507 18th St
Antioch, CA 94509
— ba 1,160 sqft Built 1965 Lot 9,810 sqft other
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 | $218,727 | $382,774 | $601,501 | $7,338 |
| 2024 | $218,727 | $382,774 | $601,501 | $7,164 |
| 2023 | $210,235 | $367,911 | $578,146 | $8,573 |
| 2022 | $206,113 | $360,698 | $566,811 | $7,994 |
| 2021 | $202,072 | $353,626 | $555,698 | $6,665 |
| 2020 | $200,000 | $350,000 | $550,000 | $6,709 |
| 2019 | $115,792 | $117,745 | $233,537 | $3,209 |
| 2018 | $113,522 | $115,437 | $228,959 | $3,101 |
| 2017 | $111,297 | $113,174 | $224,471 | $3,263 |
| 2016 | $109,115 | $110,955 | $220,070 | $2,950 |
| 2015 | $107,476 | $109,289 | $216,765 | $2,922 |
| 2014 | $105,371 | $107,149 | $212,520 | $2,838 |
| 2013 | $104,895 | $106,665 | $211,560 | $2,800 |
| 2012 | $102,839 | $104,574 | $207,413 | $2,650 |
| 2011 | $100,823 | $102,524 | $203,347 | $2,589 |
| 2010 | $100,070 | $101,758 | $201,828 | $2,586 |
| 2009 | $100,308 | $102,000 | $202,308 | $2,568 |
| 2008 | $98,342 | $100,000 | $198,342 | $2,415 |
| 2007 | $96,414 | $98,040 | $194,454 | $2,368 |
Property facts
Year built
1965
Property type
other
Stories
1
Beds
—
Baths
—
Living area
1,160 sqft
Lot size
9,810 sqft
ZIP code
94509
City
Antioch
Street
18th St
Coordinates
38.00515, -121.79646
Comparable properties nearby
Frequently asked questions
When did 507 18th St last sell?
No public-record sale is on file for 507 18th St.
What is the current tax assessment for 507 18th St?
The most recent total assessment for 507 18th St (year 2025) is $601,501 with $7,338 in property tax.
When was 507 18th St built?
507 18th St was built in 1965.
How does 507 18th St compare to others on 18th St?
We track 8 other properties on 18th St. Browse the list under "Other properties on 18th St" to compare beds, baths, and sale history.
What are the property facts for 507 18th St?
507 18th St is a — bath, 1,160 sqft, 9,810 sqft lot other.
Is 507 18th St a flip candidate?
No — 507 18th St does not appear in our flips dataset.
Is 507 18th St a tax-appeal candidate?
No — 507 18th St 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
Explore nearby
Geography
Other properties on 18th St