1726 el Nido, Diablo, CA 94528 Property Records

Contra Costa County property record for 1726 el Nido, Diablo, CA 94528

Property Summary

Property Type	Single Family Home
Details	5 bd · 6 ba · 6,035 sqft · built 2017
Lot Size	1.02 acres (44,866 sqft)
Owner	Company Name on Record
Last Sale	$5,150,000 (Jul 2020)
Tax Bill	$62,810 (2025)
Deeds & Mortgages	Jul 2020 Sale May 2019 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`195-240-012-3`

Property Details

APN / Parcel Number

Primary APN	`195-240-012-3`
Alternative APN	`195-240-012`

Interior

Bedrooms	5 Beds
Full Baths	6 Baths
Total Rooms	15 Rooms
Stories	1 Story
Building Area	6,035 sqft Living Area
1st Floor Area	6,035 sqft

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2018
Lot Area	44,866 sqft
Garage Type	Attached
Garage Area	1,319 sqft
Parking Spaces	5 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1726 EL NIDO
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 POR 353 TO 356,370 & 371
Legal Subdivision	MOUNT DIABLO ESTATES 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 are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Company Name on Record
Mailing Address	PO BOX 946, DIABLO, CA 94528-0946
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 10, 2020	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
May 3, 2019	Grant Deed, Transfer FIRST AMERICAN TITLE
Sep 25, 2017	Loan Modification, Mortgage HERITAGE BK/COMMERCE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 10, 2020 · Amount on Record
Deed Sale	Jul 10, 2020 · Amount on Record
Prior Sale	May 3, 2019 · Amount on Record
Deed Document Number	2020137116
Prior Transfer Date	Dec 15, 1993
Prior Transfer Doc	0000006958
Record Updated	Oct 29, 2026

July 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 10, 2020
Property Address	1726 EL NIDO, DIABLO, CA 94528
Document Number	0000137116
Instrument Date	Jul 8, 2020
Instrument	137116
Transaction Type	Transfer
Record Updated	Jul 24, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Tax	$5,665.00
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	PO BOX 946 DIABLO CA 945280946, DIABLO, CA 94528-0946

May 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 3, 2019
Property Address	1726 EL NIDO, DIABLO, CA 94528
Document Number	0000063578
Instrument Date	Apr 30, 2019
Instrument	63578
Transaction Type	Transfer
Record Updated	May 28, 2019
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$5,665.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	PO BOX 613 DIABLO CA 945280613, DIABLO, CA 94528-0613

September 2017: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	CONTRA COSTA CA
Property Address	1726 EL NIDO, DIABLO, CA 94528
Document Number	0000206590
Instrument Date	Sep 25, 2017
Transaction Type	Mortgage
Record Updated	Nov 7, 2017
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Partnership
Address	1726 EL NIDO DIABLO CA 94528, DIABLO, CA 94528

Mortgage

Document Number	0000206590
Date	Nov 1, 2017
Instrument	206590

Lender

Name	HERITAGE BK/COMMERCE
Type	Bank
Address	150 ALMADEN BLVD, SAN JOSE, CA 95113-2000

Agreement

Amount	Amount Recorded

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		$5,756,371 (+2%) Land $2,594,588 Building $3,161,783
2025	$62,810.00 (+3.59%) Homeowner's exemption	$5,643,502 (+4.04%) Land $2,543,714 Building $3,099,788
2023	$60,632.00 (+0.77%) Homeowner's exemption	$5,424,360 Land $2,444,940 Building $2,979,420
2022	$60,167.00

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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