1531 Ave Nueva, Diablo, CA 94528 Property Records

Contra Costa County property record for 1531 Ave Nueva, Diablo, CA 94528

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 4,266 sqft · built 2009
Lot Size	0.53 acres (23,086 sqft)
Owner	Trust Name on File
Last Sale	$3,295,000 (Oct 2023)
Tax Bill	$38,369 (2025)
Deeds & Mortgages	Oct 2023 Sale Nov 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`195-270-029`

Property Details

APN / Parcel Number

Primary APN	`195-270-029`
Alternative APN	`195-270-029-0`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	13 Rooms
Stories	1 Story
Building Area	4,266 sqft Living Area
Gross Area	5,085 sqft
1st Floor Area	4,266 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2009
Effective Year Built	Effective 2009
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	23,086 sqft (0.53 acres)
Garage Type	Attached
Garage Area	819 sqft
Parking Spaces	3 Parking Spaces
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1531 AVENIDA NUEVA
City	DIABLO
State	CA
Zip	94528
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20
Legal Description	POR NE 1/4 SEC 22 T1S R1W .53 AC
Legal Range	01W
Legal Township	01S
Legal Section	22
Legal Subdivision	MOUNT DIABLO ESTATE PARK 01
Legal Lot Number	158
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1016
Census Tract	346205

Owner

1531 Ave Nueva is held in a trust since October 2023.

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	Trust Name on File
Mailing Address	11594 S WATER ST, OLATHE, KS 66061-8796
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 30, 2023	Grant Deed, Transfer CHICAGO TITLE COMPANY
Nov 15, 2021	Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 30, 2023 · Amount on File
Deed Sale	Oct 30, 2023 · Amount on File
Prior Sale	Nov 15, 2021 · Amount on File
Deed Document Number	2023116884
Prior Transfer Date	Dec 8, 2008
Prior Transfer Doc	0000009685
Record Updated	Oct 29, 2026

October 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 30, 2023
Property Address	1531 AVENIDA NUEVA, DIABLO, CA 94528
Document Number	0000116884
Map Reference	MB 15 PG 301
Instrument Date	Oct 26, 2023
Instrument	2023-116884
Transaction Type	Transfer
Record Updated	Nov 8, 2023
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
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	11594 S WATER ST, OLATHE, KS 66061-8796

November 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 15, 2021
Property Address	1531 AVENIDA NUEVA, DIABLO, CA 94528
Document Number	0000315924
Map Reference	MB 15 PG 301
Instrument Date	Nov 10, 2021
Instrument	2021-315924
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
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	Family Trust
Address	484 LAKE PARK AVE, OAKLAND, CA 94610-2730

Tax Assessment & Valuation

The 2025 property tax bill for 1531 Ave Nueva was $38,369.

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		$3,446,478 (+2%) Land $1,664,640 Building $1,781,838
2025	$38,369.00	$3,378,900 Land $1,632,000 Building $1,746,900
2023	$27,688.00 (+0.75%) Homeowner's exemption	$2,396,694 Land $1,326,000 Building $1,070,694
2022	$27,481.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 1531 Ave Nueva in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File 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

Wildfire risk around 1531 Ave Nueva is high, ranking above 71% of the US, with a 0.3% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	High above 71% of the US · above 46% 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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