1761 Calle Arroyo, Diablo, CA 94528 Property Records

Contra Costa County property record for 1761 Calle Arroyo, Diablo, CA 94528

Property Summary

Property Type	Single Family Home
Details	7 bd · 6.5 ba · 6,135 sqft · built 2012
Lot Size	0.792 acres (34,500 sqft)
Owner	Company Name on Record
Last Sale	$2,500,000 (Sep 2005)
Tax Bill	$46,037 (2025)
Deeds & Mortgages	Jul 2026 Mortgage Jul 2020 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`195-170-014-3`

Property Details

APN / Parcel Number

Primary APN	`195-170-014-3`
Alternative APN	`195-170-014`

Interior

Bedrooms	7 Beds
Full Baths	6.5 Baths
Half Baths	1 Half Bath
Total Rooms	19 Rooms
Stories	1 Story
Building Area	6,135 sqft Living Area
Gross Area	5,137 sqft
1st Floor Area	5,137 sqft

Exterior

Year Built	Built 2012
Effective Year Built	Effective 2013
Lot Area	34,500 sqft (0.792 acres)
Garage Type	Attached
Garage Area	1,049 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1761 CALLE ARROYO
City	DIABLO
State	CA
Zip	94528
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20
Legal Description	MT DIABLO EST PARK #1 POR LOTS 90 & 91
Legal Subdivision	MOUNT DIABLO ESTATE PARK 01
Legal Lot Number	90,91
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 August 5, 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 393, DIABLO, CA 94528-0393
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 30, 2026	Deed of Trust, Mortgage · Conventional Mortgage CITIBANK NYS
Jul 29, 2020	Deed of Trust, Mortgage · Line of Credit CITIBANK NA
Jul 29, 2020	Deed of Trust, Mortgage · Conventional Mortgage CITIBANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 8, 2005 · Amount on Record
Deed Sale	Sep 8, 2005 · Amount on Record
Deed Document Number	2005341310
Last Transfer Date	Sep 27, 2013
Transfer Doc	0000243605
Record Updated	Oct 29, 2026

July 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 30, 2026
Property Address	1761 CALLE ARROYO, DIABLO, CA 94528
Document Number	0000079868
Instrument Date	Jul 22, 2026
Instrument	202679868
Transaction Type	Mortgage
Record Updated	Aug 5, 2026
Title Company	TICOR TITLE INSURANCE COMPANY, TICOR TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust, 221
Address	1761 CALLE ARROYO, DIABLO, CA 94528

Mortgage

Document Number	0000079868,
Date	Jul 30, 2026
Instrument	202679868

Lender

Name	CITIBANK NYS

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.5%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1761 CALLE ARROYO, DIABLO, CA 94528
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	TICOR TTL ORANGE CNTY BRANCH

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000155422
Date	Jul 29, 2020
Instrument	2020-155422

Lender

Name	CITIBANK NA
Type	Bank
Address	SIOUX FALLS, SD 57108

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1761 CALLE ARROYO, DIABLO, CA 94528
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	TICOR TTL ORANGE CNTY BRANCH

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000155421
Date	Jul 29, 2020
Instrument	2020-155421

Lender

Name	CITIBANK NA
Type	Bank
Address	O FALLON, MO 63368

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.25%
Type Change Date	Aug 1, 2025
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	4.25%
Index	1-Year LIBOR
Max Rate	7.25%

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		$4,143,750 (+2%) Land $2,115,959 Building $2,027,791
2025	$46,037.00 (+3.58%) Homeowner's exemption	$4,062,501 (+4.04%) Land $2,074,470 Building $1,988,031
2023	$44,444.00 (+0.06%) Homeowner's exemption	$3,904,751 Land $1,993,917 Building $1,910,834
2022	$44,416.00

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 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 67% of the US · above 42% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 130 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: Etheric Networks, Verizon.

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