20105 Prosa Ct
Walnut, CA 91789
4 bd 3 ba 1,886 sqft Built 1979 Lot 6,837 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 | $280,845 | $539,384 | $820,229 | $10,503 |
| 2024 | $280,845 | $539,384 | $820,229 | $10,106 |
| 2023 | $269,941 | $518,440 | $788,381 | $9,760 |
| 2022 | $264,649 | $508,275 | $772,924 | $9,546 |
| 2021 | $259,460 | $498,309 | $757,769 | $10,140 |
| 2020 | $152,266 | $76,121 | $228,387 | $3,150 |
| 2019 | $149,281 | $74,629 | $223,910 | $3,096 |
| 2018 | $146,354 | $73,166 | $219,520 | $2,969 |
| 2017 | $143,485 | $71,732 | $215,217 | $2,907 |
| 2016 | $140,672 | $70,326 | $210,998 | $2,838 |
| 2015 | $138,559 | $69,270 | $207,829 | $2,794 |
| 2014 | $135,845 | $67,914 | $203,759 | $2,791 |
| 2013 | $135,232 | $67,608 | $202,840 | $2,727 |
| 2012 | $132,581 | $66,283 | $198,864 | $2,648 |
| 2010 | $129,982 | $64,984 | $194,966 | $2,512 |
| 2009 | $129,011 | $64,499 | $193,510 | $2,480 |
| 2008 | $126,783 | $63,386 | $190,169 | $2,417 |
| 2007 | $124,298 | $62,144 | $186,442 | $2,334 |
Property facts
Year built
1979
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
1,886 sqft
Lot size
6,837 sqft
ZIP code
91789
City
Walnut
Street
Prosa Ct
Coordinates
33.99409, -117.86520
Comparable properties nearby
Frequently asked questions
When did 20105 Prosa Ct last sell?
No public-record sale is on file for 20105 Prosa Ct.
What is the current tax assessment for 20105 Prosa Ct?
The most recent total assessment for 20105 Prosa Ct (year 2025) is $820,229 with $10,503 in property tax.
When was 20105 Prosa Ct built?
20105 Prosa Ct was built in 1979.
How does 20105 Prosa Ct compare to others on Prosa Ct?
We do not currently track other properties on Prosa Ct.
What are the property facts for 20105 Prosa Ct?
20105 Prosa Ct is a 4 bed, 3 bath, 1,886 sqft, 6,837 sqft lot single_family.
Is 20105 Prosa Ct a flip candidate?
No — 20105 Prosa Ct does not appear in our flips dataset.
Is 20105 Prosa Ct a tax-appeal candidate?
No — 20105 Prosa 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
+5.8%
Implied 1-yr
+23.2%
2026 Q3
$1.76M
2026 Q4
$1.84M
ZIP 91789 — Median Price History + Forecast
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Geography