850 San Miguel Rd is a 1,375 square foot house on a 0.57 acre lot with 1 bedroom and 2 bathrooms. - it last sold on September 11, 1995 for $275,000. Based on Redfin's Concord data, we estimate the home's value is $938,753.
Single-familyProperty Type
1955Year Built
0.57 acresLot Size
$683Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$938,753
$664K since sold in September 1995$9,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.2% higher than the average sale price ($829K) 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.
Permits
Feb 22, 2013 • Final
Building
Replace the water service line.
Plumbing
Feb 22, 2013 • Final
Bldhp historical
Install a solar heater for a domestic hot water system.
Electrical
Plumbing
Solar
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: 4
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: SAN MIGUEL RHO
Living Sq. Ft: 1,375
Ground Floor Sq. Ft: 1,375
Building Sq. Ft: 1,375
# of Stories: 1
Legal Description: POR RO SAN MIGUEL
Parking & Garage Information
Garage/Parking Sq. Ft: 475
Lot Information
# of Buildings: 1
Land Sq. Ft: 24,829
Acres: 0.57
County Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Canal
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 2.0
Sq. Ft.: 1,375
Stories: 1.0
Lot Size: 0.57 acres
Style: Single Family Residential
Year Built: 1955
Year Renovated: 1955
County: Contra Costa County
APN: 1302510027
Home facts updated by county records on Oct 9, 2026
Around this home
Schools
Woodside Elementary School
Public K-5 • Assigned • 0.6mi
6/10
Oak Grove Middle School
Public 6-8 • Assigned • 1.2mi
4/10
Ygnacio Valley High School
Public 9-12 • Assigned • 1.1mi
3/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
2/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
2% chance of being 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
17 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Concord, CA • 94518
Average low and high temperatures (°F)
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84
62
79
55
65
47
57
45
Jan
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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.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$892,000 – $1.08M
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