3149 Diablo Ave, Hayward, CA 94545 Property Records

Alameda County property record for 3149 Diablo Ave, Hayward, CA 94545

Property Summary

Property Type	Warehouse, Storage
Details	11,836 sqft · built 1980
Lot Size	0.65 acres (28,292 sqft)
Owner	Trust Name on File
Tax Bill	$12,779 (2025)
Deeds & Mortgages	Mar 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`439-75-46`

Property Details

APN / Parcel Number

Primary APN	`439-75-46`
Alternative APN	`439-0075-046-00`

Interior

Stories	1 Story
Building Area	11,836 sqft Total Area

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Architectural Style	Custom Design
Exterior Material	Precast Concrete Panel
Construction Type	Masonry / Concrete Block
Fire Resistance	Masonry Walls, Wood Interior
Roof Type	Flat
Roof Material	Built-Up Asphalt
Lot Area	28,292 sqft (0.65 acres)
Lot Dimensions	281 ft deep x 100 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC

Location & Zoning

Street Address	3149 DIABLO AVE
City	HAYWARD
State	CA
Zip	94545-2701
Property Category	Industrial
Property Type	Industrial > Warehouse, Storage
Local Zoning Code	I
Legal Description	LOT: 00003 BLK: PM: 0109 PAGE: 0071
Legal Subdivision	PARCEL MAP 2874
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4042
Census Tract	437101

Owner

3149 Diablo Ave, an industrial property, is held in a trust since March 2017.

Source: Alameda County records, as of August 5, 2026

Owner of Record	Trust Name on File
Mailing Address	2629 TOWNSGATE RD, 235, WESTLAKE VILLAGE, CA 91361-2987
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Mar 24, 2017
Transfer Doc	0000069637
Record Updated	Sep 20, 2026

March 2017: Quit Claim Deed

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Mar 24, 2017
Property Address	3149 DIABLO AVE, HAYWARD, CA 94545-2701
Document Number	0000069637
Instrument Date	Mar 24, 2017
Instrument	69637
Record Updated	Apr 6, 2017

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Corporate Trust
Address	2629 TOWNSGATE RD #235 WESTLAKE VILLAGE CA 913612987, 235, WESTLAKE VILLAGE, CA 91361-2987

Tax Assessment & Valuation

The 2025 property tax bill for 3149 Diablo Ave was $12,779.

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Hayward City
Unified School District	Hayward Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,041,472 (+2%) Land $325,358 Building $716,114
2025	$12,779.00	$1,021,051 Land $318,978 Building $702,073
2023	$12,476.00	$981,407 Land $306,593 Building $674,814

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

Flood

FEMA maps place 3149 Diablo Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 25, 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
Nearby Flood Policies	7 in force

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 3149 Diablo Ave is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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	CITY OF HAYWARD serves 162,954 people · EPA ID CA0110006
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
Lead	Under 1 ppb (2023–2025) 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 108 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Fiber · Cable in parts of the area	2,000 / 2,000
Tekify Fiber & Wireless Fixed Wireless	1,000 / 1,000
Unwired Fixed Wireless	300 / 25

May also be available: Etheric Networks, GeoLinks, RobinsonHSS, T-Mobile, Verizon.