83 Thornton St, San Leandro, CA 94577 Property Records

Alameda County property record for 83 Thornton St, San Leandro, CA 94577

Property Summary

Property Type	Duplex
Details	6 bd · 2.5 ba · 2,698 sqft · built 1920
Lot Size	0.119 acres (5,160 sqft)
Owner	Trust Name on File
Last Sale	$170,000 (Aug 2001)
Tax Bill	$7,566 (2025)
Deeds & Mortgages	Dec 2020 Transfer Dec 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`77-549-31`

Property Details

APN / Parcel Number

Primary APN	`77-549-31`
Alternative APN	`077-0549-031-00`

Interior

Bedrooms	6 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Units	2 Units
Stories	2 Stories
Building Area	2,698 sqft Living Area

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1958
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	5,160 sqft (0.119 acres)
View / Lot	Average

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	83 THORNTON ST
City	SAN LEANDRO
State	CA
Zip	94577-4821
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	LOT: 00031 BLK: AR: 0077 PAGE: 0549
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2004
Census Tract	432601

Owner

83 Thornton St, a duplex, is owner-occupied and held in a trust since August 2001.

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

Owner of Record	Trust Name on File
Mailing Address	81 THORNTON ST, SAN LEANDRO, CA 94577-4821
Occupancy	Owner Occupied
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

Date	Document
Dec 1, 2020	Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Dec 1, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage NEWREZ LLC
Sep 5, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 21, 2001 · Amount on File
Deed Sale	Aug 21, 2001 · Amount on File
Prior Sale	Oct 29, 1999 · Amount on File
Deed Document Number	2001311145
Prior Transfer Date	Mar 30, 1996
Prior Transfer Doc	0000142646
Record Updated	Oct 29, 2026

December 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Dec 1, 2020
Property Address	83 THORNTON ST, SAN LEANDRO, CA 94577-4821
Document Number	0000330752
Instrument Date	Nov 17, 2020
Instrument	330752
Transaction Type	Transfer
Record Updated	Feb 10, 2021
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	81-83 THORNTON ST SAN LEANDRO CA 945774821, SAN LEANDRO, CA 94577-4821

December 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Dec 1, 2020
Property Address	83 THORNTON ST, SAN LEANDRO, CA 94577-4821
Document Number	0000330750
Instrument Date	Nov 17, 2020
Instrument	2020330750
Transaction Type	Transfer
Record Updated	Aug 22, 2022
Title Company	FIDELITY NATIONAL TITLE CO

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
Address	81 THORNTON ST # 83, 83, SAN LEANDRO, CA 94577-4821

Mortgage

Document Number	0000330751
Date	Dec 1, 2020
Instrument	2020330751

Lender

Name	NEWREZ LLC
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 1, 2050

September 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 5, 2017
Property Address	83 THORNTON ST, SAN LEANDRO, CA 94577-4821
Document Number	0000194343
Instrument Date	Aug 16, 2017
Instrument	194343
Transaction Type	Transfer
Record Updated	Oct 9, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	81 THORNTON ST SAN LEANDRO CA 945774821, SAN LEANDRO, CA 94577-4821

Tax Assessment & Valuation

The 2025 property tax bill for 83 Thornton St was $7,566 with a homeowner's exemption.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$477,394 (+0.53%) Land $145,318 Building $339,076
2025	$7,566.00 Homeowner's exemption	$474,898 Land $142,469 Building $332,429
2023	$7,134.00 Homeowner's exemption	$456,460 Land $136,938 Building $319,522

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

Flood

FEMA maps place 83 Thornton St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 83 Thornton St is low, with less than 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 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 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	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 792 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Starlink Satellite	280 / 30

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

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