Contra Costa County property records for 17 addresses on Diamond Blvd, Concord, CA · Last verified July 2026
| Properties | 21 |
|---|---|
| Median Sale Price | $2,500,000 |
| Deeds and Mortgages on File | 20 |
| Median Price per Sqft | $235 |
| Median Annual Tax Bill | $58,989 |
| Median Year Built | 1978 |
| Median Ownership Tenure | 13 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4,600 sqft · Built 1978 · 0.479 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,100,000Oct 2020 | $26,6042025 | Amount on Record Sep 2019 | 1 Name on Record | Assessor + 4 DocumentsUpdated Jul 2026 |
225,367 sqft · Built 1981 · 7.41 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $59,450,000Sep 2016 | $672,9932025 | —Jan 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
31,614 sqft · Built 1976 · 24.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2011 | $1,461,6692025 | 1 Name on Record | AssessorUpdated Jul 2026 |
34,226 sqft · Built 2017 · 30 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,250,000Nov 2015 | $2,585,9272025 | Amount on Record — | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
63,335 sqft · Built 1970 · 5.54 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,384,000Apr 2009 | $272,0272025 | —Dec 2004 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
8,338 sqft · Built 1978 · 1.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $76,4482025 | 1 Name on Record | AssessorUpdated Jul 2026 |
3.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,1562025 | 1 Name on Record | AssessorUpdated Jul 2026 |
19,788 sqft · Built 1983 · 0.458 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $84,3832025 | 1 Name on Record | AssessorUpdated Jul 2026 |
19,814 sqft · Built 1979 · 1.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $210,000Jun 1978 | $28,9092025 | 1 Name on Record | AssessorUpdated Jul 2026 |
13,172 sqft · Built 2015 · 1.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,150,000Jul 2013 | $94,9972025 | —May 2013 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
28,324 sqft · Built 1982 · 1.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000Oct 2016 | $58,9892025 | Amount on Record Nov 2008 | 1 Name on Record | AssessorUpdated Jul 2026 |
49,770 sqft · Built 1978 · 4.85 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,750,000Jul 2020 | $163,7172025 | Amount on Record May 2011 | 1 Name on Record | Assessor + 5 DocumentsUpdated Jul 2026 |
5,269 sqft · Built 1979 · 0.409 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000May 1982 | $18,0822025 | 1 Name on Record | AssessorUpdated Jul 2026 |
2.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,031,400Dec 1994 | 1 Name on Record | AssessorUpdated Jul 2026 |
5 units · Built 1970 · 3,200 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $1,381,000Sep 1995 | $7,7692025 | —5 units |
17,453 sqft · Built 2001 · 4.65 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,000Feb 1994 | $128,5942025 | —Feb 1994 | 2 Names on Record | AssessorUpdated Jul 2026 |
10,614 sqft · Built 1977 · 0.519 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,500,000Jul 2024 | $31,0572025 | Amount on Record May 1994 | 1 Name on Record | AssessorUpdated Jul 2026 |