3705 Union Ct
Antioch, CA 94509
3 bd 3 ba 1,701 sqft Built 1988 Lot 4,075 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 | $321,434 | $204,807 | $526,241 | $6,508 |
| 2024 | $321,434 | $204,807 | $526,241 | $6,358 |
| 2023 | $308,953 | $196,855 | $505,808 | $6,199 |
| 2022 | $302,896 | $192,996 | $495,892 | $6,101 |
| 2021 | $296,957 | $189,212 | $486,169 | $5,864 |
| 2020 | $293,913 | $187,272 | $481,185 | $5,863 |
| 2019 | $288,150 | $183,600 | $471,750 | $5,811 |
| 2018 | $157,635 | $56,297 | $213,932 | $2,855 |
| 2017 | $154,545 | $55,194 | $209,739 | $2,782 |
| 2016 | $151,515 | $54,112 | $205,627 | $2,714 |
| 2015 | $149,240 | $53,300 | $202,540 | $2,686 |
| 2014 | $146,317 | $52,256 | $198,573 | $2,607 |
| 2013 | $145,656 | $52,020 | $197,676 | $2,569 |
| 2012 | $142,800 | $51,000 | $193,800 | $2,428 |
| 2011 | $118,419 | $48,581 | $167,000 | $2,124 |
| 2010 | $141,819 | $58,181 | $200,000 | $2,490 |
| 2009 | $158,837 | $65,163 | $224,000 | $2,689 |
| 2008 | $223,699 | $91,772 | $315,471 | $3,542 |
| 2007 | $219,313 | $89,973 | $309,286 | $3,471 |
Property facts
Year built
1988
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
1,701 sqft
Lot size
4,075 sqft
ZIP code
94509
City
Antioch
Street
Union Ct
Coordinates
37.98371, -121.82639
Comparable properties nearby
Frequently asked questions
When did 3705 Union Ct last sell?
No public-record sale is on file for 3705 Union Ct.
What is the current tax assessment for 3705 Union Ct?
The most recent total assessment for 3705 Union Ct (year 2025) is $526,241 with $6,508 in property tax.
When was 3705 Union Ct built?
3705 Union Ct was built in 1988.
How does 3705 Union Ct compare to others on Union Ct?
We do not currently track other properties on Union Ct.
What are the property facts for 3705 Union Ct?
3705 Union Ct is a 3 bed, 3 bath, 1,701 sqft, 4,075 sqft lot single_family.
Is 3705 Union Ct a flip candidate?
No — 3705 Union Ct does not appear in our flips dataset.
Is 3705 Union Ct a tax-appeal candidate?
No — 3705 Union 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
+3.7%
Implied 1-yr
+14.9%
2026 Q3
$654K
2026 Q4
$673.5K
ZIP 94509 — Median Price History + Forecast
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Geography