28090 Thorup Ln, Hayward, CA 94542 Property Records

Alameda County property record for 28090 Thorup Ln, Hayward, CA 94542

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 1,819 sqft · built 1987
Lot Size	0.091 acres (3,950 sqft)
Owner	Company Name on Record
Tax Bill	$4,041 (2025)
Deeds & Mortgages	Jul 2023 Transfer Jul 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`81D-2084-82`

Property Details

APN / Parcel Number

Primary APN	`81D-2084-82`
Alternative APN	`081D-2084-082-00`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,819 sqft Living Area

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	3,950 sqft (0.091 acres)

Location & Zoning

Street Address	28090 THORUP LN
City	HAYWARD
State	CA
Zip	94542-2439
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00014 BLK: TR: 3955
Legal Tract	3955
Legal Lot Number	14
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4011
Census Tract	435103

Owner

Source: Alameda 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	5600 TRAILSIDE CT, CASTRO VALLEY, CA 94552-2600
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 11, 2023	Affidavit of Death of Joint Tenant, Transfer
Jul 11, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jul 5, 2023
Transfer Doc	0000078656
Record Updated	Sep 20, 2026

July 2023: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	ALAMEDA CA
Recording Date	Jul 11, 2023
Property Address	28090 THORUP LN, HAYWARD, CA 94542-2439
Document Number	0000078655
Map Reference	MB 108 PG 34-37
Instrument Date	Jul 5, 2023
Instrument	2023078655
Transaction Type	Transfer
Record Updated	Aug 14, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5600 TRAILSIDE CT, CASTRO VALLEY, CA 94552-2600

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jul 11, 2023
Property Address	28090 THORUP LN, HAYWARD, CA 94542-2439
Document Number	0000078656
Map Reference	MB 108 PG 34-37
Instrument Date	Jul 5, 2023
Instrument	2023078656
Transaction Type	Transfer
Record Updated	Aug 14, 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	Family Trust
Address	5600 TRAILSIDE CT, CASTRO VALLEY, CA 94552-2600

Tax Assessment & Valuation

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	Assessed Market Value
2026		$318,616 (+2%) Land $89,013 Building $229,603
2025	$4,041.00 (+2.41%)	$312,370 (+4.04%) Land $87,268 Building $225,102
2023	$3,946.00 (+1.91%)	$300,240 (+2%) Land $83,879 Building $216,361	$1,019,250
2022	$3,872.00	$294,354 Land $82,235 Building $212,119

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

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
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	2 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

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	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 491 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000

May also be available: AT&T, Etheric Networks, T-Mobile, Tekify Fiber & Wireless, Unwired, Verizon.

Cell Coverage

5G and 4G LTE (outdoors only)

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