811 Ridge Dr is a 3,302 square foot house on a 0.8 acre lot with 2 bedrooms and 4 bathrooms. - it last sold on July 20, 2012 for $575,000. Based on Redfin's Concord data, we estimate the home's value is $1,472,507.
Single-familyProperty Type
1975Year Built
0.8 acresLot Size
$446Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$1,472,507
$898K since sold in July 2012$34K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 37.8% higher than the average sale price ($1.07M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40561433
Mar 14, 2012
Contingent
—
Year
Property tax
Land + Additions
Assessment*
2026
$8,983 (+2.5%)
$336,302 + $385,917
$722,219
2025
$8,765 (+2.6%)
$336,302 + $385,917
$722,219
2024
$8,543 (+1.9%)
$329,708 + $378,350
$708,058
2023
$8,385 (+1.3%)
$323,244 + $370,932
$694,176
2022
$8,276 (+2.5%)
$316,906 + $363,659
$680,565
2021
$8,075 (+0.7%)
$310,693 + $356,529
$667,222
2020
$8,020 (+1.2%)
$304,601 + $349,539
$654,140
2019
$7,922 (+3.9%)
$301,478 + $345,955
$647,433
2018
$7,623 (+3.4%)
$295,567 + $339,172
$634,739
2017
$7,372 (+2.7%)
$284,091 + $326,002
$610,093
2016
$7,176 (+1.0%)
$284,091 + $326,002
$610,093
2015
$7,103 (+1.6%)
$278,521 + $319,610
$598,131
2014
$6,988 (+2.7%)
$268,965 + $308,644
$577,609
2013
$6,802 (−9.5%)
$268,965 + $308,644
$577,609
2012
$7,520 (+128.8%)
$267,750 + $307,250
$575,000
2011
$3,287 (+1.4%)
$274,101 + $360,899
$635,000
2010
$3,242 (+0.3%)
$33,655 + $236,785
$270,440
2009
$3,232 (+2.8%)
$33,404 + $235,016
$268,420
2008
$3,144
$33,484 + $235,575
$269,059
Tax history for 811 Ridge Dr
Year
Property tax
Land + Additions
Assessment*
2026
$8,983 (+2.5%)
$336,302 + $385,917
$722,219
2025
$8,765 (+2.6%)
$336,302 + $385,917
$722,219
2024
$8,543 (+1.9%)
$329,708 + $378,350
$708,058
2023
$8,385 (+1.3%)
$323,244 + $370,932
$694,176
2022
$8,276 (+2.5%)
$316,906 + $363,659
$680,565
2021
$8,075 (+0.7%)
$310,693 + $356,529
$667,222
2020
$8,020 (+1.2%)
$304,601 + $349,539
$654,140
2019
$7,922 (+3.9%)
$301,478 + $345,955
$647,433
2018
$7,623 (+3.4%)
$295,567 + $339,172
$634,739
2017
$7,372 (+2.7%)
$284,091 + $326,002
$610,093
2016
$7,176 (+1.0%)
$284,091 + $326,002
$610,093
2015
$7,103 (+1.6%)
$278,521 + $319,610
$598,131
2014
$6,988 (+2.7%)
$268,965 + $308,644
$577,609
2013
$6,802 (−9.5%)
$268,965 + $308,644
$577,609
2012
$7,520 (+128.8%)
$267,750 + $307,250
$575,000
2011
$3,287 (+1.4%)
$274,101 + $360,899
$635,000
2010
$3,242 (+0.3%)
$33,655 + $236,785
$270,440
2009
$3,232 (+2.8%)
$33,404 + $235,016
$268,420
2008
$3,144
$33,484 + $235,575
$269,059
*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
RR40
Rural Residential District
The RR district is applied to areas of the city appropriate for rural single-family residential development or clustered development at densities up to two and one-half units per net acre. Designators RR-40 are used to denote minimum lot sizes of 40000 sq ft respectively. The RR district is consistent with and implements the rural residential RR land use designation of the general plan.
Permitted uses
Include but are not limited to:
Livestock production
Housing-Single unit
Housing-Senior
Recreation
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard
Park & open space
May 8, 2024 • Final
Miscellaneous mechanical, electrical or plumbing
Replace the heating and air conditioning system in a residential building.
HVAC
Dec 8, 2022 • Final
Solar pv
Install a solar photovoltaic system and an energy storage system on a residential building. No main service panel upgrade is included.
Battery
Electrical
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: 9
Exterior
Pool Information
Has Pool
Property Information
Living Sq. Ft: 3,302
Ground Floor Sq. Ft: 3,302
Building Sq. Ft: 3,302
# of Stories: 1
Legal Description: PARCEL MAP 35 PG 6 PCL A
Parking & Garage Information
Garage/Parking Sq. Ft: 768
Lot Information
# of Buildings: 1
Land Sq. Ft: 34,848
Acres: 0.8
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 4.0
Sq. Ft.: 3,302
Stories: 1.0
Lot Size: 0.8 acres
Style: Single Family Residential
Year Built: 1975
Year Renovated: 1975
County: Contra Costa County
APN: 1300310123
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
El Monte Elementary School
Public K-5 • Assigned • 0.7mi
6/10
El Dorado Middle School
Public 6-8 • Assigned • 2.0mi
3/10
Concord High School
Public 9-12 • Assigned • 2.3mi
5/10
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
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, 13 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 • 94518
Average low and high temperatures (°F)
61°
41°
64°
44°
72°
49°
71°
50°
79°
55°
83°
57°
85°
59°
90°
60°
84°
62°
74°
54°
65°
47°
57°
45°
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$1.40M – $1.69M
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