640 San Diego Ave
Sunnyvale, CA 94085
4 bd 3 ba 1,616 sqft Built 1954 Lot 6,850 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 | $218,187 | $1,357,884 | $1,576,071 | $18,674 |
| 2024 | $218,187 | $1,357,884 | $1,576,071 | $18,000 |
| 2023 | $209,715 | $1,305,156 | $1,514,871 | $17,834 |
| 2022 | $205,603 | $1,279,565 | $1,485,168 | $17,549 |
| 2021 | $201,572 | $1,254,476 | $1,456,048 | $17,383 |
| 2020 | $192,900 | $1,200,100 | $1,393,000 | $16,596 |
| 2019 | $195,595 | $1,217,268 | $1,412,863 | $16,776 |
| 2018 | $191,760 | $1,193,400 | $1,385,160 | $16,457 |
| 2017 | $184,789 | $739,160 | $923,949 | $11,179 |
| 2016 | $181,166 | $724,667 | $905,833 | $10,747 |
| 2015 | $178,445 | $713,782 | $892,227 | $10,810 |
| 2014 | $101,538 | $575,024 | $676,562 | $8,251 |
| 2013 | $101,080 | $572,426 | $673,506 | $8,108 |
| 2012 | $82,200 | $465,800 | $548,000 | $6,644 |
| 2010 | $78,000 | $444,000 | $522,000 | $6,780 |
| 2009 | $85,200 | $482,800 | $568,000 | $7,573 |
| 2008 | $94,765 | $536,652 | $631,417 | $7,282 |
| 2007 | $92,907 | $526,130 | $619,037 | $7,090 |
Property facts
Year built
1954
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
1,616 sqft
Lot size
6,850 sqft
ZIP code
94085
City
Sunnyvale
Street
San Diego Ave
Coordinates
37.39198, -122.02209
Comparable properties nearby
Frequently asked questions
When did 640 San Diego Ave last sell?
No public-record sale is on file for 640 San Diego Ave.
What is the current tax assessment for 640 San Diego Ave?
The most recent total assessment for 640 San Diego Ave (year 2025) is $1,576,071 with $18,674 in property tax.
When was 640 San Diego Ave built?
640 San Diego Ave was built in 1954.
How does 640 San Diego Ave compare to others on San Diego Ave?
We track 2 other properties on San Diego Ave. Browse the list under "Other properties on San Diego Ave" to compare beds, baths, and sale history.
What are the property facts for 640 San Diego Ave?
640 San Diego Ave is a 4 bed, 3 bath, 1,616 sqft, 6,850 sqft lot single_family.
Is 640 San Diego Ave a flip candidate?
No — 640 San Diego Ave does not appear in our flips dataset.
Is 640 San Diego Ave a tax-appeal candidate?
No — 640 San Diego Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.1%
Implied 1-yr
+12.3%
2026 Q2
$1.88M
2026 Q3
$1.93M
ZIP 94085 — Median Price History + Forecast
Explore nearby
Geography
Other properties on San Diego Ave