3054 Mount Diablo St, Concord, CA 94518 Property Records

Contra Costa County property record for 3054 Mount Diablo St, Concord, CA 94518

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,130 sqft · built 1954
Lot Size	0.15 acres (6,540 sqft)
Owner	2 Individual Names on File
Last Sale	$583,500 (Apr 2019)
Tax Bill	$8,113 (2025)
Deeds & Mortgages	Oct 2019 Mortgage Nov 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`105-183-018-8`

Property Details

APN / Parcel Number

Primary APN	`105-183-018-8`
Alternative APN	`105-183-018`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,130 sqft Living Area
1st Floor Area	1,130 sqft

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1975
Lot Area	6,540 sqft (0.15 acres)
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	3054 MOUNT DIABLO ST
City	CONCORD
State	CA
Zip	94518-1144
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	WILDEWOOD MANOR LOT 54
Legal Subdivision	WILDWOOD MANOR 01
Legal Lot Number	54
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3021
Census Tract	335000

Owner

3054 Mount Diablo St is owned and occupied by two individuals who bought it in April 2019.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	3054 MOUNT DIABLO ST, CONCORD, CA 94518-1144
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Oct 31, 2019	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Nov 14, 2020	Deed of Trust, Mortgage · Conventional Mortgage BETTER MTG CORP ISAOA
Apr 29, 2020	Deed of Trust, Mortgage · Conventional with PMI QUICKEN LNS
Apr 30, 2019	Grant Deed, Transfer · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 30, 2019 · Amount on File
Deed Sale	Apr 30, 2019 · Amount on File
Prior Sale	May 22, 2015 · Amount on File
Deed Document Number	201960534
Prior Transfer Date	Feb 13, 1997
Prior Transfer Doc	0000041059
Record Updated	Oct 29, 2026

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3054 MOUNT DIABLO ST, CONCORD, CA 94518-1144
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000192794
Date	Oct 31, 2019
Instrument	2019-192794

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2049

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3054 MOUNT DIABLO ST, CONCORD, CA 94518-1144
Document Number	0000283243
Instrument Date	Nov 14, 2020
Transaction Type	Mortgage
Record Updated	Dec 4, 2020
Title Company	TITLE SERVICE AND LIAISON COMPANIES, SIMPLIFILE LC E-RECORDING

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	3054 MOUNT DIABLO ST CONCORD CA 945181144, CONCORD, CA 94518-1144

Mortgage

Document Number	0000283243
Date	Nov 23, 2020
Instrument	283243

Lender

Name	BETTER MTG CORP ISAOA
Address	NEW YORK, NY 10271

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 22, 2050

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3054 MOUNT DIABLO ST, CONCORD, CA 94518-1144
Document Number	0000083962
Instrument Date	Apr 29, 2020
Transaction Type	Mortgage
Record Updated	May 18, 2020
Title Company	AMROCK TITLE CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	3054 MOUNT DIABLO ST CONCORD CA 945181144, CONCORD, CA 94518-1144

Mortgage

Document Number	0000083962
Date	May 4, 2020
Instrument	83962

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	360 Months
Due	May 3, 2050

April 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 30, 2019
Property Address	3054 MOUNT DIABLO ST, CONCORD, CA 94518-1144
Document Number	0000060534
Instrument Date	Apr 16, 2019
Instrument	60534
Transaction Type	Transfer
Record Updated	May 21, 2019
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$641.85
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	3054 MOUNT DIABLO ST CONCORD CA 945181144, CONCORD, CA 94518-1144

Mortgage

Document Number	60535
Date	Apr 30, 2019
Instrument	60535

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Apr 29, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 3054 Mount Diablo St was $8,113 with a homeowner's exemption.

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		$663,575 (+2%) Land $368,312 Building $295,263
2025	$8,113.00 Homeowner's exemption	$650,565 Land $361,091 Building $289,474
2023	$7,756.00 (+1.36%) Homeowner's exemption	$625,305 Land $347,070 Building $278,235
2022	$7,652.00

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

Flood

FEMA maps place 3054 Mount Diablo St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2003.

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
Nearby Flood Claims	1 (2003)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 2003 · rainfall accumulation

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

The area around 3054 Mount Diablo St has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within 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 672 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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