306 Diablo Rd is a 820 square foot house on a 5,358 square foot lot. - it last sold on November 14, 2019 for $1,200,000. Based on Redfin's Danville data, we estimate the home's value is $1,370,201.
Single-familyProperty Type
1942Year Built
5,358 sq ftLot Size
$1,671Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,370,201
$170K since sold in November 2019$20K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 32% lower than the average sale price ($2.02M) 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
DBD6
Downtown Business District-Business and Professional Offices
To allow a combination of commercial activity and business and professional offices except for retail commercial sales which are not ancillary to the specifically permitted uses.
Permitted uses
Include but are not limited to:
Office
Public service
Property details
Interior
Room Information
# of Rooms: 1
Exterior
Property Information
Subdivision Name: RANCHO EL RIO 1ST ADD
Living Sq. Ft: 820
Ground Floor Sq. Ft: 820
Building Sq. Ft: 820
# of Stories: 1
Legal Description: RO EL RIO #1 POR LOT C
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,358
Legal Lot Number: C
Acres: 0.123
County Use Description: OFFICE BUILDING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: —
Sq. Ft.: 820
Stories: 1.0
Lot Size: 5,358 square feet
Style: Single Family Residential
Year Built: 1942
Year Renovated: 2019
County: Contra Costa County
APN: 1962100481
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Montair Elementary School
Public K-5 • Assigned • 0.5mi
10/10
Stone Valley Middle School
Public 6-8 • Assigned • 2.6mi
10/10
San Ramon Valley High School
Public 9-12 • Assigned • 0.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Danville stays competitve for turnkey homes, but buyers are more rate sensitive and selective, Over the last 30 days, new listing outspace closings, easing urgency. Pending favour well- priced properties; condo/townhomes. Overpriced or dated homes...