1897 Calle Arroyo, Diablo, CA 94528 Property Records

Contra Costa County property record for 1897 Calle Arroyo, Diablo, CA 94528

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,413 sqft · built 1925
Lot Size	0.922 acres (40,180 sqft)
Owner	Company Name on Record
Last Sale	$4,000,000 (Jun 2021)
Tax Bill	$6,723 (2025)
Deeds & Mortgages	Jun 2021 Sale Jan 2021 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`195-180-039-8`

Property Details

APN / Parcel Number

Primary APN	`195-180-039-8`
Alternative APNs	`195-180-039` `1951800190`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,413 sqft Living Area
1st Floor Area	1,847 sqft
2nd Floor Area	566 sqft

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1995
Lot Area	40,180 sqft (0.922 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1897 CALLE ARROYO
City	DIABLO
State	CA
Zip	94528
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20
Legal Description	PCL MAP 14 PG 45 PCL C & POR TR ADJ
Legal Subdivision	CLUB GROUNDS
Legal Lot Number	79
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1000
Census Tract	346205

Owner

Source: Contra Costa County records, as of October 12, 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	PO BOX 229, DIABLO, CA 94528-0229
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jun 17, 2021	Grant Deed, Transfer FIRST AMERICAN TITLE COMPANY
Jan 13, 2021	Grant Deed, Transfer FIRST AMERICAN TITLE
Jan 13, 2021	Quit Claim Deed, Transfer FIRST AMERICAN TITLE
Jan 13, 2021	Quit Claim Deed, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 17, 2021 · Amount on Record
Deed Sale	Jun 17, 2021 · Amount on Record
Prior Sale	Jan 13, 2021 · Amount on Record
Deed Document Number	2021176066
Prior Transfer Date	Jan 4, 2021
Prior Transfer Doc	0000011900
Record Updated	Oct 29, 2026

June 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 17, 2021
Property Address	1897 CALLE ARROYO, DIABLO, CA 94528
Document Number	0000176066
Map Reference	MB 14 PG 45
Instrument Date	Jun 11, 2021
Instrument	2021-176066
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	PO BOX 229, DIABLO, CA 94528-0229

January 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 13, 2021
Property Address	1897 CALLE ARROYO, DIABLO, CA 94528
Document Number	0000011902
Instrument Date	Jan 5, 2021
Instrument	11902
Transaction Type	Transfer
Record Updated	Jan 26, 2021
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$5,170.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	1897 CALLE ARROYO DIABLO CA 94528, DIABLO, CA 94528

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 13, 2021
Property Address	1897 CALLE ARROYO, DIABLO, CA 94528
Document Number	0000011901
Instrument Date	Jan 5, 2021
Instrument	11901
Transaction Type	Transfer
Record Updated	Jan 26, 2021
Title Company	FIRST AMERICAN 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	1897 CALLE ARROYO DIABLO CA 94528, DIABLO, CA 94528

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 13, 2021
Property Address	1897 CALLE ARROYO, DIABLO, CA 94528
Document Number	0000011900
Instrument Date	Jan 4, 2021
Instrument	11900
Transaction Type	Transfer
Record Updated	Jan 28, 2021
Title Company	FIRST AMERICAN 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	PO BOX 366 DIABLO CA 945280366, DIABLO, CA 94528-0366

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Unified School District	San Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$477,292 (+3.15%) Land $240,000 Building $237,292
2025	$6,723.00 (-54.12%) Homeowner's exemption	$462,729 (-61.4%) Land $235,992 Building $226,737
2023	$14,653.00 (-48.7%) Homeowner's exemption	$1,198,809 Land $780,000 Building $418,809
2022	$28,565.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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 A, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 18 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	18 in force
Nearby Flood Claims	1 (2017)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 2017 · Severe Winter Storms, Flooding, And Mudslides

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	Moderate above 69% of the US · above 44% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Direct burnable vegetation

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 153 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Verizon.

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