The property at 21 Alta Ave, Piedmont, CA 94611, built in 1956, is a 3,035 square foot Single Family and has 4 bedrooms and 4 bathrooms. It is situated on a lot that is 6,156 square feet and was last tax assessed in 2025 for a valuation of $0
The estimate for this property has experienced a 29.82% increase in the past 6 months reaching a value of $4,140,662.
- Parcel Number50-4608-11
- CountyALAMEDA
- Stories3
Property Tax History
Source: Public Records
| Year | Assessment |
|---|---|
| 2024 | $3,979,500 +2.00% |
| 2023 | $3,901,500 |
| 2022 | $3,901,500 +2.00% |
| 2021 | $3,825,000 +168.42% |
| 2020 | $1,425,000 |
| 2019 | $1,425,000 +921.01% |
| 2018 | $139,567 +2.00% |
| 2017 | $136,830 +4.04% |
| 2016 | $131,518 +1.53% |
| 2015 | $129,542 +2.00% |
| 2013 | $127,005 |
Valuation History
Source: Public Records
*Market History, including Median Sales Price per square foot, and Single Family Homes Sold is based on historical data of Zip Code: 94611 - CA
Population & Environment
Source: Sperling's Best Places
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