Santa Clara County property records for 12 addresses on S Castlerock Ter, Sunnyvale, CA · Last verified October 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $623,000 |
| Deeds and Mortgages on File | 7 |
| Median Price per Sqft | $420 |
| Owner Occupied | 92% |
| Median Annual Tax Bill | $7,108 |
| Median Year Built | 1971 |
| Median Ownership Tenure | 18 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
502 S Castlerock Ter |
3 bd · 2.5 ba · 1,568 sqft built 1971 · 0.06 acres | $660,000 Mar 2008 | $10,248 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
505 S Castlerock Ter |
2 bd · 1.5 ba · 1,188 sqft built 1971 · 0.044 acres | $500,000 Oct 2012 | $7,108 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
508 S Castlerock Ter |
2 bd · 1.5 ba · 1,188 sqft built 1971 · 0.041 acres | $585,000 Dec 2007 | $9,098 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
509 S Castlerock Ter |
3 bd · 2.5 ba · 1,496 sqft built 1971 · 0.04 acres | $231,000 Jan 1991 | $5,234 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
512 S Castlerock Ter |
3 bd · 2.5 ba · 1,572 sqft built 1971 · 0.07 acres | $1,309,000 May 2021 | $16,564 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
513 S Castlerock Ter |
3 bd · 2.5 ba · 1,568 sqft built 1971 · 0.04 acres | $3,564 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
516 S Castlerock Ter |
3 bd · 2.5 ba · 1,496 sqft built 1971 · 0.05 acres | $623,000 Nov 2009 | $9,437 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
517 S Castlerock Ter |
2 bd · 1.5 ba · 1,188 sqft built 1971 · 0.04 acres | $1,190,000 Aug 2023 | $14,283 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
520 S Castlerock Ter |
3 bd · 2.5 ba · 1,572 sqft built 1971 · 0.07 acres | $197,000 Mar 1988 | $4,371 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
521 S Castlerock Ter |
3 bd · 2.5 ba · 1,568 sqft built 1971 · 0.04 acres | $2,254 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
524 S Castlerock Ter |
2 bd · 1.5 ba · 1,188 sqft built 1971 · 0.05 acres | $195,000 Jul 1995 | $3,851 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
525 S Castlerock Ter |
3 bd · 2.5 ba · 1,496 sqft built 1971 · 0.039 acres | $297,000 Nov 1997 | $5,599 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |