2139 Mount Diablo St
Concord, CA 94520
4 bd 2 ba 1,760 sqft Built 1971 Lot 4,375 sqft multi_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 12, 2024 | Listed | $1,950,000 | ContraCosta |
| Mar 3, 2024 | Listing removed | — | ContraCosta |
| Feb 22, 2024 | Price changed | $1,150,000 | ContraCosta |
| Jan 8, 2024 | Listed | $1,250,000 | ContraCosta |
| Aug 7, 1996 | Listing removed | $650 | ContraCosta |
| Jul 6, 1996 | Listed for rent | $675 | ContraCosta |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $270,000 | $505,000 | $775,000 | $10,463 |
| 2024 | $270,000 | $505,000 | $775,000 | $10,976 |
| 2023 | $204,000 | $612,000 | $816,000 | $10,750 |
| 2022 | $205,607 | $84,749 | $290,356 | $4,882 |
| 2021 | $201,576 | $83,088 | $284,664 | $4,724 |
| 2020 | $199,510 | $82,237 | $281,747 | $4,661 |
| 2019 | $195,599 | $80,625 | $276,224 | $4,603 |
| 2018 | $191,764 | $79,045 | $270,809 | $4,378 |
| 2017 | $188,004 | $77,496 | $265,500 | $4,198 |
| 2016 | $184,318 | $75,977 | $260,295 | $4,035 |
| 2015 | $181,550 | $74,836 | $256,386 | $3,926 |
| 2014 | $177,994 | $73,371 | $251,365 | $3,797 |
| 2013 | $177,190 | $73,040 | $250,230 | $3,655 |
| 2012 | $173,716 | $71,608 | $245,324 | $3,529 |
| 2011 | $170,310 | $70,204 | $240,514 | $3,432 |
| 2010 | $169,038 | $69,680 | $238,718 | $3,372 |
| 2009 | $169,440 | $69,846 | $239,286 | $3,363 |
| 2008 | $166,118 | $68,477 | $234,595 | $3,270 |
| 2007 | $162,861 | $67,135 | $229,996 | $3,216 |
Property facts
Year built
1971
Property type
multi_family
Stories
2
Beds
4
Baths
2
Living area
1,760 sqft
Lot size
4,375 sqft
ZIP code
94520
City
Concord
Street
Mount Diablo St
Coordinates
37.97858, -122.03597
Comparable properties nearby
Frequently asked questions
When did 2139 Mount Diablo St last sell?
No public-record sale is on file for 2139 Mount Diablo St.
What is the current tax assessment for 2139 Mount Diablo St?
The most recent total assessment for 2139 Mount Diablo St (year 2025) is $775,000 with $10,463 in property tax.
When was 2139 Mount Diablo St built?
2139 Mount Diablo St was built in 1971.
How does 2139 Mount Diablo St compare to others on Mount Diablo St?
We track 8 other properties on Mount Diablo St. Browse the list under "Other properties on Mount Diablo St" to compare beds, baths, and sale history.
What are the property facts for 2139 Mount Diablo St?
2139 Mount Diablo St is a 4 bed, 2 bath, 1,760 sqft, 4,375 sqft lot multi_family.
Is 2139 Mount Diablo St a flip candidate?
No — 2139 Mount Diablo St does not appear in our flips dataset.
Is 2139 Mount Diablo St a tax-appeal candidate?
No — 2139 Mount Diablo 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
-3.2%
Implied 1-yr
-12.6%
2026 Q1
$377.4K
2026 Q2
$362.5K
ZIP 94520 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mount Diablo St