Los Angeles County property records for 31 addresses on Northampton St, Diamond Bar, CA · Last verified August 2026
| Properties | 31 |
|---|---|
| Median Sale Price | $750,000 |
| Deeds and Mortgages on File | 49 |
| Median Price per Sqft | $492 |
| Owner Occupied | 84% |
| Median Annual Tax Bill | $7,303 |
| Median Year Built | 1964 |
| Median Ownership Tenure | 17 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3 ba · 1,851 sqft · built 1964 · 0.197 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $637,000May 2018 | $9,3842025 | Amount on Record Dec 2017 | 1 Name on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jun 2026 |
5 bd · 2 ba · 1,753 sqft · built 1964 · 0.188 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $960,000Mar 2022 | $12,7782025 | —Mar 2022 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 2 ba · 1,487 sqft · built 1964 · 0.185 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $668,000Dec 2018 | $9,4502025 | —Apr 2017 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
5 bd · 2 ba · 1,753 sqft · built 1964 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $918,000Sep 2024 | $11,6002025 | Amount on Record Aug 2008 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jun 2026 |
4 bd · 2 ba · 1,389 sqft · built 1964 · 0.194 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $177,000Aug 1993 | $4,8292025 | —Mar 2012 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
5 bd · 2 ba · 1,753 sqft · built 1964 · 0.182 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $224,000Mar 2000 | $4,7902025 | —Jun 1994 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,266 sqft · built 1964 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,8322025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
5 bd · 2 ba · 1,753 sqft · built 1964 · 0.182 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $560,000Nov 2015 | $8,5842025 | Amount on Record Sep 1998 | 1 Name on Record | Assessor + 4 DocumentsUpdated Jun 2026 |
3 bd · 3 ba · 1,878 sqft · built 1964 · 0.185 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,8902025 | —Feb 1994 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
5 bd · 2 ba · 1,753 sqft · built 1964 · 0.187 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $488,000Jul 2009 | $8,1382025 | Amount on Record Sep 1997 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
4 bd · 2 ba · 1,389 sqft · built 1964 · 0.187 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $167,000Jul 1991 | $4,1482025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,266 sqft · built 1964 · 0.186 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $186,000Jun 1989 | $5,1112025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,266 sqft · built 1964 · 0.184 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $526,000Sep 2007 | $8,6162025 | —Sep 2007 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
4 bd · 2 ba · 1,389 sqft · built 1964 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,6432025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 3 ba · 1,765 sqft · built 1963 · 0.185 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000May 1999 | $6,6722025 | —Jan 2020 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,443 sqft · built 1963 · 0.184 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $178,000Nov 1999 | $4,0112025 | —Feb 2005 | 2 Names on Record | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 3 ba · 1,991 sqft · built 1963 · 0.186 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $158,000Jul 1996 | $4,7512025 | —Oct 2007 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,188 sqft · built 1963 · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $509,000Jul 2006 | $8,6382025 | Amount on Record Jun 2004 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2 ba · 1,389 sqft · built 1963 · 0.188 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000Mar 2005 | $8,3822025 | Amount on Record Feb 2003 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,296 sqft · built 1963 · 0.186 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 2006 | $1,6682025 | 2 Names on Record | AssessorUpdated Jun 2026 |
4 bd · 2 ba · 1,389 sqft · built 1963 · 0.188 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Mar 2004 | $7,3032025 | —Feb 2000 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 1,266 sqft · built 1963 · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $623,000Jun 2018 | $9,0252025 | Amount on Record Mar 2010 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 bd · 2 ba · 1,389 sqft · built 1963 · 0.213 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $357,000Nov 2011 | $6,0242025 | —Nov 2011 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,668 sqft · built 1963 · 0.234 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $180,000Jun 1995 | $4,3682025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 1,188 sqft · built 1963 · 0.179 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $415,000Jul 2010 | $9,3692025 | —Aug 2020 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 3 ba · 1,795 sqft · built 1964 · 0.178 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $898,000Dec 2021 | $11,9972025 | Amount on Record Jul 2021 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
5 bd · 2 ba · 1,753 sqft · built 1965 · 0.177 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $460,000Nov 2009 | $7,6722025 | Amount on Record Jul 2008 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 1,266 sqft · built 1963 · 0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000May 2010 | $6,9682025 | —May 2010 | 2 Names on Record | AssessorUpdated Jun 2026 |
6 bd · 4 ba · 1,965 sqft · built 1963 · 0.224 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $431,500Feb 2010 | $8,5472025 | Amount on Record Aug 2007 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 bd · 2 ba · 1,624 sqft · built 1972 · 0.229 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $201,002Jan 1992 | $4,8412025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 4 ba · 2,604 sqft · built 1972 · 0.227 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000May 2017 | $11,0902025 | Amount on Record Jun 2003 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |