521 Derby Ct
Fairfield, CA 94533
4 bd 2 ba 1,559 sqft Built 1972 Lot 8,712 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 | $340,965 | $108,242 | $449,207 | $5,018 |
| 2024 | $340,965 | $108,242 | $449,207 | $5,019 |
| 2023 | $327,726 | $104,040 | $431,766 | $4,865 |
| 2022 | $321,300 | $102,000 | $423,300 | $4,806 |
| 2021 | $315,000 | $100,000 | $415,000 | $4,758 |
| 2020 | $325,000 | $75,000 | $400,000 | $4,526 |
| 2019 | $325,000 | $75,000 | $400,000 | $4,502 |
| 2018 | $229,887 | $70,028 | $299,915 | $3,562 |
| 2017 | $225,380 | $68,655 | $294,035 | $3,398 |
| 2016 | $220,961 | $67,309 | $288,270 | $3,371 |
| 2015 | $214,195 | $66,298 | $280,493 | $3,109 |
| 2014 | $84,806 | $25,864 | $110,670 | $1,251 |
| 2013 | $84,423 | $25,747 | $110,170 | $1,247 |
| 2012 | $82,768 | $25,242 | $108,010 | $1,211 |
| 2011 | $81,145 | $24,747 | $105,892 | $1,185 |
| 2010 | $80,539 | $24,562 | $105,101 | $1,174 |
| 2009 | $80,730 | $24,620 | $105,350 | $1,173 |
| 2008 | $79,147 | $24,137 | $103,284 | $1,060 |
| 2007 | $77,595 | $23,664 | $101,259 | $1,036 |
Property facts
Year built
1972
Property type
single_family
Stories
2
Beds
4
Baths
2
Living area
1,559 sqft
Lot size
8,712 sqft
ZIP code
94533
City
Fairfield
Street
Derby Ct
Coordinates
38.27712, -122.02734
Comparable properties nearby
Frequently asked questions
When did 521 Derby Ct last sell?
No public-record sale is on file for 521 Derby Ct.
What is the current tax assessment for 521 Derby Ct?
The most recent total assessment for 521 Derby Ct (year 2025) is $449,207 with $5,018 in property tax.
When was 521 Derby Ct built?
521 Derby Ct was built in 1972.
How does 521 Derby Ct compare to others on Derby Ct?
We do not currently track other properties on Derby Ct.
What are the property facts for 521 Derby Ct?
521 Derby Ct is a 4 bed, 2 bath, 1,559 sqft, 8,712 sqft lot single_family.
Is 521 Derby Ct a flip candidate?
No — 521 Derby Ct does not appear in our flips dataset.
Is 521 Derby Ct a tax-appeal candidate?
No — 521 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
-2.8%
Implied 1-yr
-11.3%
2026 Q3
$433.7K
2026 Q4
$418.7K
ZIP 94533 — Median Price History + Forecast
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Geography