140 Adams Ranch Rd is a 3,030 square foot house on a 1.02 acre lot with 7 bedrooms and 4 bathrooms. Based on Redfin's Walnut Creek data, we estimate the home's value is $2,115,672.
Single-familyProperty Type
1987Year Built
1.02 acresLot Size
$698Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,115,672
$4,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.7% higher than the average sale price ($2.04M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$11,720 (+1.4%)
$330,562 + $683,877
$1,014,439
2024
$11,553 (+2.5%)
$324,081 + $670,468
$994,549
2023
$11,271 (+2.3%)
$317,727 + $657,322
$975,049
2022
$11,018 (+2.9%)
$311,498 + $644,434
$955,932
2021
$10,712 (+1.0%)
$305,391 + $631,799
$937,190
2020
$10,604 (+1.1%)
$299,403 + $619,411
$918,814
2019
$10,485 (+3.6%)
$296,333 + $613,060
$909,393
2018
$10,120 (+1.9%)
$290,523 + $601,040
$891,563
2017
$9,928 (+2.0%)
$279,243 + $577,701
$856,944
2016
$9,736 (−1.5%)
$279,243 + $577,701
$856,944
2015
$9,884 (+1.9%)
$273,768 + $566,374
$840,142
2014
$9,695 (+1.4%)
$264,374 + $546,940
$811,314
2013
$9,563 (+3.2%)
$264,374 + $546,940
$811,314
2012
$9,266 (+1.5%)
$263,180 + $544,469
$807,649
2011
$9,126 (+1.4%)
$258,020 + $533,794
$791,814
2010
$9,003 (+1.3%)
$252,961 + $523,328
$776,289
2009
$8,884 (+1.4%)
$251,071 + $519,417
$770,488
2008
$8,763
$251,668 + $520,651
$772,319
Tax history for 140 Adams Ranch Rd
Year
Property tax
Land + Additions
Assessment*
2025
$11,720 (+1.4%)
$330,562 + $683,877
$1,014,439
2024
$11,553 (+2.5%)
$324,081 + $670,468
$994,549
2023
$11,271 (+2.3%)
$317,727 + $657,322
$975,049
2022
$11,018 (+2.9%)
$311,498 + $644,434
$955,932
2021
$10,712 (+1.0%)
$305,391 + $631,799
$937,190
2020
$10,604 (+1.1%)
$299,403 + $619,411
$918,814
2019
$10,485 (+3.6%)
$296,333 + $613,060
$909,393
2018
$10,120 (+1.9%)
$290,523 + $601,040
$891,563
2017
$9,928 (+2.0%)
$279,243 + $577,701
$856,944
2016
$9,736 (−1.5%)
$279,243 + $577,701
$856,944
2015
$9,884 (+1.9%)
$273,768 + $566,374
$840,142
2014
$9,695 (+1.4%)
$264,374 + $546,940
$811,314
2013
$9,563 (+3.2%)
$264,374 + $546,940
$811,314
2012
$9,266 (+1.5%)
$263,180 + $544,469
$807,649
2011
$9,126 (+1.4%)
$258,020 + $533,794
$791,814
2010
$9,003 (+1.3%)
$252,961 + $523,328
$776,289
2009
$8,884 (+1.4%)
$251,071 + $519,417
$770,488
2008
$8,763
$251,668 + $520,651
$772,319
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 30, 2010 • Final
Building/grading/gn/grading unsupervised
Perform grading work for a residential building and garage.
Grading
Jan 30, 2010 • Final
Building/residential/r/new single family-duplex
Work on a residential building, garage, and decks.
New construction
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Room Information
# of Rooms: 14
Exterior
Property Information
Living Sq. Ft: 3,030
Ground Floor Sq. Ft: 1,729
Building Sq. Ft: 3,030
# of Stories: 2
Legal Description: REC OF SURVEY 78LSM7 POR PCL B & TR ADJ
Parking & Garage Information
Garage/Parking Sq. Ft: 651
Lot Information
# of Buildings: 1
Land Sq. Ft: 44,301
Acres: 1.017
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 7
Baths: 4.0
Sq. Ft.: 3,030
Stories: 2.0
Lot Size: 1.02 acres
Style: Single Family Residential
Year Built: 1987
Year Renovated: 1987
County: Contra Costa County
APN: 1880700214
Home facts updated by county records on Oct 10, 2026
Around this home
Schools
Parkmead Elementary School
Public K-5 • Assigned • 0.7mi
8/10
Walnut Creek Intermediate School
Public 6-8 • Assigned • 2.2mi
9/10
Las Lomas High School
Public 9-12 • Assigned • 0.9mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
0.93% chance of being in a wildfire in next 30 years
4/10 Heat Factor
8 days above 95° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Walnut Creek, CA • 94595
Average low and high temperatures (°F)
59
39
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43
70
47
69
48
76
52
80
54
81
57
86
58
82
60
77
53
63
46
56
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.5 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.01M – $2.43M
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