Contra Costa County property records for 44 addresses on Castle Hill Rd, Walnut Creek, CA · Last verified October 2026
| Properties | 44 |
|---|---|
| Median Sale Price | $1,930,000 |
| Deeds and Mortgages on File | 79 |
| Median Price per Sqft | $736 |
| Owner Occupied | 86% |
| Median Annual Tax Bill | $11,477 |
| Median Year Built | 1960 |
| Median Ownership Tenure | 15 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1516 Castle Hill Rd |
6 bd · 3.5 ba · 3,548 sqft built 2024 · 0.419 acres | $307,000 Sep 1991 | $8,793 2025 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1521 Castle Hill Rd |
4 bd · 2 ba · 2,166 sqft built 1978 · 0.383 acres | $940,000 Sep 2014 | $13,560 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1524 Castle Hill Rd |
3 bd · 3 ba · 1,961 sqft built 1970 · 0.397 acres | $1,445,000 Jan 2022 | $17,898 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1531 Castle Hill Rd |
3 bd · 2 ba · 1,670 sqft built 1974 · 0.321 acres | $1,000,000 Jan 2020 | $13,088 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1532 Castle Hill Rd |
3 bd · 2 ba · 1,991 sqft built 1951 · 0.339 acres | $1,930,000 Jun 2022 | $23,528 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1541 Castle Hill Rd |
3 bd · 3.5 ba · 2,124 sqft built 1980 · 0.231 acres | $818,000 Nov 2016 | $11,510 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1551 Castle Hill Rd |
3 bd · 2.5 ba · 1,970 sqft built 1969 · 0.242 acres | $252,500 Mar 1997 | $5,845 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1561 Castle Hill Rd |
4 bd · 2 ba · 1,830 sqft built 1969 · 0.225 acres | — Jan 1997 | $7,203 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1592 Castle Hill Rd |
5 bd · 3 ba · 3,476 sqft built 1989 · 0.189 acres | $570,000 Sep 1989 | $12,626 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1611 Castle Hill Rd |
4 bd · 2 ba · 1,867 sqft built 1969 · 0.209 acres | $494,000 Oct 2000 | $9,268 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1621 Castle Hill Rd |
4 bd · 2 ba · 1,871 sqft built 1969 · 0.19 acres | $510,000 May 2000 | $9,984 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1642 Castle Hill Rd |
4 bd · 3 ba · 2,577 sqft built 1947 · 0.229 acres | $455,000 May 1998 | $8,732 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1656 Castle Hill Rd |
4 bd · 4 ba · 2,614 sqft built 1950 · 0.234 acres | $377,000 Feb 1992 | $8,418 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1661 Castle Hill Rd |
4 bd · 2 ba · 1,805 sqft built 1969 · 0.185 acres | $2,072 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1666 Castle Hill Rd |
3 bd · 2 ba · 3,552 sqft built 1935 · 0.4 acres | $2,800,000 Jul 2025 | $2,484 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1697 Castle Hill Rd |
2 bd · 1 ba · 1,639 sqft built 1923 · 0.679 acres | $6,199 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1699 Castle Hill Rd |
6 bd · 4 ba · 3,200 sqft built 1957 · 0.539 acres | — Jun 2024 | $4,798 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1700 Castle Hill Rd |
2 bd · 1 ba · 1,548 sqft built 1947 · 0.269 acres | $250,000 Jul 1994 | $5,796 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1770 Castle Hill Rd |
2 bd · 1 ba · 1,420 sqft built 1954 · 0.479 acres | $314,500 Sep 1997 | $6,261 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1780 Castle Hill Rd |
3 bd · 1 ba · 1,330 sqft built 1923 · 0.5 acres | $1,955 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1781 Castle Hill Rd |
4 bd · 2.5 ba · 2,853 sqft built 1950 · 0.62 acres | $690,000 Jun 2011 | $12,562 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1785 Castle Hill Rd |
4 bd · 3 ba · 2,526 sqft built 1986 · 0.463 acres | $2,500,000 Jun 2022 | $30,159 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1786 Castle Hill Rd |
4 bd · 5.5 ba · 5,531 sqft built 1985 · 0.918 acres | $2,280,000 Aug 2014 | $31,121 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1787 Castle Hill Rd |
3 bd · 3.5 ba · 2,320 sqft built 2001 · 0.459 acres | $11,145 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1788 Castle Hill Rd |
5 bd · 3 ba · 2,912 sqft built 1986 · 0.429 acres | $437,500 Jun 1993 | $9,345 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1789 Castle Hill Rd |
4 bd · 3.5 ba · 2,948 sqft built 1993 · 0.575 acres | $1,590,000 May 2015 | $22,043 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1790 Castle Hill Rd |
3 bd · 2 ba · 1,887 sqft built 1961 · 0.39 acres | $16,756 2025 | Assessor + 6 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1791 Castle Hill Rd |
4 bd · 3 ba · 2,538 sqft built 1950 · 0.4 acres | $285,000 Sep 1997 | $6,418 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1792 Castle Hill Rd |
4 bd · 4 ba · 2,417 sqft built 1950 · 0.562 acres | $815,000 Jun 2004 | $16,080 2025 | Assessor + 7 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1796 Castle Hill Rd |
3 bd · 3.5 ba · 2,821 sqft built 1952 · 0.366 acres | $1,145,000 Jan 2013 | $17,246 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1800 Castle Hill Rd |
4 bd · 3.5 ba · 2,753 sqft built 1949 · 0.273 acres | $82,900 Mar 2014 | $14,765 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1819 Castle Hill Rd |
5 bd · 2.5 ba · 3,060 sqft built 1978 · 0.476 acres | $1,426,000 Jul 2019 | $18,276 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1824 Castle Hill Rd |
4 bd · 3 ba · 2,374 sqft built 1945 · 0.46 acres | $475,000 Jan 2000 | $12,219 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1825 Castle Hill Rd |
3 bd · 2 ba · 1,375 sqft built 1958 · 0.539 acres | $2,759 2025 | Assessor + 6 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1830 Castle Hill Rd |
4 bd · 3 ba · 1,883 sqft built 1952 · 1.6 acres | $549,000 Jan 1999 | $11,010 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1855 Castle Hill Rd |
4 bd · 3 ba · 2,234 sqft built 1952 · 0.431 acres | $1,400,000 Jun 2020 | $17,868 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1861 Castle Hill Rd |
1 bd · 1 ba · 738 sqft built 1947 · 0.261 acres | $475,000 Feb 2017 | $7,228 2025 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1881 Castle Hill Rd |
2 bd · 2 ba · 1,527 sqft built 1947 · 0.359 acres | $1,100,000 Sep 2020 | $14,145 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1891 Castle Hill Rd |
4 bd · 3 ba · 2,102 sqft built 1948 · 0.6 acres | $950,000 Apr 2017 | $15,859 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1895 Castle Hill Rd |
3 bd · 2 ba · 1,983 sqft built 1962 · 0.536 acres | $280,000 Nov 1988 | $7,204 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1897 Castle Hill Rd |
5 bd · 3 ba · 2,610 sqft built 1960 · 0.609 acres | — Jul 1994 | $3,265 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1899, #A Castle Hill Rd |
5 bd · 4.5 ba · 5,590 sqft built 2002 · 0.718 acres | $2,280,000 Jan 2021 | $28,212 2025 | Assessor + 4 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1900 Castle Hill Rd |
3 bd · 2 ba · 1,855 sqft built 1950 · 1.48 acres | $1,500,000 Apr 2006 | $18,856 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1901 Castle Hill Rd |
4 bd · 3.5 ba · 3,655 sqft built 1991 · 0.458 acres | $535,000 Apr 1993 | $11,477 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |