3131 Somerset Ave
Castro Valley, CA 94546
3 bd 3 ba 1,415 sqft Built 1985 Lot 7,930 sqft condos
Most recent sale
$679,000
Oct 9, 2020
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 11, 2025 | Price changed for rent | $3,200 | SanFrancisco |
| Sep 4, 2025 | Price changed for rent | $3,400 | SanFrancisco |
| Jul 21, 2025 | Listed for rent | $3,500 | SanFrancisco |
| Feb 28, 2023 | Listing removed | $3,400 | SanFrancisco |
| Feb 3, 2023 | Price changed for rent | $3,400 | SanFrancisco |
| Feb 2, 2023 | Listed for rent | $3,500 | SanFrancisco |
| Jan 24, 2023 | Sold | $710,000 | BayEast |
| Sep 29, 2022 | Listed | $799,950 | MLS #41010119 |
| Oct 9, 2020 | Sold | $679,000 | MLS #40914295 |
| Feb 23, 2020 | Listing removed | $679,000 | ContraCosta |
| Jul 30, 2014 | Sold | $489,000 | MLS #40662138 |
| Jun 24, 2014 | Listed | $489,000 | MLS #40662138 |
| Dec 28, 2001 | Sold | $319,000 | Public Record |
| Apr 23, 1990 | Sold | $40,000 | Public Record |
| Jul 3, 1986 | Sold | $128,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $517,078 | $221,605 | $738,683 | $9,625 |
| 2024 | $517,078 | $221,605 | $738,683 | $9,413 |
| 2023 | $494,502 | $211,929 | $706,431 | $9,138 |
| 2022 | $484,806 | $207,774 | $692,580 | $8,962 |
| 2021 | $475,300 | $203,700 | $679,000 | $8,734 |
| 2020 | $376,160 | $161,211 | $537,371 | $6,959 |
| 2019 | $368,787 | $158,051 | $526,838 | $7,039 |
| 2018 | $361,557 | $154,953 | $516,510 | $6,839 |
| 2017 | $354,468 | $151,915 | $506,383 | $6,658 |
| 2016 | $347,520 | $148,937 | $496,457 | $6,335 |
| 2015 | $342,300 | $146,700 | $489,000 | $5,920 |
| 2014 | $275,963 | $108,457 | $384,420 | $4,781 |
| 2013 | $274,717 | $107,967 | $382,684 | $4,736 |
| 2012 | $269,331 | $105,850 | $375,181 | $4,637 |
| 2010 | $262,079 | $103,000 | $365,079 | $4,540 |
| 2009 | $262,079 | $103,000 | $365,079 | $4,538 |
| 2008 | $257,551 | $101,221 | $358,772 | $4,382 |
| 2007 | $252,502 | $99,236 | $351,738 | $4,271 |
Property facts
Year built
1985
Property type
condos
Stories
2
Beds
3
Baths
3
Living area
1,415 sqft
Lot size
7,930 sqft
ZIP code
94546
City
Castro Valley
Street
Somerset Ave
Coordinates
37.70133, -122.08589
Comparable properties nearby
Frequently asked questions
When did 3131 Somerset Ave last sell?
3131 Somerset Ave most recently sold on Oct 9, 2020 for $679,000.
What is the current tax assessment for 3131 Somerset Ave?
The most recent total assessment for 3131 Somerset Ave (year 2025) is $738,683 with $9,625 in property tax.
How does 3131 Somerset Ave's assessment compare to its last sale price?
The current assessment is 8.8% above the last sale price of $679,000.
When was 3131 Somerset Ave built?
3131 Somerset Ave was built in 1985.
How does 3131 Somerset Ave compare to others on Somerset Ave?
We track 8 other properties on Somerset Ave. Browse the list under "Other properties on Somerset Ave" to compare beds, baths, and sale history.
What are the property facts for 3131 Somerset Ave?
3131 Somerset Ave is a 3 bed, 3 bath, 1,415 sqft, 7,930 sqft lot condos.
Is 3131 Somerset Ave a flip candidate?
No — 3131 Somerset Ave does not appear in our flips dataset.
Is 3131 Somerset Ave a tax-appeal candidate?
No — 3131 Somerset 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
-2.1%
Implied 1-yr
-8.4%
2026 Q3
$875.4K
2026 Q4
$875.4K
ZIP 94546 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Somerset Ave