3977 Somerset Ave
Castro Valley, CA 94546
2 bd 1 ba 1,297 sqft Built 1942 Lot 7,189 sqft single_family
Most recent sale
$849,000
Sep 30, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Sep 30, 2022 | Sold | $849,000 | MLS #41007299 |
| Sep 2, 2022 | Listed | $899,950 | MLS #41007299 |
| Nov 5, 1987 | Sold | $127,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $757,309 | $264,989 | $1,022,298 | $13,516 |
| 2024 | $757,309 | $264,989 | $1,022,298 | $11,044 |
| 2023 | $546,700 | $234,300 | $781,000 | $10,066 |
| 2022 | $121,745 | $108,218 | $229,963 | $3,413 |
| 2021 | $119,358 | $106,096 | $225,454 | $3,320 |
| 2020 | $118,135 | $105,009 | $223,144 | $3,241 |
| 2019 | $115,819 | $102,950 | $218,769 | $3,290 |
| 2018 | $113,548 | $100,932 | $214,480 | $3,194 |
| 2017 | $111,322 | $98,953 | $210,275 | $3,107 |
| 2016 | $109,140 | $97,013 | $206,153 | $2,955 |
| 2015 | $107,501 | $95,556 | $203,057 | $2,762 |
| 2014 | $105,395 | $93,685 | $199,080 | $2,708 |
| 2013 | $104,919 | $93,262 | $198,181 | $2,669 |
| 2012 | $102,863 | $91,434 | $194,297 | $2,607 |
| 2010 | $100,093 | $88,971 | $189,064 | $2,548 |
| 2009 | $100,093 | $88,971 | $189,064 | $2,549 |
| 2008 | $98,364 | $87,435 | $185,799 | $2,440 |
| 2007 | $96,435 | $85,720 | $182,155 | $2,375 |
Property facts
Year built
1942
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
1,297 sqft
Lot size
7,189 sqft
ZIP code
94546
City
Castro Valley
Street
Somerset Ave
Coordinates
37.70167, -122.07495
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$4,150
Gross rental yield
5.87%
Implied cap rate
3.81%
Trend-extrapolated value
—
Frequently asked questions
When did 3977 Somerset Ave last sell?
3977 Somerset Ave most recently sold on Sep 30, 2022 for $849,000.
What is the current tax assessment for 3977 Somerset Ave?
The most recent total assessment for 3977 Somerset Ave (year 2025) is $1,022,298 with $13,516 in property tax.
How does 3977 Somerset Ave's assessment compare to its last sale price?
The current assessment is 20.4% above the last sale price of $849,000.
When was 3977 Somerset Ave built?
3977 Somerset Ave was built in 1942.
How does 3977 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 3977 Somerset Ave?
3977 Somerset Ave is a 2 bed, 1 bath, 1,297 sqft, 7,189 sqft lot single_family.
Is 3977 Somerset Ave a flip candidate?
No — 3977 Somerset Ave does not appear in our flips dataset.
Is 3977 Somerset Ave a tax-appeal candidate?
Yes — 3977 Somerset Ave appears in our tax-appeal candidates list, meaning its current assessment exceeds its recent sale price by 15% or more.
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