr 2021 | $30,859 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
217 18th Ave |
2 bd · 2.5 ba · 2,250 sqft built 1956 · 0.185 acres | $355,000 May 1993 | $14,578 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
222 18th Ave |
3 bd · 1 ba · 1,510 sqft built 1954 · 0.242 acres | $385,000 Apr 2002 | $12,878 2026 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
223 18th Ave |
3 bd · 1 ba · 950 sqft built 1954 · 0.143 acres | $850,000 Mar 2020 | $10,527 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
224 18th Ave |
3 bd · 2.5 ba · 2,080 sqft built 1988 · 0.213 acres | $950,500 Jul 2016 | $15,999 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
226 18th Ave |
3 bd · 2.5 ba · 2,310 sqft built 1988 · 0.165 acres | $1,600,000 Sep 2023 | $15,898 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
228 18th Ave |
2 bd · 2 ba · 1,660 sqft built 1967 · 0.165 acres | $1,150,000 Nov 2023 | $13,479 2026 | Assessor + 4 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
229 18th Ave |
4 bd · 3.5 ba · 4,060 sqft built 2007 · 0.152 acres | $1,225,000 Nov 2012 | $24,304 2026 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
302 18th Ave |
3 bd · 2.25 ba · 1,320 sqft built 1963 · 0.146 acres | $1,410,000 Jun 2025 | $12,675 2026 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
304 18th Ave |
4 bd · 2.5 ba · 2,730 sqft built 2005 · 0.149 acres | $1,699,000 Sep 2018 | $21,801 2026 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
306 18th Ave |
3 bd · 3.5 ba · 2,760 sqft built 2007 · 0.142 acres | $2,410,000 Jul 2023 | $20,059 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
310 18th Ave |
4 bd · 4.25 ba · 4,300 sqft built 2016 · 0.158 acres | $485,000 Nov 2013 | $25,725 2026 | Assessor + 6 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
311 18th Ave |
4 bd · 3.5 ba · 4,070 sqft built 2008 · 0.206 acres | $969,200 Nov 2009 | $26,157 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
319 18th Ave |
5 bd · 4 ba · 3,800 sqft built 2025 · 0.152 acres | $3,000,000 Jun 2026 | $8,140 2026 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
321 18th Ave |
4 bd · 1 ba · 1,090 sqft built 1930 · 0.242 acres | $2,600,000 Nov 2023 | $9,455 2024 | Assessor + 2 Documents Updated Mar 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
325 18th Ave |
3 bd · 1 ba · 960 sqft built 2024 · 0.322 acres | $3,075,000 Nov 2025 | $10,185 2025 | Assessor + 8 Documents Updated Apr 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
331 18th Ave |
built 2023 · 0.111 acres | Assessor Updated Jan 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
340 18th Ave |
4 bd · 2 ba · 1,880 sqft built 1969 · 0.218 acres | $14,527 2026 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
345 18th Ave |
4 bd · 1.5 ba · 1,650 sqft built 1961 · 0.159 acres | $275,000 Mar 2012 | $12,464 2026 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
401 18th Ave |
5 bd · 4 ba · 3,900 sqft built 2024 · 0.165 acres | $3,726,000 Mar 2025 | $31,197 2026 | Assessor + 10 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
407 18th Ave |
3 bd · 2.25 ba · 2,130 sqft built 1989 · 0.166 acres | $229,000 May 1998 | $15,991 2026 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
411 18th Ave |
5 bd · 2.5 ba · 2,420 sqft built 2020 · 0.172 acres | $370,000 Jul 2012 | $21,720 2026 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
415 18th Ave |
4 bd · 2.5 ba · 2,950 sqft built 2005 · 0.173 acres | $856,000 Oct 2012 | $22,664 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
419 18th Ave |
4 bd · 2.5 ba · 3,150 sqft built 2004 · 0.198 acres | $1,150,000 May 2015 | $20,896 2026 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
423 18th Ave |
4 bd · 3.5 ba · 2,900 sqft built 2005 · 0.169 acres | $1,745,000 Apr 2018 | $22,740 2026 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
427 18th Ave |
4 bd · 3.5 ba · 2,860 sqft built 2005 · 0.169 acres | $816,000 May 2011 | $22,655 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
430 18th Ave |
121,172 sqft built 2004 · 15.2 acres | $23,946 2024 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
431 18th Ave |
4 bd · 3.5 ba · 2,930 sqft built 2005 · 0.171 acres | $2,670,000 Aug 2021 | $23,509 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
437 18th Ave |
4 bd · 4.5 ba · 3,410 sqft built 2005 · 0.176 acres | $1,166,500 Jun 2006 | $23,493 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
439 18th Ave |
4 bd · 3.5 ba · 3,840 sqft built 2006 · 0.155 acres | $875,000 May 2012 | $24,575 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
443 18th Ave |
4 bd · 3.5 ba · 2,990 sqft built 2005 · 0.174 acres | $1,762,755 Aug 2019 | $23,103 2026 | Assessor + 4 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
505 18th Ave |
5 bd · 3.25 ba · 3,420 sqft built 2026 · 0.165 acres | $6,000,000 Oct 2025 | $5,541 2026 | Assessor + 6 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
513 18th Ave |
4 bd · 3 ba · 3,140 sqft built 2020 · 0.166 acres | $2,600,000 Jun 2021 | $26,283 2026 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
517 18th Ave |
5 bd · 3.5 ba · 3,620 sqft built 2020 · 0.24 acres | $3,200,000 Nov 2023 | $30,309 2026 | Assessor + 10 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
521 18th Ave |
4 bd · 3 ba · 3,030 sqft built 2017 · 0.166 acres | $2,100,000 Oct 2020 | $25,327 2026 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
525 18th Ave |
3 bd · 1 ba · 1,220 sqft built 1962 · 0.165 acres | $244,500 Apr 1998 | $11,889 2026 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
531 18th Ave |
3 bd · 3.25 ba · 2,310 sqft built 1988 · 0.179 acres | $214,000 May 1994 | $16,084 2026 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
535 18th Ave |
3 bd · 2.25 ba · 1,700 sqft built 1988 · 0.168 acres | $665,050 Jun 2015 | $14,401 2026 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
539 18th Ave |
4 bd · 2.25 ba · 1,770 sqft built 1988 · 0.168 acres | $216,500 Jul 1996 | $14,485 2026 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |