Contra Costa County property records for 49 addresses on Castle Rock Loop, Discovery Bay, CA · Last verified October 2026
| Properties | 49 |
|---|---|
| Median Sale Price | $770,000 |
| Deeds and Mortgages on File | 90 |
| Median Price per Sqft | $256 |
| Owner Occupied | 86% |
| Median Annual Tax Bill | $10,300 |
| Median Year Built | 2003 |
| Median Ownership Tenure | 12 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3001 Castle Rock Loop |
4 bd · 4 ba · 3,917 sqft built 2003 · 0.376 acres | $595,500 Feb 2004 | $11,462 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3004 Castle Rock Loop |
3 bd · 3 ba · 3,578 sqft built 2004 · 0.167 acres | $548,500 May 2004 | $10,953 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3007 Castle Rock Loop |
3 bd · 2.5 ba · 2,779 sqft built 2003 · 0.285 acres | $940,000 May 2021 | $13,339 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3012 Castle Rock Loop |
3 bd · 2.5 ba · 2,794 sqft built 2004 · 0.175 acres | $310,000 Sep 2013 | $7,012 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3015 Castle Rock Loop |
4 bd · 4 ba · 3,578 sqft built 2003 · 0.208 acres | $326,000 Mar 2010 | $6,796 2025 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3020 Castle Rock Loop |
4 bd · 3 ba · 3,198 sqft built 2004 · 0.166 acres | $635,000 May 2020 | $9,797 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3021 Castle Rock Loop |
5 bd · 3 ba · 3,394 sqft built 2003 · 0.18 acres | $305,000 Jan 2010 | $6,499 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3026 Castle Rock Loop |
5 bd · 4 ba · 3,917 sqft built 2004 · 0.15 acres | $840,000 Jan 2021 | $12,233 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3027 Castle Rock Loop |
3 bd · 3 ba · 2,302 sqft built 2003 · 0.165 acres | $730,000 Mar 2022 | $9,737 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3032 Castle Rock Loop |
4 bd · 3 ba · 3,578 sqft built 2004 · 0.15 acres | $172,500 Sep 2017 | $6,582 2025 | Assessor + 4 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3033 Castle Rock Loop |
4 bd · 2.5 ba · 2,609 sqft built 2003 · 0.165 acres | $272,000 Jun 2012 | $5,929 2025 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3038 Castle Rock Loop |
3 bd · 2 ba · 2,528 sqft built 2004 · 0.15 acres | $399,000 May 2004 | $8,321 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3039 Castle Rock Loop |
3 bd · 3 ba · 3,578 sqft built 2003 · 0.165 acres | $868,000 Sep 2024 | $11,700 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3044 Castle Rock Loop |
4 bd · 2.5 ba · 2,609 sqft built 2003 · 0.15 acres | $495,000 Dec 2014 | $11,588 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3045 Castle Rock Loop |
5 bd · 3 ba · 3,394 sqft built 2003 · 0.165 acres | $620,000 Jul 2007 | $11,035 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3050 Castle Rock Loop |
4 bd · 3 ba · 3,198 sqft built 2003 · 0.15 acres | $590,000 Mar 2018 | $9,543 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3051 Castle Rock Loop |
3 bd · 2.5 ba · 2,794 sqft built 2003 · 0.165 acres | $810,000 Jun 2024 | $11,241 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3056 Castle Rock Loop |
5 bd · 4 ba · 3,917 sqft built 2003 · 0.15 acres | $577,000 Mar 2004 | $11,173 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3057 Castle Rock Loop |
4 bd · 3 ba · 3,578 sqft built 2003 · 0.165 acres | $500,000 May 2014 | $8,903 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3062 Castle Rock Loop |
4 bd · 3 ba · 3,198 sqft built 2003 · 0.15 acres | $600,000 May 2017 | $9,818 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3063 Castle Rock Loop |
4 bd · 4 ba · 3,917 sqft built 2003 · 0.165 acres | $574,000 Apr 2004 | $11,129 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3069 Castle Rock Loop |
5 bd · 3 ba · 3,394 sqft built 2003 · 0.195 acres | $689,000 Aug 2019 | $10,368 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3070 Castle Rock Loop |
3 bd · 2.5 ba · 2,794 sqft built 2003 · 0.161 acres | $458,500 Mar 2004 | $9,340 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3075 Castle Rock Loop |
3 bd · 3 ba · 3,578 sqft built 2003 · 0.359 acres | $427,000 Jun 2009 | $8,211 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3081 Castle Rock Loop |
4 bd · 4 ba · 3,917 sqft built 2003 · 0.217 acres | $575,000 Jun 2004 | $11,063 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3087 Castle Rock Loop |
4 bd · 3 ba · 2,528 sqft built 2003 · 0.165 acres | $629,000 Mar 2005 | $10,384 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3093 Castle Rock Loop |
3 bd · 2.5 ba · 2,609 sqft built 2004 · 0.165 acres | $730,000 May 2021 | $10,770 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3099 Castle Rock Loop |
4 bd · 3 ba · 3,578 sqft built 2004 · 0.323 acres | $593,500 Aug 2004 | $11,031 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3105 Castle Rock Loop |
5 bd · 4 ba · 3,917 sqft built 2003 · 0.252 acres | $669,000 Apr 2020 | $10,128 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3110 Castle Rock Loop |
3 bd · 3 ba · 2,302 sqft built 2004 · 0.161 acres | $690,000 Jun 2025 | $8,795 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3111 Castle Rock Loop |
4 bd · 3 ba · 3,198 sqft built 2004 · 0.15 acres | $750,000 Dec 2021 | $10,909 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3116 Castle Rock Loop |
5 bd · 3 ba · 3,394 sqft built 2004 · 0.15 acres | $870,000 May 2021 | $10,910 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3117 Castle Rock Loop |
4 bd · 2.5 ba · 2,794 sqft built 2004 · 0.15 acres | $504,500 Apr 2016 | $9,967 2025 | Assessor + 3 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3122 Castle Rock Loop |
4 bd · 3 ba · 3,578 sqft built 2004 · 0.15 acres | $655,000 Sep 2019 | $4,244 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3123 Castle Rock Loop |
6 bd · 4 ba · 3,394 sqft built 2004 · 0.15 acres | $869,000 Aug 2023 | $11,824 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3128 Castle Rock Loop |
4 bd · 2.5 ba · 2,794 sqft built 2004 · 0.15 acres | $279,000 Jun 2011 | $6,102 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3129 Castle Rock Loop |
4 bd · 3 ba · 3,578 sqft built 2004 · 0.15 acres | $638,500 Aug 2004 | $10,505 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3134 Castle Rock Loop |
3 bd · 2 ba · 2,302 sqft built 2004 · 0.15 acres | $500,000 Jul 2007 | $9,307 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3135 Castle Rock Loop |
4 bd · 2.5 ba · 2,609 sqft built 2004 · 0.15 acres | $255,000 Sep 2012 | $5,626 2025 | Assessor Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3140 Castle Rock Loop |
4 bd · 4 ba · 3,917 sqft built 2003 · 0.16 acres | $670,000 Jun 2019 | $10,300 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3141 Castle Rock Loop |
4 bd · 3 ba · 3,198 sqft built 2004 · 0.15 acres | $730,000 Oct 2020 | $10,846 2025 | Assessor + 5 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3146 Castle Rock Loop |
3 bd · 2.5 ba · 2,794 sqft built 2003 · 0.154 acres | $715,000 Mar 2026 | $10,510 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3147 Castle Rock Loop |
5 bd · 3 ba · 3,394 sqft built 2004 · 0.156 acres | $302,000 Dec 2009 | $6,457 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3152 Castle Rock Loop |
3 bd · 3 ba · 3,578 sqft built 2002 · 0.168 acres | $970,000 Nov 2024 | $12,818 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3153 Castle Rock Loop |
3 bd · 2.5 ba · 2,794 sqft built 2004 · 0.158 acres | $477,500 Aug 2004 | $9,399 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3158 Castle Rock Loop |
3 bd · 3 ba · 2,528 sqft built 2002 · 0.185 acres | $770,000 Sep 2023 | $10,717 2025 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3159 Castle Rock Loop |
5 bd · 4 ba · 3,917 sqft built 2004 · 0.157 acres | $615,000 May 2019 | $9,705 2025 | Assessor + 4 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3164 Castle Rock Loop |
5 bd · 3 ba · 3,394 sqft built 2004 · 0.224 acres | $320,500 Aug 2010 | $6,685 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
3165 Castle Rock Loop |
4 bd · 3 ba · 3,578 sqft built 2004 · 0.174 acres | $562,500 Aug 2004 | $10,696 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |