1531 Dianda Dr, Concord, CA 94521 Property Records

Contra Costa County property record for 1531 Dianda Dr, Concord, CA 94521

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,892 sqft · built 1964
Lot Size	0.184 acres (8,000 sqft)
Owner	Company Name on Record
Tax Bill	$2,055 (2025)
Deeds & Mortgages	Sep 2018 Transfer Sep 2018 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`115-412-001-6`

Property Details

APN / Parcel Number

Primary APN	`115-412-001-6`
Alternative APN	`115-412-001`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,892 sqft Living Area
1st Floor Area	1,892 sqft

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1964
Lot Area	8,000 sqft (0.184 acres)
Garage Type	Attached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	1531 DIANDA DR
City	CONCORD
State	CA
Zip	94521-1948
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R7
Legal Description	TRACT 3172 LOT 10 EX MR
Legal Subdivision	CLAYTON SQUARE SUB 3172
Legal Tract	3172
Legal Lot Number	10
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3008
Census Tract	333200

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	1531 DIANDA DR, CONCORD, CA 94521-1948
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 24, 2018	Affidavit of Death, Transfer OLD REPUBLIC TITLE
Sep 24, 2018	Quit Claim Deed, Transfer · Conventional Mortgage QUICKEN LNS
Sep 24, 2018	Quit Claim Deed, Transfer OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Sep 18, 2018
Transfer Doc	0000151942
Record Updated	Sep 20, 2026

September 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 24, 2018
Property Address	1531 DIANDA DR, CONCORD, CA 94521-1948
Document Number	0000151943
Instrument Date	Sep 18, 2018
Instrument	151943
Transaction Type	Transfer
Record Updated	Oct 3, 2018
Title Company	OLD REPUBLIC TITLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	1531 DIANDA DR CONCORD CA 945211948, CONCORD, CA 94521-1948

September 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 24, 2018
Property Address	1531 DIANDA DR, CONCORD, CA 94521-1948
Document Number	0000151940
Instrument Date	Sep 18, 2018
Instrument	151940
Transaction Type	Transfer
Record Updated	Nov 22, 2018
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1531 DIANDA DR CONCORD CA 945211948, CONCORD, CA 94521-1948

Mortgage

Document Number	151941
Date	Sep 24, 2018
Instrument	151941

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 23, 2048

September 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 24, 2018
Property Address	1531 DIANDA DR, CONCORD, CA 94521-1948
Document Number	0000151942
Instrument Date	Sep 18, 2018
Instrument	151942
Transaction Type	Transfer
Record Updated	Oct 3, 2018
Title Company	OLD REPUBLIC TITLE

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	1531 DIANDA DR CONCORD CA 945211948, CONCORD, CA 94521-1948

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		$109,704 (+2%) Land $36,808 Building $72,896
2025	$2,055.00 (+7.2%) Homeowner's exemption	$107,554 (+4.04%) Land $36,087 Building $71,467
2023	$1,917.00 (+2.9%) Homeowner's exemption	$103,380 Land $34,687 Building $68,693
2022	$1,863.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; 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 502 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
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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