638 Mariposa St
Altadena, CA 91001
4 bd 3 ba 2,200 sqft Built 2020 Lot 12,632 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 | $411,324 | $779,350 | $1,190,674 | $14,149 |
| 2024 | $411,324 | $779,350 | $1,190,674 | $13,521 |
| 2023 | $395,352 | $749,088 | $1,144,440 | $13,406 |
| 2022 | $387,600 | $734,400 | $1,122,000 | $12,939 |
| 2021 | — | $1,100,000 | $1,100,000 | $12,247 |
| 2020 | $55,713 | $185,711 | $241,424 | $2,832 |
Property facts
Year built
2020
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,200 sqft
Lot size
12,632 sqft
ZIP code
91001
City
Altadena
Street
Mariposa St
Coordinates
34.19598, -118.16110
Comparable properties nearby
Frequently asked questions
When did 638 Mariposa St last sell?
No public-record sale is on file for 638 Mariposa St.
What is the current tax assessment for 638 Mariposa St?
The most recent total assessment for 638 Mariposa St (year 2025) is $1,190,674 with $14,149 in property tax.
When was 638 Mariposa St built?
638 Mariposa St was built in 2020.
How does 638 Mariposa St compare to others on Mariposa St?
We track 8 other properties on Mariposa St. Browse the list under "Other properties on Mariposa St" to compare beds, baths, and sale history.
What are the property facts for 638 Mariposa St?
638 Mariposa St is a 4 bed, 3 bath, 2,200 sqft, 12,632 sqft lot single_family.
Is 638 Mariposa St a flip candidate?
No — 638 Mariposa St does not appear in our flips dataset.
Is 638 Mariposa St a tax-appeal candidate?
No — 638 Mariposa 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
-2.1%
Implied 1-yr
-8.5%
2026 Q3
$1.45M
2026 Q4
$1.45M
ZIP 91001 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mariposa St