4 Diablo Cir, Lafayette, CA 94549 Property Records

Contra Costa County property record for 4 Diablo Cir, Lafayette, CA 94549

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 3,349 sqft · built 1950
Lot Size	0.309 acres (13,440 sqft)
Owner	Individual Name on Record
Last Sale	$450,000 (Jun 1998)
Tax Bill	$11,149 (2025)
Deeds & Mortgages	Jul 2026 Line of Credit Oct 2023 Second Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`251-091-009`

Property Details

APN / Parcel Number

Primary APN	`251-091-009`
Alternative APN	`251-091-009-0`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	3,349 sqft Living Area
1st Floor Area	2,020 sqft
2nd Floor Area	1,329 sqft

Exterior

Year Built	Built 1950
Effective Year Built	Effective 2000
Lot Area	13,440 sqft (0.309 acres)
Garage Type	Attached
Garage Area	389 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	4 DIABLO CIR
City	LAFAYETTE
State	CA
Zip	94549-3316
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	HIDDEN VALLEY ESTATES #1 LOT 17
Legal Subdivision	HIDDEN VALLEY ESTATES #1
Legal Lot Number	17
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1000
Census Tract	353002

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	Individual Name on Record
Mailing Address	4 DIABLO CIR, LAFAYETTE, CA 94549-3316
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

Deeds, Mortgages & Sale History

Date	Document
Jul 7, 2026	Deed of Trust, Mortgage · Line of Credit COMERICA BANK
Oct 30, 2023	Deed of Trust, Mortgage · Stand-Alone Second Mortgage PATELCO CU
Mar 20, 2017	Deed of Trust, Mortgage · ARM HOWARD BANK
Feb 25, 2020	Deed of Trust, Mortgage · Line of Credit PATELCO CU
Nov 2, 2021	Deed of Trust, Mortgage · Conventional Mortgage NEWREZ LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 1, 1998 · Amount on Record
Deed Sale	Jun 1, 1998 · Amount on Record
Deed Document Number	1998122139
Last Transfer Date	Jan 6, 2004
Transfer Doc	0000014607
Record Updated	Sep 20, 2026

July 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 7, 2026
Property Address	4 DIABLO CIR, LAFAYETTE, CA 94549-3316
Document Number	0000070937
Instrument Date	Jun 17, 2026
Instrument	202670937
Transaction Type	Mortgage
Record Updated	Jul 14, 2026
Title Company	TICOR TITLE INSURANCE COMPANY, TICOR TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4 DIABLO CIR, LAFAYETTE, CA 94549-3316

Mortgage

Document Number	0000070937,
Date	Jul 7, 2026
Instrument	202670937

Lender

Name	COMERICA BANK

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jun 23, 2056

Interest

Rate Type	Adjustable Rate
Rate	6.51%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

October 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4 DIABLO CIR, LAFAYETTE, CA 94549-3316
Transaction Type	Mortgage
Record Updated	Nov 8, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4 DIABLO CIR, LAFAYETTE, CA 94549-3316

Mortgage

Document Number	0000116780
Date	Oct 30, 2023
Instrument	2023-116780

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded

March 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4 DIABLO CIR, LAFAYETTE, CA 94549-3316
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	SPL PLACER TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000048261
Date	Mar 20, 2017
Instrument	2017-048261

Lender

Name	HOWARD BANK
Type	Bank
Address	ELLICOTT CITY, MD 21043

Agreement

Type	ARM
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3%
Type Change Date	Mar 1, 2024
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8%
Index	1-Year LIBOR
Max Rate	8%

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4 DIABLO CIR, LAFAYETTE, CA 94549-3316
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NATIONAL CLOSING SOLUTIONS

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000035206
Date	Feb 25, 2020
Instrument	2020-035206

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	301 Months
Due	Mar 30, 2045

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4 DIABLO CIR, LAFAYETTE, CA 94549-3316
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4 DIABLO CIR, LAFAYETTE, CA 94549-3316

Mortgage

Document Number	0000305336
Date	Nov 2, 2021
Instrument	2021-305336

Lender

Name	NEWREZ LLC
Type	Mortgage Company
Address	FORT WASHINGTON, PA 19034

Agreement

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

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	Lafayette City
Secondary School District	Acalanes Union High School District (09 - 12)
Elementary School District	Lafayette Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$977,863 (+2%) Land $456,024 Building $521,839
2025	$11,149.00 (-2.37%) Homeowner's exemption	$958,690 (+4.04%) Land $447,083 Building $511,607
2023	$11,420.00 (-3.63%) Homeowner's exemption	$921,465 Land $429,723 Building $491,742
2022	$11,850.00

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
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	10 (1978–2001)
Claims Outside the SFHA	7 of 10
Most Recent Claim	Mar 2001 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 2 claims Severe Winter Storms, Flooding, Landslides, Mud Flows, Jan 1995 · 2 claims Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 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	Low lower than 93% of the US · lower than 96% of California
Wildfire Likelihood	0.03% 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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 277 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250

May also be available: AT&T, Etheric Networks, Unwired.

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