90 Old County Rd is a 2,212 square foot house on a 7,700 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on September 28, 1993 for $140,000. Based on Redfin's Crockett data, we estimate the home's value is $595,158.
Single-familyProperty Type
1890Year Built
7,700 sq ftLot Size
$269Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$595,158
$455K since sold in September 1993$15K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9% lower than the average sale price ($654K) of 5 comparable homes.
*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/residential/rp/repair
Remodel
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
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Conventional
Building Construction Quality: Average
Exterior Wall: Wood Siding
Property Information
Living Sq. Ft: 2,212
Ground Floor Sq. Ft: 1,200
Building Sq. Ft: 2,212
# of Stories: 1
Legal Description: PCL MAP 117 PG 34 PCL A
Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 600
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,700
Acres: 0.1768
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,212
Stories: 1.0
Lot Size: 7,700 square feet
Style: Single Family Residential
Year Built: 1890
Year Renovated: 1960
County: Contra Costa County
APN: 3550300242
Home facts updated by county records on Jul 13, 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
8/10 Air Factor
13 unhealthy days expected this year, 13 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
$566,000 – $685,000
Reach more buyers when you sell with Redfin. Save up to $5,952 in fees.3 minutes to get started.