440 El Rio is a 2,841 square foot house on a 0.94 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on November 30, 1987 for $288,000. Based on Redfin's Danville data, we estimate the home's value is $1,939,892.
Single-familyProperty Type
1971Year Built
0.94 acresLot Size
$683Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,939,892
$1.7M since sold in November 1987$34K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.6% lower than the average sale price ($2.17M) 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
R-65
Single Family Residential District
The purposes of the single family residential districts are to: Assure that future development complement Danville's existing small town character and established quality of life.;Integrate new development in a manner that is visually and functionally compatible with the physical character of the surrounding community.; Preserve, protect and enhance appropriately located areas for residential land use, consistent with the Town-wide design guidelines, the General Plan and with standards of public health and safety.; Minimize the impacts of uses, protect residents from the harmful effects of excessive noise, overcrowding, excessive traffic, insufficient parking and other adverse environmental effects.; Ensure adequate provisions for sites, with reasonable access to public services, for appropriate public and semipublic land uses, including care facilities, needed to complement residential development or that require a residential environment. At the same time, protect the relatively quiet, primarily noncommercial, family atmosphere of neighborhoods.
Permitted uses
Include but are not limited to:
Livestock production
Healthcare
Housing-Group
Housing-Single unit
Housing-Senior
Housing-Other
Park & open space
Property details
Interior
Room Information
# of Rooms: 10
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: RANCHO EL RIO
Living Sq. Ft: 2,841
Ground Floor Sq. Ft: 1,686
Building Sq. Ft: 2,841
# of Stories: 2
Legal Description: REC OF SURV 48 LSM 12 PCL A & POR D
Parking & Garage Information
Garage/Parking Sq. Ft: 871
Lot Information
# of Buildings: 1
Land Sq. Ft: 40,946
Legal Lot Number: 35-37
Acres: 0.94
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,841
Stories: 2.0
Lot Size: 0.94 acres
Style: Single Family Residential
Year Built: 1971
Year Renovated: 1972
County: Contra Costa County
APN: 2000300372
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Vista Grande Elementary School
Public K-5 • Assigned • 1.0mi
9/10
Los Cerros Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 1.3mi
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...