991 Ridge Dr is a 12,645 square foot house on a 1.5 acre lot with 5 bedrooms and 7 bathrooms. - it last sold on February 17, 1988 for $220,000. Based on Redfin's Concord data, we estimate the home's value is $4,307,604.
Single-familyProperty Type
1992Year Built
1.5 acresLot Size
$341Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$4,307,605
$4.1M since sold in February 1988$154K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 227.3% higher than the average sale price ($1.32M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40736434
Jun 10, 2016
Listing Removed
—
Public Records
Jun 10, 2016
Sold
$3,500,000
$277/sq ft
Public Records
Feb 17, 1988
Sold
$220,000
$17/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$42,337 (+2.2%)
$845,228 + $2,897,932
$3,743,160
2025
$41,421 (+2.4%)
$845,228 + $2,897,932
$3,743,160
2024
$40,469 (+1.6%)
$828,655 + $2,841,110
$3,669,765
2023
$39,842 (+1.0%)
$812,407 + $2,785,402
$3,597,809
2022
$39,460 (+2.2%)
$796,478 + $2,730,787
$3,527,265
2021
$38,604 (+0.5%)
$780,861 + $2,677,243
$3,458,104
2020
$38,424 (+1.2%)
$765,550 + $2,624,749
$3,390,299
2019
$37,962 (+3.7%)
$757,701 + $2,597,836
$3,355,537
2018
$36,596 (+3.1%)
$742,845 + $2,546,899
$3,289,744
2017
$35,479 (+0.5%)
$714,000 + $2,448,000
$3,162,000
2016
$35,297 (−7.2%)
$714,000 + $2,448,000
$3,162,000
2015
$38,034 (+20.2%)
$710,675 + $2,436,600
$3,147,275
2014
$31,639 (+4.4%)
$207,380 + $2,557,620
$2,765,000
2013
$30,307 (−0.1%)
$207,380 + $2,557,620
$2,765,000
2012
$30,339 (+1.7%)
$202,506 + $2,497,494
$2,700,000
2011
$29,843 (−24.2%)
$202,506 + $2,497,494
$2,700,000
2010
$39,383 (+0.4%)
$202,506 + $2,497,494
$2,700,000
2009
$39,245 (+2.7%)
$268,939 + $3,316,806
$3,585,745
2008
$38,214
$269,578 + $3,324,686
$3,594,264
Tax history for 991 Ridge Dr
Year
Property tax
Land + Additions
Assessment*
2026
$42,337 (+2.2%)
$845,228 + $2,897,932
$3,743,160
2025
$41,421 (+2.4%)
$845,228 + $2,897,932
$3,743,160
2024
$40,469 (+1.6%)
$828,655 + $2,841,110
$3,669,765
2023
$39,842 (+1.0%)
$812,407 + $2,785,402
$3,597,809
2022
$39,460 (+2.2%)
$796,478 + $2,730,787
$3,527,265
2021
$38,604 (+0.5%)
$780,861 + $2,677,243
$3,458,104
2020
$38,424 (+1.2%)
$765,550 + $2,624,749
$3,390,299
2019
$37,962 (+3.7%)
$757,701 + $2,597,836
$3,355,537
2018
$36,596 (+3.1%)
$742,845 + $2,546,899
$3,289,744
2017
$35,479 (+0.5%)
$714,000 + $2,448,000
$3,162,000
2016
$35,297 (−7.2%)
$714,000 + $2,448,000
$3,162,000
2015
$38,034 (+20.2%)
$710,675 + $2,436,600
$3,147,275
2014
$31,639 (+4.4%)
$207,380 + $2,557,620
$2,765,000
2013
$30,307 (−0.1%)
$207,380 + $2,557,620
$2,765,000
2012
$30,339 (+1.7%)
$202,506 + $2,497,494
$2,700,000
2011
$29,843 (−24.2%)
$202,506 + $2,497,494
$2,700,000
2010
$39,383 (+0.4%)
$202,506 + $2,497,494
$2,700,000
2009
$39,245 (+2.7%)
$268,939 + $3,316,806
$3,585,745
2008
$38,214
$269,578 + $3,324,686
$3,594,264
*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
Nov 28, 2016 • Final
Building
Install a roof-mounted solar photovoltaic system on a residential building.
Electrical
Solar
Sep 30, 2016 • Active
Revision
Add a new electrical disconnect for an air conditioning unit.
Electrical
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: 21
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: SUBDIVISION 4974
Living Sq. Ft: 12,645
Ground Floor Sq. Ft: 7,679
Building Sq. Ft: 12,645
# of Stories: 1
Legal Description: T04974 L0004 B
Parking & Garage Information
Garage/Parking Sq. Ft: 1,122
Lot Information
# of Buildings: 1
Land Sq. Ft: 65,340
Legal Lot Number: 4
Acres: 1.5
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 7.0
Sq. Ft.: 12,645
Stories: 1.0
Lot Size: 1.5 acres
Style: Single Family Residential
Year Built: 1992
Year Renovated: 1994
County: Contra Costa County
APN: 1300700109
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 • 0.6mi
6/10
El Dorado Middle School
Public 6-8 • Assigned • 1.9mi
3/10
Concord High School
Public 9-12 • Assigned • 2.1mi
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
4/10 Fire Factor
1% chance of being in a wildfire in next 30 years
4/10 Heat Factor
6 days above 96° expected this year, 12 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
$4.09M – $4.95M
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