523 Union Ave
Porterville, CA 93257
— ba 876 sqft Built 1954 Lot 18,828 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 | $76,554 | $32,808 | $109,362 | $1,565 |
| 2024 | $76,554 | $32,808 | $109,362 | $1,543 |
| 2023 | $73,582 | $31,535 | $105,117 | $1,542 |
| 2022 | $72,140 | $30,917 | $103,057 | $1,507 |
| 2021 | $70,725 | $30,311 | $101,036 | $1,493 |
| 2020 | $40,726 | $31,254 | $71,980 | $1,173 |
| 2019 | $39,927 | $30,641 | $70,568 | $700 |
| 2018 | $39,144 | $30,040 | $69,184 | $686 |
| 2017 | $38,376 | $29,451 | $67,827 | $667 |
| 2016 | $37,624 | $28,874 | $66,498 | $639 |
| 2015 | $37,059 | $28,440 | $65,499 | $628 |
| 2014 | $39,000 | $13,000 | $52,000 | $481 |
| 2013 | $39,000 | $13,000 | $52,000 | $482 |
| 2012 | $37,000 | $12,000 | $49,000 | $447 |
| 2010 | $39,000 | $13,000 | $52,000 | $573 |
| 2009 | $34,505 | $26,480 | $60,985 | $573 |
| 2008 | $33,909 | $26,023 | $59,932 | $560 |
| 2007 | $33,244 | $25,513 | $58,757 | $550 |
Property facts
Year built
1954
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
876 sqft
Lot size
18,828 sqft
ZIP code
93257
City
Porterville
Street
Union Ave
Coordinates
36.06020, -119.02878
Comparable properties nearby
Frequently asked questions
When did 523 Union Ave last sell?
No public-record sale is on file for 523 Union Ave.
What is the current tax assessment for 523 Union Ave?
The most recent total assessment for 523 Union Ave (year 2025) is $109,362 with $1,565 in property tax.
When was 523 Union Ave built?
523 Union Ave was built in 1954.
How does 523 Union Ave compare to others on Union Ave?
We track 8 other properties on Union Ave. Browse the list under "Other properties on Union Ave" to compare beds, baths, and sale history.
What are the property facts for 523 Union Ave?
523 Union Ave is a — bath, 876 sqft, 18,828 sqft lot single_family.
Is 523 Union Ave a flip candidate?
No — 523 Union Ave does not appear in our flips dataset.
Is 523 Union Ave a tax-appeal candidate?
No — 523 Union 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
-0.6%
Implied 1-yr
-2.5%
2026 Q1
$339.9K
2026 Q2
$337.6K
ZIP 93257 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Ave