521 Rio Del Mar
American Canyon, CA 94503
6 bd 3 ba 3,336 sqft Built 2003 Lot 7,602 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 | $541,216 | $360,810 | $902,026 | $10,196 |
| 2024 | $541,216 | $360,810 | $902,026 | $9,831 |
| 2023 | $520,200 | $346,800 | $867,000 | $7,879 |
| 2022 | $510,000 | $340,000 | $850,000 | $7,846 |
| 2021 | $448,500 | $290,000 | $738,500 | $6,671 |
| 2020 | $582,500 | $130,000 | $712,500 | $6,443 |
| 2019 | $582,500 | $130,000 | $712,500 | $6,490 |
| 2018 | $520,840 | $199,927 | $720,767 | $6,698 |
| 2017 | $500,000 | $125,000 | $625,000 | $5,685 |
| 2016 | $451,952 | $161,411 | $613,363 | $5,642 |
| 2015 | $420,420 | $150,150 | $570,570 | $4,942 |
| 2014 | $323,400 | $115,500 | $438,900 | $3,543 |
| 2013 | $294,000 | $105,000 | $399,000 | $3,146 |
| 2012 | $280,000 | $100,000 | $380,000 | $2,947 |
| 2010 | $318,478 | $113,522 | $432,000 | $3,519 |
| 2009 | $318,478 | $113,522 | $432,000 | $3,589 |
| 2008 | $442,331 | $157,669 | $600,000 | $5,384 |
| 2007 | $442,331 | $169,793 | $612,124 | $5,588 |
Property facts
Year built
2003
Property type
single_family
Stories
2
Beds
6
Baths
3
Living area
3,336 sqft
Lot size
7,602 sqft
ZIP code
94503
City
American Canyon
Street
Rio Del Mar
Coordinates
38.17407, -122.26915
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 521 Rio Del Mar last sell?
No public-record sale is on file for 521 Rio Del Mar.
What is the current tax assessment for 521 Rio Del Mar?
The most recent total assessment for 521 Rio Del Mar (year 2025) is $902,026 with $10,196 in property tax.
When was 521 Rio Del Mar built?
521 Rio Del Mar was built in 2003.
How does 521 Rio Del Mar compare to others on Rio Del Mar?
We track 8 other properties on Rio Del Mar. Browse the list under "Other properties on Rio Del Mar" to compare beds, baths, and sale history.
What are the property facts for 521 Rio Del Mar?
521 Rio Del Mar is a 6 bed, 3 bath, 3,336 sqft, 7,602 sqft lot single_family.
Is 521 Rio Del Mar a flip candidate?
No — 521 Rio Del Mar does not appear in our flips dataset.
Is 521 Rio Del Mar a tax-appeal candidate?
No — 521 Rio Del Mar is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-13.2%
Implied 1-yr
-52.6%
2026 Q1
$200.4K
2026 Q2
$108.8K
ZIP 94503 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Rio Del Mar