Contra Costa County property records for 18 addresses on Trinity Ave, Walnut Creek, CA · Last verified August 2026
| Properties | 40 |
|---|---|
| Median Sale Price | $1,350,000 |
| Deeds and Mortgages on File | 68 |
| Median Price per Sqft | $801 |
| Owner Occupied | 55% |
| Median Annual Tax Bill | $12,033 |
| Median Year Built | 1979 |
| Median Ownership Tenure | 5 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
5,758 sqft · 0.189 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,2292025 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
4,941 sqft · Built 1972 · 0.16 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,430,000Sep 2019 | $34,0852025 | —May 1995 | 2 Names on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
22,468 sqft · Built 1963 · 1.34 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $37,305,000Dec 2021 | $246,5852025 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
31,500 sqft · Built 1963 · 1.34 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $37,305,000Dec 2021 | $238,9092025 | Amount on Record May 1994 | 1 Name on Record | Assessor + 8 DocumentsUpdated Jul 2026 |
67,611 sqft · Built 1968 · 1.8 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $31,000,000Aug 2025 | $410,2852025 | Amount on Record Aug 2018 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4.5 ba · 27,382 sqft · 0.863 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,450,000Jun 2000 | $100,3822025 | —Aug 2010 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
17,484 sqft · Built 1961 · 0.751 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Apr 2004 | $53,5102025 | —Apr 2004 | 1 Name on Record | AssessorUpdated Jul 2026 |
35,743 sqft · Built 2018 · 0.618 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $28,4992025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
1.09 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 2020 | $6812025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
7,192 sqft · Built 1953 · 1.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,8202025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1 ba · 1,025 sqft · 0.16 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $255,000Mar 2000 | $8092025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
12 units · Built 1979 · 867 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $577,000Nov 2025 | $7,2082025 | $560,00012 units |
0.456 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Jul 2005 | Amount on Record Sep 2004 | 1 Name on Record | AssessorUpdated Jul 2026 |
12 units · Built 2020 · 1,435 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $1,475,000Jun 2025 | $14,1882025 | $1,350,00012 units |
23,275 sqft · Built 2019 · 0.287 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Aug 2023 |
3,120 sqft · Built 1938 · 0.273 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $825,000Aug 2013 | $16,2712025 | —Oct 2009 | 1 Name on Record | AssessorUpdated Jul 2026 |
5,016 sqft · Built 1989 · 0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,721,500May 2024 | $35,3802025 | Amount on Record Jun 1999 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
20,548 sqft · Built 2005 · 0.438 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000Mar 2005 | $11,5192025 | —Mar 2005 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |