12 Unionstone Dr
San Rafael, CA 94903
5 bd 3 ba 2,391 sqft Built 1965 Lot 7,841 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 | $796,467 | $538,184 | $1,334,651 | $19,260 |
| 2024 | $796,467 | $538,184 | $1,334,651 | $18,716 |
| 2023 | $765,541 | $517,286 | $1,282,827 | $18,652 |
| 2022 | $750,533 | $507,145 | $1,257,678 | $17,904 |
| 2021 | $735,819 | $497,203 | $1,233,022 | $17,094 |
| 2020 | $728,280 | $492,109 | $1,220,389 | $17,083 |
| 2019 | $714,000 | $482,460 | $1,196,460 | $16,499 |
| 2018 | $700,000 | $473,000 | $1,173,000 | $16,337 |
| 2017 | $343,957 | $519,264 | $863,221 | $12,187 |
| 2016 | $337,214 | $509,085 | $846,299 | $11,918 |
| 2015 | $332,152 | $501,443 | $833,595 | $11,613 |
| 2014 | $325,648 | $491,624 | $817,272 | $10,894 |
| 2013 | $299,948 | $452,825 | $752,773 | $10,216 |
| 2012 | $285,665 | $431,262 | $716,927 | $9,777 |
| 2010 | $294,500 | $444,600 | $739,100 | $9,560 |
| 2009 | $294,500 | $444,600 | $739,100 | $7,610 |
| 2008 | $335,138 | $222,127 | $557,265 | $7,217 |
| 2006 | $328,569 | $217,773 | $546,342 | $6,981 |
Property facts
Year built
1965
Property type
single_family
Stories
—
Beds
5
Baths
3
Living area
2,391 sqft
Lot size
7,841 sqft
ZIP code
94903
City
San Rafael
Street
Unionstone Dr
Coordinates
38.03950, -122.54599
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 12 Unionstone Dr last sell?
No public-record sale is on file for 12 Unionstone Dr.
What is the current tax assessment for 12 Unionstone Dr?
The most recent total assessment for 12 Unionstone Dr (year 2025) is $1,334,651 with $19,260 in property tax.
When was 12 Unionstone Dr built?
12 Unionstone Dr was built in 1965.
How does 12 Unionstone Dr compare to others on Unionstone Dr?
We track 5 other properties on Unionstone Dr. Browse the list under "Other properties on Unionstone Dr" to compare beds, baths, and sale history.
What are the property facts for 12 Unionstone Dr?
12 Unionstone Dr is a 5 bed, 3 bath, 2,391 sqft, 7,841 sqft lot single_family.
Is 12 Unionstone Dr a flip candidate?
No — 12 Unionstone Dr does not appear in our flips dataset.
Is 12 Unionstone Dr a tax-appeal candidate?
No — 12 Unionstone Dr is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-2.9%
Implied 1-yr
-11.4%
2026 Q3
$861.3K
2026 Q4
$861.3K
ZIP 94903 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Unionstone Dr