Alameda County property records for 61 addresses on Carlwyn Dr, Castro Valley, CA · Last verified October 2026
| Properties | 61 |
|---|---|
| Median Sale Price | $1,269,500 |
| Deeds and Mortgages on File | 95 |
| Median Price per Sqft | $634 |
| Owner Occupied | 93% |
| Median Annual Tax Bill | $8,220 |
| Median Year Built | 1956 |
| Median Ownership Tenure | 12 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18314 Carlwyn Dr |
3 bd · 2 ba · 1,604 sqft built 1957 · 0.274 acres | $473,000 Apr 2000 | $9,447 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18321 Carlwyn Dr |
3 bd · 2 ba · 1,738 sqft built 1956 · 0.145 acres | $475,000 Jul 2012 | $7,771 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18322 Carlwyn Dr |
3 bd · 2.5 ba · 1,734 sqft built 1956 · 0.196 acres | $1,100,000 Jul 2020 | $14,836 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18329 Carlwyn Dr |
3 bd · 2 ba · 1,631 sqft built 1955 · 0.146 acres | $875,000 Jul 2017 | $12,534 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18337 Carlwyn Dr |
3 bd · 2 ba · 1,585 sqft built 1958 · 0.126 acres | $294,000 Oct 1998 | $6,307 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18345 Carlwyn Dr |
3 bd · 2 ba · 1,478 sqft built 1958 · 0.126 acres | $638,000 Nov 2014 | $9,917 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18353 Carlwyn Dr |
3 bd · 2 ba · 1,809 sqft built 1958 · 0.126 acres | $1,265,000 Aug 2025 | $13,084 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18354 Carlwyn Dr |
3 bd · 2 ba · 1,456 sqft built 1959 · 0.119 acres | $840,000 Dec 2017 | $12,064 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18361 Carlwyn Dr |
3 bd · 2 ba · 1,428 sqft built 1956 · 0.126 acres | $468,000 Oct 2012 | $7,669 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18362 Carlwyn Dr |
4 bd · 2.5 ba · 1,896 sqft built 1959 · 0.119 acres | $1,050,000 May 2021 | $16,177 2025 | Assessor + 7 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18369 Carlwyn Dr |
3 bd · 2 ba · 1,428 sqft built 1956 · 0.126 acres | $285,000 Mar 1999 | $6,141 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18370 Carlwyn Dr |
3 bd · 2.5 ba · 2,280 sqft built 1958 · 0.119 acres | $242,500 Oct 1993 | $5,650 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18377 Carlwyn Dr |
5 bd · 4 ba · 2,446 sqft built 1955 · 0.126 acres | $428,000 Jun 2008 | $7,901 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18378 Carlwyn Dr |
3 bd · 2.5 ba · 2,220 sqft built 1958 · 0.119 acres | $2,169 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18385 Carlwyn Dr |
3 bd · 2 ba · 1,428 sqft built 1955 · 0.126 acres | $3,320 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18386 Carlwyn Dr |
3 bd · 3 ba · 2,239 sqft built 1958 · 0.119 acres | $485,000 Nov 2002 | $9,074 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18393 Carlwyn Dr |
3 bd · 2 ba · 1,598 sqft built 1957 · 0.126 acres | $210,000 Sep 1988 | $5,436 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18394 Carlwyn Dr |
3 bd · 2.5 ba · 2,178 sqft built 1958 · 0.119 acres | $791,000 Aug 2016 | $11,566 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18401 Carlwyn Dr |
3 bd · 2 ba · 1,596 sqft built 1959 · 0.126 acres | $1,987 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18402 Carlwyn Dr |
4 bd · 2.5 ba · 2,448 sqft built 1955 · 0.137 acres | $870,000 Mar 2016 | $12,966 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18409 Carlwyn Dr |
3 bd · 2 ba · 1,434 sqft built 1956 · 0.126 acres | $208,500 Sep 2014 | $7,738 2025 | Assessor + 4 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18410 Carlwyn Dr |
4 bd · 3 ba · 2,382 sqft built 1957 · 0.124 acres | $758,000 May 2014 | $11,750 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18417 Carlwyn Dr |
3 bd · 2 ba · 1,428 sqft built 1955 · 0.126 acres | $435,000 Sep 2002 | $8,220 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18418 Carlwyn Dr |
4 bd · 2.5 ba · 2,272 sqft built 1955 · 0.119 acres | $1,425,000 Apr 2021 | $15,466 2025 | Assessor + 4 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18425 Carlwyn Dr |
3 bd · 2 ba · 1,441 sqft built 1958 · 0.143 acres | $715,000 Nov 2015 | $10,856 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18426 Carlwyn Dr |
4 bd · 2.5 ba · 2,118 sqft built 1956 · 0.119 acres | $1,100,000 Jan 2023 | $14,291 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18433 Carlwyn Dr |
4 bd · 2 ba · 1,870 sqft built 1956 · 0.177 acres | $1,320,000 Jul 2024 | $16,445 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18434 Carlwyn Dr |
4 bd · 3 ba · 2,406 sqft built 1959 · 0.119 acres | $4,741 2025 | Assessor + 4 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18442 Carlwyn Dr |
4 bd · 3 ba · 2,030 sqft built 1959 · 0.119 acres | $430,000 Feb 2012 | $7,159 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18450 Carlwyn Dr |
4 bd · 2.5 ba · 2,019 sqft built 1962 · 0.119 acres | $710,000 Jan 2006 | $12,235 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18458 Carlwyn Dr |
3 bd · 2.5 ba · 2,170 sqft built 1959 · 0.119 acres | $915,000 Aug 2017 | $13,071 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18466 Carlwyn Dr |
5 bd · 3 ba · 1,800 sqft built 1958 · 0.119 acres | $269,000 Nov 1997 | $5,937 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18473 Carlwyn Dr |
3 bd · 2 ba · 1,758 sqft built 1957 · 0.15 acres | $1,301,000 Jun 2025 | $5,281 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18474 Carlwyn Dr |
3 bd · 2.5 ba · 2,046 sqft built 1960 · 0.119 acres | $920,000 Oct 2019 | $12,767 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18481 Carlwyn Dr |
3 bd · 2 ba · 1,883 sqft built 1961 · 0.193 acres | $460,000 Oct 2010 | $7,740 2025 | Assessor Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18482 Carlwyn Dr |
3 bd · 2.5 ba · 2,108 sqft built 1958 · 0.119 acres | $250,000 Oct 1989 | $6,214 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18490 Carlwyn Dr |
3 bd · 2 ba · 1,828 sqft built 1958 · 0.119 acres | $2,387 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18498 Carlwyn Dr |
4 bd · 2 ba · 2,872 sqft built 1954 · 0.146 acres | $3,305 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18506 Carlwyn Dr |
3 bd · 2 ba · 2,376 sqft built 1955 · 0.149 acres | $269,000 Aug 1992 | $6,689 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18514 Carlwyn Dr |
4 bd · 2 ba · 2,618 sqft built 1954 · 0.146 acres | $440,000 May 2011 | $8,031 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18517 Carlwyn Dr |
2 bd · 1.5 ba · 1,699 sqft built 1953 · 0.173 acres | $496,000 Jul 2002 | $9,262 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18522 Carlwyn Dr |
4 bd · 3 ba · 2,551 sqft built 1955 · 0.148 acres | $1,365,000 Dec 2023 | $17,469 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18530 Carlwyn Dr |
2 bd · 2.5 ba · 2,449 sqft built 1954 · 0.149 acres | $1,100,000 Sep 2020 | $14,836 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18538 Carlwyn Dr |
4 bd · 3 ba · 2,167 sqft built 1953 · 0.249 acres | $2,531 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18545 Carlwyn Dr |
3 bd · 2.5 ba · 1,726 sqft built 1954 · 0.179 acres | $1,380,000 Jan 2022 | $17,271 2025 | Assessor + 4 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18546 Carlwyn Dr |
3 bd · 1.5 ba · 1,580 sqft built 1954 · 0.418 acres | $1,269,500 Sep 2021 | $16,760 2025 | Assessor + 4 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18554 Carlwyn Dr |
3 bd · 2 ba · 1,906 sqft built 1955 · 0.282 acres | $2,169 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18555 Carlwyn Dr |
3 bd · 2.5 ba · 2,257 sqft built 1958 · 0.155 acres | $528,000 Dec 2009 | $8,828 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18562 Carlwyn Dr |
3 bd · 2 ba · 1,611 sqft built 1955 · 0.216 acres | $990,000 Nov 2017 | $14,161 2025 | Assessor + 5 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18570 Carlwyn Dr |
3 bd · 2.5 ba · 1,702 sqft built 1954 · 0.185 acres | $850,000 Apr 2006 | $14,492 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18578 Carlwyn Dr |
4 bd · 2 ba · 1,551 sqft built 1954 · 0.175 acres | $52,000 Jun 2009 | $2,375 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18579 Carlwyn Dr |
3 bd · 2 ba · 1,585 sqft built 1954 · 0.17 acres | $824,000 Dec 2019 | $11,503 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18584 Carlwyn Dr |
4 bd · 3 ba · 2,345 sqft built 1955 · 0.18 acres | — Oct 1989 | $2,285 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18585 Carlwyn Dr |
4 bd · 2 ba · 1,710 sqft built 1954 · 0.365 acres | $485,000 Mar 2013 | $4,119 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18593 Carlwyn Dr |
3 bd · 2 ba · 1,372 sqft built 1954 · 0.258 acres | $3,477 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18601 Carlwyn Dr |
3 bd · 3 ba · 2,164 sqft built 1954 · 0.162 acres | $187,500 Jun 2019 | $12,223 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18604 Carlwyn Dr |
3 bd · 2.5 ba · 2,228 sqft built 1954 · 0.165 acres | $250,000 Nov 1997 | $5,579 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18609 Carlwyn Dr |
3 bd · 2 ba · 1,814 sqft built 1954 · 0.186 acres | $772,500 Nov 2016 | $11,365 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18617 Carlwyn Dr |
3 bd · 2.5 ba · 2,314 sqft built 1954 · 0.223 acres | — Sep 1992 | $5,087 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18625 Carlwyn Dr |
3 bd · 2 ba · 1,580 sqft built 1959 · 0.137 acres | $252,000 Aug 1989 | $6,257 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18626 Carlwyn Dr |
3 bd · 2 ba · 1,581 sqft built 1955 · 0.11 acres | $615,000 Sep 2014 | $9,508 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |