3200 Mount Diablo St, Concord, CA 94518 Property Records

Contra Costa County property record for 3200 Mount Diablo St, Concord, CA 94518

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,200 sqft · built 1954
Lot Size	0.194 acres (8,464 sqft)
Owner	2 Individual Names on Record
Tax Bill	$3,556 (2025)
Deeds & Mortgages	Mar 2026 Transfer May 2021 Reverse Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`105-172-059-5`

Property Details

APN / Parcel Number

Primary APN	`105-172-059-5`
Alternative APN	`105-172-059`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,200 sqft Living Area
1st Floor Area	1,200 sqft

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1970
Lot Area	8,464 sqft (0.194 acres)
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	3200 MOUNT DIABLO ST
City	CONCORD
State	CA
Zip	94518-1148
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R8
Legal Description	HUNTLEIGH PARK #3 LOT 54
Legal Subdivision	HUNT LEIGH PARK 03
Legal Lot Number	54
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2000
Census Tract	335000

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	2 Individual Names on Record
Mailing Address	3200 MOUNT DIABLO ST, CONCORD, CA 94518-1148
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Mar 12, 2026	Intrafamily Transfer, Transfer
May 3, 2021	Deed of Trust, Mortgage · Reverse Mortgage OPEN MORTGAGE LLC
Feb 16, 2017	Deed of Trust, Mortgage · FHA Mortgage AMERICAN ADVISORS
Feb 16, 2017	Deed of Trust, Mortgage · FHA Mortgage HUD-HOUSING/URBAN DEV

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Mar 12, 2026
Transfer Doc	0000024395
Record Updated	Sep 20, 2026

March 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 12, 2026
Property Address	3200 MOUNT DIABLO ST, CONCORD, CA 94518-1148
Document Number	0000024395
Map Reference	MB 48 PG 40
Instrument Date	Mar 12, 2026
Instrument	2026- 024395
Transaction Type	Transfer
Record Updated	Mar 23, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3200 MOUNT DIABLO ST, CONCORD, CA 94518-1148

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3200 MOUNT DIABLO ST, CONCORD, CA 94518-1148
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE INSURANCE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3200 MOUNT DIABLO ST, CONCORD, CA 94518-1148

Mortgage

Document Number	0000132891
Date	May 3, 2021
Instrument	2021-132891

Lender

Name	OPEN MORTGAGE LLC
Type	Mortgage Company
Address	AUSTIN, TX 78737

Agreement

Type	Reverse Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	2.18%
Type Change Date	Jun 1, 2021
Change Frequency	Annually
Index	1-Year LIBOR
Max Rate	12.1%

February 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3200 MOUNT DIABLO ST, CONCORD, CA 94518-1148
Document Number	0000036781
Instrument Date	Feb 16, 2017
Transaction Type	Mortgage
Record Updated	Mar 20, 2017
Title Company	TIMIOS INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3200 MOUNT DIABLO ST CONCORD CA 945181148, CONCORD, CA 94518-1148

Mortgage

Document Number	0000036781
Date	Mar 1, 2017
Instrument	36781

Lender

Name	AMERICAN ADVISORS
Address	ORANGE, CA 92868

Agreement

Type	FHA Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	4.45%

February 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3200 MOUNT DIABLO ST, CONCORD, CA 94518-1148
Document Number	0000036782
Instrument Date	Feb 16, 2017
Transaction Type	Mortgage
Record Updated	Nov 16, 2018
Title Company	TIMIOS INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3200 MOUNT DIABLO ST CONCORD CA 945181148, CONCORD, CA 94518-1148

Mortgage

Document Number	0000036782
Date	Mar 1, 2017
Instrument	36782

Lender

Name	HUD-HOUSING/URBAN DEV

Agreement

Type	FHA Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	4.45%

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		$235,128 (+2%) Land $148,918 Building $86,210
2025	$3,556.00 (+5.55%)	$230,519 (+4.04%) Land $145,999 Building $84,520
2023	$3,369.00 (+1.94%)	$221,570 Land $140,331 Building $81,239
2022	$3,305.00

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
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	3 (1980–1998)
Most Recent Claim	Mar 1998 · Severe Winter Storms And Flooding
Claims by Event	Severe Winter Storms And Flooding, Mar 1998 · 2 claims

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	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.

Cell Coverage

5G (outdoors only) and 4G LTE

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