Contra Costa County property records for 12 addresses on Guaymas Ct, San Ramon, CA · Last verified October 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $780,000 |
| Deeds and Mortgages on File | 22 |
| Median Price per Sqft | $396 |
| Owner Occupied | 75% |
| Median Annual Tax Bill | $6,818 |
| Median Year Built | 1978 |
| Median Ownership Tenure | 9 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2.5 ba · 1,790 sqft · built 1978 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $875,000Dec 2025 | $4,1272025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,790 sqft · built 1978 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,050,000Oct 2023 | $12,5512025 | Amount on Record Jan 2018 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
3 bd · 2.5 ba · 1,790 sqft · built 1978 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $345,000Aug 2000 | $6,8182025 | —Aug 2000 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 1,965 sqft · built 1978 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Mar 2015 | $9,0892025 | Amount on Record Jun 2012 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
4 bd · 2.5 ba · 1,965 sqft · built 1979 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Dec 1993 | $4,1632025 | —Aug 2003 | Owner on Record | AssessorUpdated Sep 2026 |
3 bd · 2.5 ba · 1,790 sqft · built 1978 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $429,000May 2012 | $6,7902025 | —Sep 2011 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |
4 bd · 2.5 ba · 1,965 sqft · built 1978 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,115,000Oct 2024 | $13,0282025 | —Oct 2024 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
3 bd · 2.5 ba · 1,790 sqft · built 1978 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,0062025 | —Mar 2021 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 1,790 sqft · built 1978 · 0.053 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Sep 2017 | $9,5792025 | Amount on Record May 2012 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |
4 bd · 2.5 ba · 1,965 sqft · built 1978 · 0.053 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $780,000Oct 2017 | $10,6412025 | Amount on Record Apr 2010 | Owner on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
3 bd · 2.5 ba · 1,790 sqft · built 1978 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $282,500Oct 1999 | $5,8272025 | —Mar 1999 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
3 bd · 2.5 ba · 1,790 sqft · built 1978 · 0.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,3622025 | —Jan 1999 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |