17 Diablo Cir, Lafayette, CA 94549 Property Records

Contra Costa County property record for 17 Diablo Cir, Lafayette, CA 94549

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,440 sqft · built 1942
Lot Size	0.23 acres (10,010 sqft)
Owner	2 Company Names on Record
Last Sale	$775,000 (Oct 2004)
Tax Bill	$14,613 (2025)
Deeds & Mortgages	Jun 2021 Transfer Jul 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`251-092-002-4`

Property Details

APN / Parcel Number

Primary APN	`251-092-002-4`
Alternative APN	`251-092-002`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,440 sqft Living Area
1st Floor Area	2,440 sqft

Exterior

Year Built	Built 1942
Effective Year Built	Effective 1965
Lot Area	10,010 sqft (0.23 acres)
Garage Type	Attached
Garage Area	360 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	17 DIABLO CIR
City	LAFAYETTE
State	CA
Zip	94549-3315
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	HIDDEN VALLEY ESTATES #2 LOT 79
Legal Subdivision	HIDDEN VALLEY ESTATES #2
Legal Lot Number	79
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1002
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	2 Company Names on Record
Mailing Address	17 DIABLO CIR, LAFAYETTE, CA 94549-3315
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jun 15, 2021	Intrafamily Transfer, Transfer
Jul 1, 2020	Quit Claim Deed, Transfer QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 15, 2004 · Amount on Record
Deed Sale	Oct 15, 2004 · Amount on Record
Deed Document Number	2004396204
Last Transfer Date	Jun 5, 2021
Transfer Doc	0000173581
Record Updated	Oct 29, 2026

June 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 15, 2021
Property Address	17 DIABLO CIR, LAFAYETTE, CA 94549-3315
Document Number	0000173581
Map Reference	MB 24 PG 750
Instrument Date	Jun 5, 2021
Instrument	2021-173581
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	17 DIABLO CIR, LAFAYETTE, CA 94549-3315

July 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 1, 2020
Property Address	17 DIABLO CIR, LAFAYETTE, CA 94549-3315
Document Number	0000130441
Instrument Date	Jun 24, 2020
Instrument	130441
Transaction Type	Transfer
Record Updated	Jul 22, 2020
Title Company	CALIFORNIA TITLE COMPANY, CALIFORNIA TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	7 DIABLO CIR LAFAYETTE CA 94549, LAFAYETTE, CA 94549

Mortgage

Document Number	130442
Date	Jul 1, 2020
Instrument	130442

Lender

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

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jun 30, 2050

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		$1,178,998 (+2%) Land $781,979 Building $397,019
2025	$14,613.00 (+3.59%) Homeowner's exemption	$1,155,882 (+4.04%) Land $766,647 Building $389,235
2023	$14,107.00 (+1.57%) Homeowner's exemption	$1,110,999 Land $736,878 Building $374,121
2022	$13,889.00

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 500 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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