43 Rialto Dr is a 2,324 square foot house on a 0.37 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on August 03, 1976 for $65,500. Based on Redfin's Clayton data, we estimate the home's value is $1,058,302.
Single-familyProperty Type
1976Year Built
0.37 acresLot Size
$455Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,058,302
$993K since sold in August 1976$26K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.7% lower than the average sale price ($1.13M) 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.
Zoning and permits
Zoning
Permits
PD
Planned Development District
The major purposes of the Planned Development District are: To implement the objectives of the General Plan; To conserve outstanding natural and archeological features; To provide more private and public open space; To encourage building variety and innovative approaches in environmental design. The Planned Development District permits, for example, mixed land uses, varied setbacks and building heights and diverse lot sizes; To promote economy and efficiency through shared facilities and services.
Permitted uses
Include but are not limited to:
Housing-Single unit
Mar 15, 2026 • Active
Reroof
Perform a residential reroof with a complete tear off and install new composition shingles.
Roofing
Jan 20, 2023 • Final
Building - residential foundation repair
Install push piers to stabilize the foundation.
Grading
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: 11
Exterior
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,324
Ground Floor Sq. Ft: 1,422
Building Sq. Ft: 2,324
# of Stories: 2
Legal Description: T04643 L0006 B EX MR
Parking & Garage Information
Garage/Parking Sq. Ft: 513
Lot Information
# of Buildings: 1
Land Sq. Ft: 16,200
Legal Lot Number: 6
Acres: 0.3719
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,324
Stories: 2.0
Lot Size: 0.37 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1977
County: Contra Costa County
APN: 1193520010
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Mt. Diablo Elementary School
Public K-5 • Assigned • 1.7mi
9/10
Diablo View Middle School
Public 6-8 • Assigned • 0.7mi
9/10
Northgate High School
Public 9-12 • Assigned • 4.8mi
9/10
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
8/10 Fire Factor
30% chance of being in a wildfire in next 30 years
4/10 Heat Factor
10 days above 93° expected this year, 19 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, 18 days in 30 years
Provided by First Street
Historical weather
Clayton, CA • 94517
Average low and high temperatures (°F)
60
40
64
43
72
47
72
48
80
52
85
55
87
57
92
59
85
60
74
52
64
46
57
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.8 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
11.8 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.01M – $1.22M
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