The property at 3136 Mount Diablo St, Concord, CA 94518, built in 1953, is a 1,397 square foot Single Family and has 3 bedrooms and 2 bathrooms. It is situated on a lot that is 5,005 square feet and was last tax assessed in 2025 for a valuation of $0
The estimate for this property has experienced a 3.24% increase in the past 6 months reaching a value of $754,200.
Property Tax History
Source: Public Records
| Year | Assessment |
|---|---|
| 2024 | $712,980 +61.00% |
| 2023 | $442,857 |
| 2022 | $442,857 +2.00% |
| 2021 | $434,174 +3.06% |
| 2020 | $421,298 |
| 2019 | $421,298 +2.00% |
| 2018 | $413,038 +2.00% |
| 2017 | $404,940 +296.59% |
| 2016 | $102,105 +1.52% |
| 2015 | $100,572 +2.00% |
| 2013 | $98,603 |
Valuation History
Source: Public Records
| Month | Valuation | Single Family Homes Sold | Median Sales Price/Sqft |
|---|---|---|---|
| Dec 2025 | $754,200 | - | - |
| Nov 2025 | $762,421 | - | - |
| Oct 2025 | $740,549 | - | - |
| Sep 2025 | $757,951 | - | - |
| Aug 2025 | $739,382 | - | - |
| Jul 2025 | $725,763 | - | - |
| Jun 2025 | $726,503 | - | - |
| May 2025 | $730,542 | - | - |
| Apr 2025 | $718,502 | - | - |
| Mar 2025 | $598,833 | - | - |
| Feb 2025 | $572,132 | - | - |
| Jan 2025 | $722,976 | - | - |
| Dec 2024 | $672,788 | - | - |
| Nov 2024 | $669,992 | - | - |
| Sep 2024 | $651,258 | - | - |
| Aug 2024 | $673,976 | - | - |
| Jul 2024 | $716,265 | - | - |
| Jun 2024 | $741,919 | - | - |
| May 2024 | $706,409 | - | - |
| Mar 2024 | $658,318 | - | - |
| Feb 2024 | $582,477 | - | - |
| Jan 2024 | $611,276 | - | - |
| Dec 2023 | $616,728 | - | - |
| Nov 2023 | $637,139 | - | - |
| Oct 2023 | $661,953 | - | - |
| Sep 2023 | $813,300 | - | - |
| Aug 2023 | $745,400 | - | - |
| Jul 2023 | $803,700 | - | - |
| Jun 2023 | $801,700 | - | - |
| May 2023 | $796,200 | - | - |
| Apr 2023 | $789,900 | - | - |
| Mar 2023 | $772,500 | - | - |
| Feb 2023 | $814,700 | - | - |
| Jan 2023 | $813,300 | - | - |
| Dec 2022 | $831,100 | - | - |
*Market History, including Median Sales Price per square foot, and Single Family Homes Sold is based on historical data of Zip Code: 94518 - CA
Population & Environment
Source: Sperling's Best Places
| Zip | City | County | National | |
|---|---|---|---|---|
| Population | 28,926 | 130,386 | 1,152,598 | 335,858,263 |
| Population Density | 5,200 | 4,270 | 1,610 | 95 |
| People per Household | 2.6 | 2.7 | 2.8 | 2.6 |
| Median Age | 43.1 | 40.3 | 40.6 | 39.1 |
| Median Income | $99,869 | $92,053 | $104,754 | $66,222 |
| Average Income | $46,599 | $41,036 | $50,851 | $35,475 |
| Cost of Living Index | 124 | 128 | 133 | 100 |
| Zip | City | County | National | |
|---|---|---|---|---|
| January Avg. High Temp | 38.98°F | 38.8°F | 39.14°F | 22.6°F |
| July Avg. High Temp | 86.6°F | 87.4°F | 85.89°F | 86.2°F |
| Annual Precipitation | 21.18" | 19.58" | 22.59" | 38" |
Click Zestimate price to view details on Zillow. Zestimate data is provided "as is" via the Zestimate API. © Zillow, Inc., 2006-2022. Use is subject to Terms of Use.
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