221 Mountain Ave
Ontario, CA 91762
— ba 38,925 sqft Built 2024 Lot 55,321 sqft multi_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 | $8,160,000 | $866,653 | $9,026,653 | $98,940 |
| 2024 | $8,160,000 | $866,653 | $9,026,653 | $9,288 |
| 2023 | — | $833,000 | $833,000 | $9,010 |
| 2013 | — | $550,323 | $550,323 | $5,990 |
| 2012 | — | $539,532 | $539,532 | $5,691 |
| 2011 | — | $528,953 | $528,953 | $5,661 |
| 2010 | $1,917,065 | $573,977 | $2,491,042 | $26,593 |
| 2009 | $1,921,619 | $575,341 | $2,496,960 | $29,190 |
| 2008 | $1,883,940 | $564,060 | $2,448,000 | $26,124 |
| 2007 | $1,847,000 | $553,000 | $2,400,000 | $43,853 |
Property facts
Year built
2024
Property type
multi_family
Stories
3
Beds
—
Baths
—
Living area
38,925 sqft
Lot size
55,321 sqft
ZIP code
91762
City
Ontario
Street
Mountain Ave
Coordinates
34.06568, -117.67046
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 221 Mountain Ave last sell?
No public-record sale is on file for 221 Mountain Ave.
What is the current tax assessment for 221 Mountain Ave?
The most recent total assessment for 221 Mountain Ave (year 2025) is $9,026,653 with $98,940 in property tax.
When was 221 Mountain Ave built?
221 Mountain Ave was built in 2024.
How does 221 Mountain Ave compare to others on Mountain Ave?
We track 8 other properties on Mountain Ave. Browse the list under "Other properties on Mountain Ave" to compare beds, baths, and sale history.
What are the property facts for 221 Mountain Ave?
221 Mountain Ave is a — bath, 38,925 sqft, 55,321 sqft lot multi_family.
Is 221 Mountain Ave a flip candidate?
No — 221 Mountain Ave does not appear in our flips dataset.
Is 221 Mountain Ave a tax-appeal candidate?
No — 221 Mountain 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
-2.2%
Implied 1-yr
-8.6%
2026 Q3
$595.1K
2026 Q4
$580.2K
ZIP 91762 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mountain Ave