Los Angeles County property records for 20 addresses on Witherspoon Pkwy, Valencia, CA · Last verified September 2026
| Properties | 20 |
|---|---|
| Median Sale Price | $36,250,000 |
| Deeds and Mortgages on File | 22 |
| Median Price per Sqft | $177 |
| Owner Occupied | 5% |
| Median Annual Tax Bill | $64,352 |
| Median Year Built | 2003 |
| Median Ownership Tenure | 11 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28104 Witherspoon Pkwy |
188,795 sqft built 2000 · 6.68 acres | $119,116,000 Aug 2023 | $473,464 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28144 Witherspoon Pkwy |
180,000 sqft built 2000 · 3.63 acres | $119,116,000 Aug 2023 | $210,741 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28328 Witherspoon Pkwy |
36,550 sqft built 2000 · 1.61 acres | $2,700,027 Nov 2002 | $57,068 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28350 Witherspoon Pkwy |
27,711 sqft built 2000 · 1.56 acres | — Oct 2000 | $54,720 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28355 Witherspoon Pkwy |
229,179 sqft built 1999 · 6.03 acres | $119,116,000 Aug 2023 | $543,579 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28410 Witherspoon Pkwy |
15,290 sqft built 1999 · 0.756 acres | — Sep 2000 | $31,424 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28411 Witherspoon Pkwy |
31,920 sqft built 2003 · 2.39 acres | — Dec 2001 | $39,771 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28415 Witherspoon Pkwy |
17,960 sqft built 2000 · 1.23 acres | $400,000 Jun 2008 | $35,765 2025 | Assessor Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28420 Witherspoon Pkwy |
11,540 sqft built 1999 · 0.747 acres | — Jan 2021 | $27,543 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28430 Witherspoon Pkwy |
36,450 sqft built 1999 · 1.48 acres | $4,791,000 Jul 2015 | $85,222 2025 | Assessor + 4 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28447 Witherspoon Pkwy |
20,976 sqft built 2002 · 1.63 acres | — Mar 1999 | $37,676 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28470 Witherspoon Pkwy |
111,324 sqft built 2005 · 5.27 acres | $7,353,500 Sep 2016 | $243,303 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28525 Witherspoon Pkwy |
70,764 sqft built 2007 · 5.54 acres | $10,926,000 Aug 2020 | $166,313 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28541 Witherspoon Pkwy |
127,000 sqft built 2025 · 2.91 acres | $9,500,000 Jun 2021 | $64,352 2025 | Assessor + 4 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28624 Witherspoon Pkwy |
204,350 sqft built 2006 · 9.5 acres | $36,250,000 Sep 2016 | $561,848 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28720 Witherspoon Pkwy |
30,452 sqft built 2005 · 1.48 acres | $2,813,028 Jan 2011 | $53,707 2025 | Assessor Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28732 Witherspoon Pkwy |
27,818 sqft built 2005 · 1.24 acres | $2,919,090 Jan 2006 | $57,139 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28744 Witherspoon Pkwy |
23,176 sqft built 2005 · 4.23 acres | $2,708,000 Jul 2013 | $46,924 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28751 Witherspoon Pkwy |
207,378 sqft built 2006 · 11 acres | $275,351 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
28777 Witherspoon Pkwy |
93,498 sqft built 2017 · 5.45 acres | $121,092 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File |