640 Derby Ct
Sunnyvale, CA 94087
4 bd 2 ba 2,040 sqft Built 1960 Lot 9,025 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $411,195 | $517,334 | $928,529 | $10,991 |
| 2024 | $411,195 | $517,334 | $928,529 | $10,697 |
| 2023 | $395,229 | $497,247 | $892,476 | $10,617 |
| 2022 | $387,480 | $487,498 | $874,978 | $10,649 |
| 2021 | $379,883 | $477,940 | $857,823 | $10,551 |
| 2020 | $375,988 | $473,040 | $849,028 | $10,432 |
| 2019 | $368,616 | $463,765 | $832,381 | $10,206 |
| 2018 | $361,389 | $454,672 | $816,061 | $9,974 |
| 2017 | $354,303 | $445,757 | $800,060 | $9,928 |
| 2016 | $347,356 | $437,017 | $784,373 | $9,622 |
| 2015 | $342,139 | $430,453 | $772,592 | $9,569 |
| 2014 | $335,437 | $422,022 | $757,459 | $9,338 |
| 2013 | $333,921 | $420,115 | $754,036 | $9,263 |
| 2012 | $327,374 | $411,878 | $739,252 | $9,143 |
| 2010 | $320,955 | $403,802 | $724,757 | $8,616 |
| 2009 | $318,557 | $400,785 | $719,342 | $8,612 |
| 2008 | $313,053 | $393,861 | $706,914 | $8,106 |
| 2007 | $306,915 | $386,139 | $693,054 | $7,902 |
Property facts
Year built
1960
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
2,040 sqft
Lot size
9,025 sqft
ZIP code
94087
City
Sunnyvale
Street
Derby Ct
Coordinates
37.34635, -122.02475
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 640 Derby Ct last sell?
No public-record sale is on file for 640 Derby Ct.
What is the current tax assessment for 640 Derby Ct?
The most recent total assessment for 640 Derby Ct (year 2025) is $928,529 with $10,991 in property tax.
When was 640 Derby Ct built?
640 Derby Ct was built in 1960.
How does 640 Derby Ct compare to others on Derby Ct?
We track 2 other properties on Derby Ct. Browse the list under "Other properties on Derby Ct" to compare beds, baths, and sale history.
What are the property facts for 640 Derby Ct?
640 Derby Ct is a 4 bed, 2 bath, 2,040 sqft, 9,025 sqft lot single_family.
Is 640 Derby Ct a flip candidate?
No — 640 Derby Ct does not appear in our flips dataset.
Is 640 Derby Ct a tax-appeal candidate?
No — 640 Derby Ct is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.2%
Implied 1-yr
-0.9%
2026 Q3
$2.25M
2026 Q4
$2.25M
ZIP 94087 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Derby Ct