427 Altern St
Monrovia, CA 91016
4 bd 1 ba 1,500 sqft Built 1949 Lot 7,971 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 | $168,196 | $553,295 | $721,491 | $9,206 |
| 2024 | $168,196 | $553,295 | $721,491 | $8,781 |
| 2023 | $161,666 | $531,811 | $693,477 | $8,574 |
| 2022 | $158,497 | $521,384 | $679,881 | $8,315 |
| 2021 | $127,790 | $511,161 | $638,951 | $7,806 |
| 2020 | $126,480 | $505,920 | $632,400 | $7,517 |
| 2019 | $24,811 | $14,920 | $39,731 | $875 |
| 2018 | $24,325 | $14,628 | $38,953 | $803 |
| 2017 | $23,849 | $14,342 | $38,191 | $790 |
| 2016 | $23,382 | $14,061 | $37,443 | $761 |
| 2015 | $23,031 | $13,850 | $36,881 | $746 |
| 2014 | $22,580 | $13,579 | $36,159 | $798 |
| 2013 | $22,478 | $13,518 | $35,996 | $736 |
| 2012 | $22,038 | $13,253 | $35,291 | $723 |
| 2010 | $21,606 | $12,994 | $34,600 | $688 |
| 2009 | $21,445 | $12,897 | $34,342 | $672 |
| 2008 | $21,075 | $12,675 | $33,750 | $646 |
| 2007 | $20,662 | $12,427 | $33,089 | $620 |
Property facts
Year built
1949
Property type
single_family
Stories
—
Beds
4
Baths
1
Living area
1,500 sqft
Lot size
7,971 sqft
ZIP code
91016
City
Monrovia
Street
Altern St
Coordinates
34.12467, -117.99726
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 427 Altern St last sell?
No public-record sale is on file for 427 Altern St.
What is the current tax assessment for 427 Altern St?
The most recent total assessment for 427 Altern St (year 2025) is $721,491 with $9,206 in property tax.
When was 427 Altern St built?
427 Altern St was built in 1949.
How does 427 Altern St compare to others on Altern St?
We track 7 other properties on Altern St. Browse the list under "Other properties on Altern St" to compare beds, baths, and sale history.
What are the property facts for 427 Altern St?
427 Altern St is a 4 bed, 1 bath, 1,500 sqft, 7,971 sqft lot single_family.
Is 427 Altern St a flip candidate?
No — 427 Altern St does not appear in our flips dataset.
Is 427 Altern St a tax-appeal candidate?
No — 427 Altern 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
+14.0%
Implied 1-yr
+55.8%
2026 Q3
$3.12M
2026 Q4
$3.35M
ZIP 91016 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Altern St