3099 Massachusetts St
Castro Valley, CA 94546
4 bd 3 ba 4,033 sqft Built 1991 Lot 13,504 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 | $1,147,821 | $488,120 | $1,635,941 | $20,091 |
| 2024 | $1,147,821 | $488,120 | $1,635,941 | $19,745 |
| 2023 | $1,094,723 | $469,167 | $1,563,890 | $19,360 |
| 2022 | $1,073,262 | $459,969 | $1,533,231 | $19,016 |
| 2021 | $1,052,221 | $450,951 | $1,503,172 | $18,541 |
| 2020 | $1,041,440 | $446,331 | $1,487,771 | $18,123 |
| 2019 | $1,021,020 | $437,580 | $1,458,600 | $18,476 |
| 2018 | $528,394 | $141,742 | $670,136 | $8,697 |
| 2017 | $518,034 | $138,963 | $656,997 | $8,468 |
| 2016 | $507,878 | $136,239 | $644,117 | $8,057 |
| 2015 | $500,252 | $134,193 | $634,445 | $7,530 |
| 2014 | $490,453 | $131,565 | $622,018 | $7,444 |
| 2013 | $488,240 | $130,971 | $619,211 | $7,391 |
| 2012 | $478,669 | $128,403 | $607,072 | $7,245 |
| 2010 | $469,285 | $125,886 | $595,171 | $7,098 |
| 2009 | $465,779 | $124,946 | $590,725 | $7,132 |
| 2008 | $457,735 | $122,788 | $580,523 | $6,916 |
| 2007 | $448,762 | $120,380 | $569,142 | $6,745 |
Property facts
Year built
1991
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
4,033 sqft
Lot size
13,504 sqft
ZIP code
94546
City
Castro Valley
Street
Massachusetts St
Coordinates
37.70542, -122.09135
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 3099 Massachusetts St last sell?
No public-record sale is on file for 3099 Massachusetts St.
What is the current tax assessment for 3099 Massachusetts St?
The most recent total assessment for 3099 Massachusetts St (year 2025) is $1,635,941 with $20,091 in property tax.
When was 3099 Massachusetts St built?
3099 Massachusetts St was built in 1991.
How does 3099 Massachusetts St compare to others on Massachusetts St?
We track 7 other properties on Massachusetts St. Browse the list under "Other properties on Massachusetts St" to compare beds, baths, and sale history.
What are the property facts for 3099 Massachusetts St?
3099 Massachusetts St is a 4 bed, 3 bath, 4,033 sqft, 13,504 sqft lot single_family.
Is 3099 Massachusetts St a flip candidate?
No — 3099 Massachusetts St does not appear in our flips dataset.
Is 3099 Massachusetts St a tax-appeal candidate?
No — 3099 Massachusetts St 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
-11.6%
2026 Q2
$797.3K
2026 Q3
$768.7K
ZIP 94546 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Massachusetts St