1822 el Nido, Diablo, CA 94528 Property Records

Contra Costa County property record for 1822 el Nido, Diablo, CA 94528

Property Summary

Property Type	Single Family Home
Details	5 bd · 7.5 ba · 7,413 sqft · built 2017
Lot Size	1.17 acres (51,400 sqft)
Owner	Company Name on Record
Last Sale	$7,350,000 (Mar 2023)
Tax Bill	$84,575 (2025)
Deeds & Mortgages	Apr 2023 Sale Mar 2023 Sale + 3 more
Flood Zone	Zone X (minimal risk)
APN	`195-240-016-4`

Property Details

APN / Parcel Number

Primary APN	`195-240-016-4`
Alternative APN	`195-240-016`

Interior

Bedrooms	5 Beds
Full Baths	7.5 Baths
Half Baths	1 Half Bath
Total Rooms	14 Rooms
Stories	2 Stories
Building Area	7,413 sqft Living Area
1st Floor Area	4,255 sqft
2nd Floor Area	3,158 sqft

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2018
Lot Area	51,400 sqft
Garage Type	Attached
Garage Area	1,151 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1822 EL NIDO
City	DIABLO
State	CA
Zip	94528
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20
Legal Description	POR SECS 15 & 22 T1S R1W 1.18 AC
Legal Subdivision	MOUNT DIABLO ESTATE PARK 01
Legal Lot Number	353
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 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	PO BOX 783, DIABLO, CA 94528-0783
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 26, 2023	Deed, Transfer
Mar 24, 2023	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Nov 3, 2022	Intrafamily Transfer, Transfer
Sep 26, 2019	Deed of Trust, Mortgage WELLS FARGO BK
Sep 26, 2019	Grant Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 24, 2023 · Amount on Record
Deed Sale	Mar 24, 2023 · Amount on Record
Prior Sale	Sep 26, 2019 · Amount on Record
Deed Document Number	202327520
Last Transfer Date	Apr 19, 2023
Transfer Doc	0000038720
Record Updated	Sep 20, 2026

April 2023: Deed, Transfer

Document Type	Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 26, 2023
Property Address	1822 EL NIDO, DIABLO, CA 94528
Document Number	0000038720
Instrument Date	Apr 19, 2023
Instrument	2023-038720
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	PO BOX 783, DIABLO, CA 94528-0783

March 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 24, 2023
Property Address	1822 EL NIDO, DIABLO, CA 94528
Document Number	0000027520
Instrument Date	Mar 13, 2023
Instrument	2023-027520
Transaction Type	Transfer
Record Updated	Apr 3, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

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
Address	1822 EL NIDO, DIABLO, CA 94528

November 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 3, 2022
Property Address	1822 EL NIDO, DIABLO, CA 94528
Document Number	0000170032
Instrument Date	Oct 21, 2022
Instrument	2022-170032
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	1822 EL NIDO, DIABLO, CA 94528

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1822 EL NIDO, DIABLO, CA 94528
Document Number	0000161204
Instrument Date	Sep 26, 2019
Transaction Type	Mortgage
Record Updated	Oct 15, 2019
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	370 CASTELLO RD LAFAYETTE CA 945495607, LAFAYETTE, CA 94549-5607

Mortgage

Document Number	0000161204
Date	Sep 26, 2019
Instrument	161204

Lender

Name	WELLS FARGO BK
Type	Bank
Address	101 N PHILLIPS AVE, SIOUX FALLS, SD 57104-6738

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Sep 25, 2049

Interest

Rate Type	Adjustable Rate
Rate	2.12%

September 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 26, 2019
Property Address	1822 EL NIDO, DIABLO, CA 94528
Document Number	0000161203
Instrument Date	Sep 13, 2019
Instrument	161203
Transaction Type	Transfer
Record Updated	Oct 17, 2019
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Amount	Amount Recorded
Tax	$7,040.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	1822 EL NIDO DIABLO CA 94528, DIABLO, CA 94528

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		$7,799,878 (+2%) Land $3,024,442 Building $4,775,436
2025	$84,575.00 (+12.94%)	$7,646,940 (+13.67%) Land $2,965,140 Building $4,681,800
2023	$74,888.00 (+0.87%)	$6,727,540 Land $2,102,356 Building $4,625,184
2022	$74,243.00

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
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 68% of the US · above 43% 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 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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