2021 Riley Ct #1 is a 4,806 square foot multi-family home on a 0.37 acre lot. - it last sold on June 01, 2000 for $740,000. Based on Redfin's Concord data, we estimate the home's value is $1,663,395.
Multi-familyProperty Type
1960Year Built
0.37 acresLot Size
$346Est. Price/Sq.Ft.
9 spacesParking
Source:Public Records
Redfin Estimate
$1,663,395
$923K since sold in June 2000
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 128.6% higher than the average sale price ($728K) 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.
Zoning and permits
Zoning
Permits
RM
Residential Medium Density District
The RM district is applied to areas of the city appropriate for residential uses with attached and detached dwellings, including a variety of housing types such as small lot single-family dwellings, townhomes, row houses, and cluster housing, at densities of 11 to 33 units per net acre, with provisions for appropriately scaled and located live/work units. The RM district is consistent with and implements the medium density residential (MDR) land use designation of the general plan.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Multiple units
Housing-Senior
Recreation
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard
Park & open space
Dec 2, 2014 • Final
Building
Remove a door and rebuild the wall.
Remodel
Feb 22, 2013 • Final
Bldhp historical
Perform a commercial re-roofing project.
Roofing
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
Air Conditioning Type: Wall Unit
Heating Type: Wall Furnace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Raised W/Crawlspace
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Stucco
Roof Framing Type: Wood
Property Information
Subdivision Name: MONTE DEL DIABLO RHO
Living Sq. Ft: 4,806
Ground Floor Sq. Ft: 4,806
Building Sq. Ft: 4,806
# of Stories: 1
Legal Description: POR RO MONTE DEL DIABLO
Parking & Garage Information
Parking Type: Paved
Lot Information
# of Buildings: 2
Land Sq. Ft: 16,117
Acres: 0.37
Depth Footage: 150
Front Footage: 107
County Use Description: APARTMENT 13-24 UN
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: —
Sq. Ft.: 4,806
Stories: 1.0
Lot Size: 0.37 acres
Style: Multi-Family (5+ Unit)
Year Built: 1960
Year Renovated: 1960
County: Contra Costa County
APN: 1282000239
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Meadow Homes Elementary School
Public K-5 • Assigned • 0.3mi
2/10
Oak Grove Middle School
Public 6-8 • Assigned • 1.6mi
4/10
Mt. Diablo High School
Public 9-12 • Assigned • 1.6mi
3/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
5/10 Flood Factor
Estimated 33-45% chance of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
7 days above 96° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
18 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Concord, CA • 94520
Average low and high temperatures (°F)
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79
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58
90
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85
60
79
56
64
48
57
45
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Feb
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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.