156 Old County Rd is a 960 square foot house on a 0.28 acre lot with 2 bedrooms and 2 bathrooms. Based on Redfin's Crockett data, we estimate the home's value is $517,626.
Single-familyProperty Type
1986Year Built
0.28 acresLot Size
$539Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$517,626
$6,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 28.7% lower than the average sale price ($726K) 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
$5,646 (+2.8%)
$203,021 + $177,364
$380,385
2024
$5,490 (+1.0%)
$199,041 + $173,887
$372,928
2023
$5,437 (+2.4%)
$195,139 + $170,478
$365,617
2022
$5,311 (+1.9%)
$191,313 + $167,136
$358,449
2021
$5,210 (+74.2%)
$187,562 + $163,859
$351,421
2020
$2,991 (+30.3%)
$183,885 + $160,647
$344,532
2019
$2,294 (+2.1%)
$34,761 + $123,679
$158,440
2018
$2,247 (+2.0%)
$6,031 + $92,642
$98,673
2017
$2,202 (+4.4%)
$5,798 + $89,046
$94,844
2016
$2,109 (+0.5%)
$5,798 + $89,046
$94,844
2015
$2,099 (+2.3%)
$5,685 + $87,300
$92,985
2014
$2,051 (+5.7%)
$5,491 + $84,305
$89,796
2013
$1,941 (+7.7%)
$5,491 + $84,305
$89,796
2012
$1,803 (+4.8%)
$5,467 + $83,924
$89,391
2011
$1,720 (+2.0%)
$5,360 + $82,279
$87,639
2010
$1,686 (−2.0%)
$5,255 + $80,666
$85,921
2009
$1,721 (+4.9%)
$5,216 + $80,064
$85,280
2008
$1,640
$5,229 + $80,255
$85,484
Tax history for 156 Old County Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,646 (+2.8%)
$203,021 + $177,364
$380,385
2024
$5,490 (+1.0%)
$199,041 + $173,887
$372,928
2023
$5,437 (+2.4%)
$195,139 + $170,478
$365,617
2022
$5,311 (+1.9%)
$191,313 + $167,136
$358,449
2021
$5,210 (+74.2%)
$187,562 + $163,859
$351,421
2020
$2,991 (+30.3%)
$183,885 + $160,647
$344,532
2019
$2,294 (+2.1%)
$34,761 + $123,679
$158,440
2018
$2,247 (+2.0%)
$6,031 + $92,642
$98,673
2017
$2,202 (+4.4%)
$5,798 + $89,046
$94,844
2016
$2,109 (+0.5%)
$5,798 + $89,046
$94,844
2015
$2,099 (+2.3%)
$5,685 + $87,300
$92,985
2014
$2,051 (+5.7%)
$5,491 + $84,305
$89,796
2013
$1,941 (+7.7%)
$5,491 + $84,305
$89,796
2012
$1,803 (+4.8%)
$5,467 + $83,924
$89,391
2011
$1,720 (+2.0%)
$5,360 + $82,279
$87,639
2010
$1,686 (−2.0%)
$5,255 + $80,666
$85,921
2009
$1,721 (+4.9%)
$5,216 + $80,064
$85,280
2008
$1,640
$5,229 + $80,255
$85,484
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Nov 13, 2017 • Final
Building - residential re-roof
Remove and replace composition shingles on a residential building.
Roofing
Jan 30, 2010 • Final
Building/residential/r/new single family-duplex
Work on a residential building and garage.
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: 5
Exterior
Property Information
Living Sq. Ft: 960
Ground Floor Sq. Ft: 960
Building Sq. Ft: 960
# of Stories: 1
Legal Description: PCL MAP 110 PG 33 PCL B
Parking & Garage Information
Garage/Parking Sq. Ft: 384
Lot Information
# of Buildings: 1
Land Sq. Ft: 12,100
Acres: 0.2778
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 960
Stories: 1.0
Parking Spaces: —
Basement: No
Accessible: No
Lot Size: 0.28 acres
Style: Single Family Residential
Year Built: 1986
Year Renovated: 1987
County: Contra Costa County
APN: 3550300218
HOA Dues: —
Garage: No
Features: —
Home facts updated by owner on May 14, 2026
Around this home
Schools
Rodeo Hills Elementary School
Public K-5 • Assigned • 1.8mi
5/10
Carquinez Middle School
Public 6-8 • Assigned • 1.3mi
4/10
John Swett High School
Public 9-12 • Assigned • 1.4mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 80%+ chance 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
7 days above 93° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
16 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Crockett, CA • 94525
Average low and high temperatures (°F)
57
43
60
45
67
49
65
48
71
51
73
54
71
53
79
56
77
56
73
54
61
47
54
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.4 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.4 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$492,000 – $596,000
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