3321 Portsmouth Ln
Ontario, CA 91761
5 bd 3 ba 2,537 sqft Built 2018 Lot 6,505 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 | $398,049 | $214,180 | $612,229 | $10,715 |
| 2024 | $398,049 | $214,180 | $612,229 | $10,516 |
| 2023 | $382,592 | $205,863 | $588,455 | $10,214 |
| 2022 | $375,090 | $201,826 | $576,916 | $10,126 |
| 2021 | $367,735 | $197,869 | $565,604 | $10,461 |
| 2020 | $363,964 | $195,840 | $559,804 | $10,232 |
| 2019 | $356,827 | $192,000 | $548,827 | $10,188 |
| 2018 | — | $134,224 | $134,224 | $5,633 |
| 2017 | — | $131,592 | $131,592 | $1,445 |
Property facts
Year built
2018
Property type
single_family
Stories
2
Beds
5
Baths
3
Living area
2,537 sqft
Lot size
6,505 sqft
ZIP code
91761
City
Ontario
Street
Portsmouth Ln
Coordinates
34.01271, -117.59777
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 3321 Portsmouth Ln last sell?
No public-record sale is on file for 3321 Portsmouth Ln.
What is the current tax assessment for 3321 Portsmouth Ln?
The most recent total assessment for 3321 Portsmouth Ln (year 2025) is $612,229 with $10,715 in property tax.
When was 3321 Portsmouth Ln built?
3321 Portsmouth Ln was built in 2018.
How does 3321 Portsmouth Ln compare to others on Portsmouth Ln?
We track 3 other properties on Portsmouth Ln. Browse the list under "Other properties on Portsmouth Ln" to compare beds, baths, and sale history.
What are the property facts for 3321 Portsmouth Ln?
3321 Portsmouth Ln is a 5 bed, 3 bath, 2,537 sqft, 6,505 sqft lot single_family.
Is 3321 Portsmouth Ln a flip candidate?
No — 3321 Portsmouth Ln does not appear in our flips dataset.
Is 3321 Portsmouth Ln a tax-appeal candidate?
No — 3321 Portsmouth Ln is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-2.8%
Implied 1-yr
-11.1%
2026 Q3
$427.3K
2026 Q4
$412.8K
ZIP 91761 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Portsmouth Ln