840 Madigan Ave
Concord, CA 94518
3 bd 2 ba 1,266 sqft Built 1963 Lot 6,300 sqft single_family
Most recent sale
$633,000
Apr 28, 2017
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 9, 2024 | Listed | $879,000 | ContraCosta |
| May 21, 2023 | Listing removed | — | ContraCosta |
| Apr 28, 2023 | Listed | $885,000 | ContraCosta |
| Apr 28, 2017 | Sold | $633,000 | ContraCosta |
| Mar 16, 2017 | Listed | $629,000 | ContraCosta |
| Jul 17, 2003 | Sold | $361,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $331,500 | $591,600 | $923,100 | $11,203 |
| 2024 | $331,500 | $591,600 | $923,100 | $8,896 |
| 2023 | $157,398 | $548,721 | $706,119 | $8,734 |
| 2022 | $154,312 | $537,962 | $692,274 | $8,622 |
| 2021 | $151,287 | $527,414 | $678,701 | $8,417 |
| 2020 | $149,736 | $522,007 | $671,743 | $8,360 |
| 2019 | $146,800 | $511,772 | $658,572 | $8,260 |
| 2018 | $143,922 | $501,738 | $645,660 | $7,950 |
| 2017 | $154,965 | $287,885 | $442,850 | $5,514 |
| 2016 | $151,927 | $282,241 | $434,168 | $5,357 |
| 2015 | $149,645 | $278,002 | $427,647 | $5,290 |
| 2014 | $127,898 | $237,602 | $365,500 | $4,587 |
| 2013 | $100,079 | $185,921 | $286,000 | $3,595 |
| 2012 | $106,203 | $197,297 | $303,500 | $3,758 |
| 2011 | $119,850 | $222,650 | $342,500 | $4,129 |
| 2010 | $139,332 | $258,842 | $398,174 | $4,710 |
| 2009 | $110,228 | $204,772 | $315,000 | $3,785 |
| 2008 | $136,926 | $254,370 | $391,296 | $4,568 |
| 2007 | $134,242 | $249,383 | $383,625 | $4,477 |
Property facts
Year built
1963
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,266 sqft
Lot size
6,300 sqft
ZIP code
94518
City
Concord
Street
Madigan Ave
Coordinates
37.94553, -122.01906
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 840 Madigan Ave last sell?
840 Madigan Ave most recently sold on Apr 28, 2017 for $633,000.
What is the current tax assessment for 840 Madigan Ave?
The most recent total assessment for 840 Madigan Ave (year 2025) is $923,100 with $11,203 in property tax.
How does 840 Madigan Ave's assessment compare to its last sale price?
The current assessment is 45.8% above the last sale price of $633,000.
When was 840 Madigan Ave built?
840 Madigan Ave was built in 1963.
How does 840 Madigan Ave compare to others on Madigan Ave?
We track 8 other properties on Madigan Ave. Browse the list under "Other properties on Madigan Ave" to compare beds, baths, and sale history.
What are the property facts for 840 Madigan Ave?
840 Madigan Ave is a 3 bed, 2 bath, 1,266 sqft, 6,300 sqft lot single_family.
Is 840 Madigan Ave a flip candidate?
No — 840 Madigan Ave does not appear in our flips dataset.
Is 840 Madigan Ave a tax-appeal candidate?
No — 840 Madigan Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.3%
Implied 1-yr
+13.1%
2026 Q3
$835.2K
2026 Q4
$857.8K
ZIP 94518 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Madigan Ave