Santa Clara County property records for 7 addresses on Cynthia Ave, Cupertino, CA · Last verified October 2026
| Properties | 7 |
|---|---|
| Median Sale Price | $1,900,000 |
| Deeds and Mortgages on File | 16 |
| Median Price per Sqft | $526 |
| Owner Occupied | 86% |
| Median Annual Tax Bill | $18,911 |
| Median Year Built | 2008 |
| Median Ownership Tenure | 12 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18620 Cynthia Ave |
4 bd · 2.5 ba · 3,018 sqft built 1991 · 0.206 acres | $602,500 Dec 1997 | $12,303 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18630 Cynthia Ave |
5 bd · 3 ba · 3,606 sqft built 2005 · 0.13 acres | $1,900,000 Dec 2014 | $27,747 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18631 Cynthia Ave |
5 bd · 4 ba · 2,292 sqft built 2008 · 0.153 acres | $1,180,000 Nov 2009 | $18,911 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18640 Cynthia Ave |
3 bd · 1 ba · 1,048 sqft built 1954 · 0.117 acres | — Mar 2018 | $3,499 2025 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18641 Cynthia Ave |
4 bd · 3.5 ba · 2,623 sqft built 2017 · 0.156 acres | $3,510,000 Jun 2021 | $45,364 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18650 Cynthia Ave |
4 bd · 3 ba · 2,143 sqft built 2015 · 0.13 acres | $506,100 Jan 2012 | $17,640 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
18651 Cynthia Ave |
4 bd · 3.5 ba · 3,338 sqft built 2014 · 0.193 acres | $2,300,000 Oct 2014 | $33,253 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |