21 MT Alpine Pl
Clayton, CA 94517
4 bd 3 ba 2,128 sqft Built 1971 Lot 9,350 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 | $515,917 | $501,981 | $1,017,898 | $12,506 |
| 2024 | $515,917 | $501,981 | $1,017,898 | $12,031 |
| 2023 | $402,074 | $482,490 | $884,564 | $10,951 |
| 2022 | $394,191 | $473,030 | $867,221 | $10,813 |
| 2021 | $386,462 | $463,755 | $850,217 | $10,556 |
| 2020 | $382,500 | $459,000 | $841,500 | $10,484 |
| 2019 | $105,502 | $360,312 | $465,814 | $6,292 |
| 2018 | $103,434 | $353,248 | $456,682 | $6,053 |
| 2017 | $101,406 | $346,322 | $447,728 | $5,851 |
| 2016 | $99,418 | $339,532 | $438,950 | $5,684 |
| 2015 | $97,925 | $334,432 | $432,357 | $5,610 |
| 2014 | $96,007 | $327,881 | $423,888 | $5,506 |
| 2013 | $95,574 | $326,400 | $421,974 | $5,354 |
| 2012 | $110,000 | $310,000 | $420,000 | $5,376 |
| 2011 | $202,123 | $114,409 | $316,532 | $4,161 |
| 2010 | $200,613 | $113,554 | $314,167 | $4,104 |
| 2009 | $201,090 | $113,824 | $314,914 | $4,088 |
| 2008 | $197,148 | $111,593 | $308,741 | $3,985 |
| 2007 | $193,283 | $109,405 | $302,688 | $3,906 |
Property facts
Year built
1971
Property type
single_family
Stories
1
Beds
4
Baths
3
Living area
2,128 sqft
Lot size
9,350 sqft
ZIP code
94517
City
Clayton
Street
MT Alpine Pl
Coordinates
37.92915, -121.93279
Comparable properties nearby
Frequently asked questions
When did 21 MT Alpine Pl last sell?
No public-record sale is on file for 21 MT Alpine Pl.
What is the current tax assessment for 21 MT Alpine Pl?
The most recent total assessment for 21 MT Alpine Pl (year 2025) is $1,017,898 with $12,506 in property tax.
When was 21 MT Alpine Pl built?
21 MT Alpine Pl was built in 1971.
How does 21 MT Alpine Pl compare to others on MT Alpine Pl?
We track 1 other property on MT Alpine Pl. Browse the list under "Other properties on MT Alpine Pl" to compare beds, baths, and sale history.
What are the property facts for 21 MT Alpine Pl?
21 MT Alpine Pl is a 4 bed, 3 bath, 2,128 sqft, 9,350 sqft lot single_family.
Is 21 MT Alpine Pl a flip candidate?
No — 21 MT Alpine Pl does not appear in our flips dataset.
Is 21 MT Alpine Pl a tax-appeal candidate?
No — 21 MT Alpine Pl is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.5%
Implied 1-yr
-2.1%
2026 Q3
$877.8K
2026 Q4
$873K
ZIP 94517 — Median Price History + Forecast
Explore nearby
Geography
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