3686 de Rosa Ct, Concord, CA 94518 Property Records

Contra Costa County property record for 3686 de Rosa Ct, Concord, CA 94518

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,724 sqft · built 1964
Lot Size	0.328 acres (14,300 sqft)
Owner	Company Name on Record
Last Sale	$775,000 (Jul 2018)
Tax Bill	$10,476 (2025)
Deeds & Mortgages	Jul 2020 Transfer Jul 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`130-374-012-8`

Property Details

APN / Parcel Number

Primary APN	`130-374-012-8`
Alternative APN	`130-374-012`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,724 sqft Living Area
1st Floor Area	1,724 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1974
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Wood Shingle
Lot Area	14,300 sqft (0.328 acres)
Garage Type	Attached
Garage Area	528 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	3686 DE ROSA CT
City	CONCORD
State	CA
Zip	94518-1527
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R12
Legal Description	TRACT 3073 LOT 107 EX POR MR
Legal Subdivision	SUBDIVISION 3073
Legal Tract	3073
Legal Lot Number	107
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 records, 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 Record
Mailing Address	3686 DE ROSA CT, CONCORD, CA 94518-1527
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 23, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
Jul 26, 2018	Grant Deed, Transfer FIDELITY NATIONAL TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 26, 2018 · Amount on Record
Deed Sale	Jul 26, 2018 · Amount on Record
Prior Sale	Sep 10, 2004 · Amount on Record
Deed Document Number	2018119097
Last Transfer Date	Jun 30, 2020
Transfer Doc	0000149619
Record Updated	Oct 29, 2026

July 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 23, 2020
Property Address	3686 DE ROSA CT, CONCORD, CA 94518-1527
Document Number	0000149619
Instrument Date	Jun 30, 2020
Instrument	149619
Transaction Type	Transfer
Record Updated	Aug 17, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	3686 DE ROSA CT CONCORD CA 945181527, CONCORD, CA 94518-1527

July 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 26, 2018
Property Address	3686 DE ROSA CT, CONCORD, CA 94518-1527
Document Number	0000119097
Instrument Date	Jul 24, 2018
Instrument	119097
Transaction Type	Transfer
Record Updated	Aug 1, 2018
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Tax	$852.50
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	3686 DE ROSA CT CONCORD CA 945181527, CONCORD, CA 94518-1527

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		$881,814 (+2%) Land $590,190 Building $291,624
2025	$10,476.00 (+4.43%) Homeowner's exemption	$864,524 (+4.04%) Land $578,618 Building $285,906
2023	$10,032.00 (+1.24%) Homeowner's exemption	$830,954 Land $556,150 Building $274,804
2022	$9,909.00

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 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

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 221 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Sonic Telecom.

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