Los Angeles County property records for 70 addresses on Costello Ave, Sherman Oaks, CA · Last verified October 2026
| Properties | 70 |
|---|---|
| Median Sale Price | $1,450,000 |
| Deeds and Mortgages on File | 151 |
| Median Price per Sqft | $787 |
| Owner Occupied | 89% |
| Median Annual Tax Bill | $13,083 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 10 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4206 Costello Ave |
2 bd · 3 ba · 2,189 sqft built 1950 · 0.16 acres | $530,000 Dec 2002 | $10,489 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4209 Costello Ave |
2 bd · 2 ba · 1,356 sqft built 1950 · 0.16 acres | $1,759,000 May 2024 | $21,644 2025 | Assessor + 3 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4212 Costello Ave |
4 bd · 5 ba · 4,048 sqft built 2014 · 0.16 acres | $2,828,000 Oct 2020 | $36,927 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4213 Costello Ave |
3 bd · 2 ba · 2,064 sqft built 1964 · 0.16 acres | $515,000 Sep 1999 | $9,737 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4218 Costello Ave |
4 bd · 3 ba · 2,861 sqft built 1932 · 0.16 acres | $1,860,000 Jun 2019 | $25,015 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4219 Costello Ave |
3 bd · 3 ba · 2,183 sqft built 1950 · 0.16 acres | $4,675,000 Apr 2026 | $21,518 2025 | Assessor + 7 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4222 Costello Ave |
3 bd · 3 ba · 1,932 sqft built 1939 · 0.16 acres | $970,000 Jan 2013 | $14,483 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4223 Costello Ave |
5 bd · 3 ba · 3,288 sqft built 1938 · 0.16 acres | $1,545,000 Dec 2016 | $21,798 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4226 Costello Ave |
3 bd · 4 ba · 2,540 sqft built 1939 · 0.16 acres | $850,000 Jul 2017 | $14,642 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4229 Costello Ave |
3 bd · 2 ba · 1,676 sqft built 1937 · 0.16 acres | $4,384 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4232 Costello Ave |
6 bd · 6 ba · 4,548 sqft built 2016 · 0.16 acres | $2,450,000 Jan 2017 | $34,436 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4233 Costello Ave |
5 bd · 6 ba · 4,486 sqft built 2018 · 0.16 acres | $2,920,000 Apr 2018 | $40,102 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4238 Costello Ave |
2 bd · 1 ba · 1,354 sqft built 1938 · 0.16 acres | $2,409 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4239 Costello Ave |
3 bd · 3 ba · 2,209 sqft built 1951 · 0.16 acres | $950,000 May 2013 | $14,247 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4242 Costello Ave |
4 bd · 2 ba · 2,015 sqft built 1938 · 0.16 acres | $887,500 Mar 2007 | $14,438 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4243 Costello Ave |
3 bd · 2 ba · 1,804 sqft built 1936 · 0.16 acres | $907,500 Jun 2012 | $13,838 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4246 Costello Ave |
5 bd · 6 ba · 4,063 sqft built 2016 · 0.16 acres | $2,415,000 Oct 2016 | $34,835 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4249 Costello Ave |
3 bd · 2 ba · 1,744 sqft built 1942 · 0.16 acres | $60,000 Feb 1995 | $5,978 2025 | Assessor Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4250 Costello Ave |
3 bd · 2 ba · 2,006 sqft built 1938 · 0.16 acres | $849,000 Sep 2009 | $13,364 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4253 Costello Ave |
4 bd · 5 ba · 3,230 sqft built 2021 · 0.16 acres | $2,855,000 Jun 2021 | $37,244 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4256 Costello Ave |
3 bd · 3 ba · 1,656 sqft built 1939 · 0.146 acres | $1,315,000 Aug 2023 | $16,206 2025 | Assessor + 5 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4259 Costello Ave |
2 bd · 1 ba · 1,041 sqft built 1936 · 0.204 acres | $1,100,000 Jun 2006 | $12,318 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5134 Costello Ave |
3 bd · 2 ba · 1,813 sqft built 1962 · 0.132 acres | $1,750,000 Feb 2022 | $8,094 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5138 Costello Ave |
3 bd · 2 ba · 1,813 sqft built 1962 · 0.131 acres | $950,000 Jan 2018 | $13,083 2025 | Assessor + 6 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5142 Costello Ave |
4 bd · 3 ba · 2,373 sqft built 1962 · 0.157 acres | $1,825,000 Oct 2021 | $23,366 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5144 Costello Ave |
4 bd · 2 ba · 1,681 sqft built 1956 · 0.116 acres | $700,000 Feb 2007 | $11,342 2025 | Assessor + 3 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5145 Costello Ave |
3 bd · 2 ba · 1,989 sqft built 1956 · 0.137 acres | $1,320,000 Jun 2024 | $3,274 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5152 Costello Ave |
4 bd · 2 ba · 1,746 sqft built 1956 · 0.115 acres | $1,375,000 Mar 2024 | $16,874 2025 | Assessor + 6 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5155 Costello Ave |
4 bd · 2 ba · 2,066 sqft built 1956 · 0.138 acres | $389,000 Jul 1989 | $8,224 2023 | Assessor Updated Dec 2023 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5159 Costello Ave |
7 bd · 5 ba · 3,507 sqft built 1956 · 0.225 acres | $4,336,363 Mar 2007 | $17,393 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5163 Costello Ave |
5 bd · 3 ba · 3,932 sqft built 1936 · 0.349 acres | $2,725 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5166 Costello Ave |
3 bd · 2 ba · 1,890 sqft built 1956 · 0.115 acres | $429,000 Mar 2002 | $7,752 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5171 Costello Ave |
3 bd · 2 ba · 1,752 sqft built 1956 · 0.12 acres | $908,000 Oct 2018 | $12,319 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5174 Costello Ave |
3 bd · 2 ba · 1,764 sqft built 1956 · 0.134 acres | $245,000 Jun 1998 | $4,956 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5177 Costello Ave |
3 bd · 2 ba · 1,752 sqft built 1956 · 0.143 acres | $475,000 Mar 2009 | $7,599 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5210 Costello Ave |
4 bd · 4 ba · 3,324 sqft built 2001 · 0.163 acres | $1,080,000 Sep 2013 | $16,184 2025 | Assessor + 7 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5218 Costello Ave |
2 bd · 2 ba · 1,917 sqft built 1987 · 0.145 acres | $4,106 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5219 Costello Ave |
3 bd · 3 ba · 2,120 sqft built 1961 · 0.152 acres | $1,220,000 Sep 2020 | $16,004 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5223 Costello Ave |
4 bd · 3 ba · 2,064 sqft built 1961 · 0.182 acres | $1,189,000 Dec 2016 | $16,800 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5229 Costello Ave |
5 bd · 3 ba · 2,376 sqft built 1961 · 0.182 acres | $1,961 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5233 Costello Ave |
4 bd · 2 ba · 2,064 sqft built 1961 · 0.175 acres | $1,400,000 May 2021 | $18,326 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5427 Costello Ave |
3 bd · 4 ba · 2,732 sqft built 1958 · 0.197 acres | $2,230,000 Jul 2023 | $27,443 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5429 Costello Ave |
3 bd · 3 ba · 2,504 sqft built 1962 · 0.16 acres | $1,450,000 Mar 2024 | $17,963 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5431 Costello Ave |
3 bd · 3 ba · 2,595 sqft built 1960 · 0.174 acres | $2,679 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5432 Costello Ave |
3 bd · 2 ba · 1,875 sqft built 1955 · 0.141 acres | $979,000 Apr 2018 | $13,564 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5437 Costello Ave |
3 bd · 3 ba · 2,285 sqft built 1960 · 0.179 acres | — Apr 2004 | $2,515 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5440 Costello Ave |
2 bd · 2 ba · 1,639 sqft built 1955 · 0.141 acres | $1,748 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5443 Costello Ave |
5 bd · 5 ba · 3,504 sqft built 2015 · 0.16 acres | $1,580,000 May 2016 | $22,708 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5446 Costello Ave |
3 bd · 3 ba · 1,924 sqft built 1955 · 0.142 acres | $320,000 Jun 1998 | $6,322 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5449 Costello Ave |
5 bd · 4 ba · 3,380 sqft built 2005 · 0.16 acres | $1,175,000 Oct 2007 | $19,671 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5452 Costello Ave |
3 bd · 2 ba · 1,875 sqft built 1955 · 0.143 acres | $801,000 Jul 2015 | $11,304 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5455 Costello Ave |
5 bd · 4 ba · 3,190 sqft built 2006 · 0.159 acres | $1,285,000 Nov 2005 | $22,182 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5502 Costello Ave |
3 bd · 2 ba · 2,145 sqft built 1949 · 0.16 acres | $1,656 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5503 Costello Ave |
4 bd · 3 ba · 2,018 sqft built 1962 · 0.156 acres | $1,980,000 Mar 2023 | $24,751 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5507 Costello Ave |
2 bd · 1 ba · 1,079 sqft built 1948 · 0.126 acres | — Jul 1988 | $3,900 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5508 Costello Ave |
2 bd · 2 ba · 1,890 sqft built 1949 · 0.167 acres | $320,000 Mar 2001 | $5,957 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5513 Costello Ave |
4 bd · 3 ba · 2,519 sqft built 1947 · 0.219 acres | $1,380,000 Feb 2023 | $17,463 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5514 Costello Ave |
2 bd · 2 ba · 1,626 sqft built 1948 · 0.167 acres | $6,700 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5519 Costello Ave |
3 bd · 3 ba · 1,856 sqft built 1947 · 0.185 acres | $1,355,000 Dec 2024 | $16,439 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5520 Costello Ave |
3 bd · 2 ba · 1,450 sqft built 1948 · 0.167 acres | $1,767 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5525 Costello Ave |
3 bd · 3 ba · 2,112 sqft built 1947 · 0.185 acres | $1,295,000 Aug 2026 | $10,274 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5526 Costello Ave |
3 bd · 2 ba · 1,406 sqft built 1949 · 0.167 acres | $1,414,000 Apr 2022 | $18,005 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5531 Costello Ave |
2 bd · 2 ba · 1,872 sqft built 1948 · 0.17 acres | $599,000 Feb 2012 | $10,691 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5532 Costello Ave |
3 bd · 3 ba · 1,486 sqft built 1948 · 0.167 acres | $660,000 Nov 2005 | $10,957 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5536 Costello Ave |
3 bd · 2 ba · 1,552 sqft built 1949 · 0.167 acres | $233,000 Feb 1999 | $5,588 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5537 Costello Ave |
2 bd · 2 ba · 1,315 sqft built 1948 · 0.17 acres | $595,000 Mar 2009 | $9,395 2025 | Assessor + 11 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5542 Costello Ave |
2 bd · 2 ba · 1,386 sqft built 1948 · 0.167 acres | $639,000 Apr 2013 | $9,562 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5543 Costello Ave |
4 bd · 5 ba · 2,476 sqft built 1948 · 0.17 acres | $1,983,181 Nov 2021 | $25,186 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5549 Costello Ave |
6 bd · 4 ba · 2,821 sqft built 1948 · 0.191 acres | $6,009 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5553 Costello Ave |
6 bd · 4 ba · 2,821 sqft built 1948 · 0.189 acres | $6,173 2025 | Assessor Updated Sep 2026 | Owner on File |