2111 Carrol Rd is a 4,104 square foot house on a 0.41 acre lot with 5 bedrooms and 5 bathrooms. - it last sold on October 14, 1988 for $225,000. Based on Redfin's Walnut Creek data, we estimate the home's value is $2,391,759.
Single-familyProperty Type
1955Year Built
0.41 acresLot Size
$583Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,391,759
$2.2M since sold in October 1988$21K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.4% higher than the average sale price ($2.25M) of 6 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/commercial/mic/misc.
Work on a retaining wall.
Grading
Jan 30, 2010 • Final
Building/residential/ad/single family addition
Construct an addition including three bedrooms, three bathrooms, and a den. Remodel the existing structure.
Addition
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
Room Information
# of Rooms: 12
Exterior
Property Information
Subdivision Name: WALNUT KNOLLS
Living Sq. Ft: 4,104
Ground Floor Sq. Ft: 4,104
Building Sq. Ft: 4,104
# of Stories: 1
Legal Description: WALNUT KNOLLS 85
Parking & Garage Information
Garage/Parking Sq. Ft: 637
Lot Information
# of Buildings: 1
Land Sq. Ft: 17,920
Legal Lot Number: 85
Acres: 0.4114
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 4,104
Stories: 1.0
Lot Size: 0.41 acres
Style: Single Family Residential
Year Built: 1955
Year Renovated: 1980
County: Contra Costa County
APN: 1833540022
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Murwood Elementary School
Public K-5 • Assigned • 0.2mi
9/10
Walnut Creek Intermediate School
Public 6-8 • Assigned • 1.6mi
9/10
Las Lomas High School
Public 9-12 • Assigned • 0.6mi
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 96° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Walnut Creek, CA • 94596
Average low and high temperatures (°F)
59
40
63
43
71
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77
52
82
55
84
57
87
59
83
60
77
53
63
46
57
44
Jan
Feb
Mar
Apr
May
Jun
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Aug
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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
$2.27M – $2.75M
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