820 Ridge Dr, Concord, CA 94518 Property Records

Contra Costa County property record for 820 Ridge Dr, Concord, CA 94518

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 3,300 sqft · built 1985
Lot Size	0.995 acres (43,350 sqft)
Owner	Company Name on File
Last Sale	$1,135,000 (Jun 2017)
Tax Bill	$15,566 (2025)
Deeds & Mortgages	Feb 2018 Mortgage May 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`130-450-012-5`

Property Details

APN / Parcel Number

Primary APN	`130-450-012-5`
Alternative APN	`130-450-012`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	1 Story
Building Area	3,300 sqft Living Area
1st Floor Area	2,336 sqft
Basement Area	964 sqft

Exterior

Year Built	Built 1985
Effective Year Built	Effective 2010
Lot Area	43,350 sqft (0.995 acres)
Garage Type	Attached
Garage Area	768 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	820 RIDGE DR
City	CONCORD
State	CA
Zip	94518-1447
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R4
Legal Description	T05051 L0012 B
Legal Subdivision	SUBDIVISION 5051
Legal Tract	05051
Legal Lot Number	12
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2003
Census Tract	337100

Owner

Source: Contra Costa County assessment roll, as of July 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	29 DIABLO RIDGE LN, WALNUT CREEK, CA 94598-5119
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Feb 23, 2018	Deed of Trust, Mortgage · Commercial Mortgage SUMMIT BANK
May 4, 2021	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK
Dec 23, 2020	Quit Claim Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Jun 8, 2017	Grant Deed, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 8, 2017 · Amount on Record
Deed Sale	Jun 8, 2017 · Amount on Record
Prior Sale	May 29, 1997 · Amount on Record
Deed Document Number	2017102067
Prior Transfer Date	Mar 4, 2016
Prior Transfer Doc	0000053026
Record Updated	Sep 20, 2026

February 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	820 RIDGE DR, CONCORD, CA 94518-1447
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000028682
Date	Feb 23, 2018
Instrument	2018-028682

Lender

Name	SUMMIT BANK
Type	Bank
Address	OAKLAND, CA 94611

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

May 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 4, 2021
Property Address	820 RIDGE DR, CONCORD, CA 94518-1447
Document Number	0000133811
Map Reference	MB 229 PG 28
Instrument Date	Apr 26, 2021
Instrument	2021-133811
Transaction Type	Transfer
Record Updated	May 30, 2023
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	29 DIABIO RIDGE LANE, WALNUT CREEK, CA 94598-5119

Mortgage

Document Number	0000133812
Date	May 4, 2021
Instrument	2021-133812

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2051

December 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 23, 2020
Property Address	820 RIDGE DR, CONCORD, CA 94518-1447
Document Number	0000324546
Instrument Date	Dec 17, 2020
Instrument	324546
Transaction Type	Transfer
Record Updated	Jan 8, 2021
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	29 DIABLO RIDGE LN WALNUT CREEK CA 945985119, WALNUT CREEK, CA 94598-5119

June 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 8, 2017
Property Address	820 RIDGE DR, CONCORD, CA 94518-1447
Document Number	0000102067
Instrument Date	May 22, 2017
Instrument	102067
Transaction Type	Transfer
Record Updated	Jun 20, 2017
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$1,248.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	820 RIDGE DR CONCORD CA 945181447, CONCORD, CA 94518-1447

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Concord City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,343,604 (+2%) Land $870,088 Building $473,516
2025	$15,566.00 (+4.19%)	$1,317,260 (+4.04%) Land $853,028 Building $464,232
2023	$14,940.00 (+1.11%)	$1,266,110 Land $819,904 Building $446,206
2022	$14,776.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 18 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	18 in force
Nearby Flood Claims	3 (1983–2012)
Most Recent Claim	Dec 2012 · other causes

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 97% of the US · lower than 97.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 615 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Radiate Holdings Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25

May also be available: AT&T, Sonic Telecom, T-Mobile USA, Verizon.

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