423 Superior Ave, San Leandro, CA 94577 Property Records

Alameda County property record for 423 Superior Ave, San Leandro, CA 94577

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,180 sqft · built 1926
Lot Size	0.125 acres (5,460 sqft)
Owner	Individual Name on File
Tax Bill	$3,384 (2025)
Deeds & Mortgages	Oct 2018 Line of Credit Aug 2020 Mortgage + 4 more
Flood Zone	Zone X (minimal risk)
APN	`76-328-6`

Property Details

APN / Parcel Number

Primary APN	`76-328-6`
Alternative APN	`076-0328-006-00`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,180 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1926
Effective Year Built	Effective 1926
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	5,460 sqft (0.125 acres)
Lot Dimensions	130 ft deep x 42 ft wide

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	423 SUPERIOR AVE
City	SAN LEANDRO
State	CA
Zip	94577-3017
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	LOT: 00004 BLK: 0002 MP: 0005 PAGE: 0037
Legal Subdivision	CHERRY CITY
Legal Block	2
Legal Lot Number	4
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1005
Census Tract	432100

Owner

Source: Alameda County records, as of August 5, 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	Individual Name on File
Mailing Address	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 2, 2018	Deed of Trust, Mortgage · Line of Credit UMPQUA BANK
Aug 4, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Aug 10, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Jun 10, 2021	Deed of Trust, Mortgage · Line of Credit QUICKEN LOANS LLC
Apr 24, 2018	Intrafamily Transfer, Transfer · Conventional Mortgage UMPQUA BANK
Mar 31, 2017	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Apr 18, 2018
Transfer Doc	0000081515
Record Updated	Sep 20, 2026

October 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017
Transaction Type	Mortgage
Record Updated	Aug 22, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000191070
Date	Oct 2, 2018
Instrument	2018191070

Lender

Name	UMPQUA BANK
Type	Bank
Address	WALNUT CREEK, CA 94596

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017
Transaction Type	Mortgage
Record Updated	Aug 22, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017

Mortgage

Document Number	0000187238
Date	Aug 4, 2020
Instrument	2020187238

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	239 Months
Due	Jul 1, 2040

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017
Transaction Type	Mortgage
Record Updated	Aug 22, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017

Mortgage

Document Number	0000192720
Date	Aug 10, 2020
Instrument	2020192720

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	239 Months
Due	Jul 1, 2040

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017
Transaction Type	Mortgage
Record Updated	Aug 22, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000212041
Date	Jun 10, 2021
Instrument	2021212041

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	348 Months
Due	Jun 18, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2018: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Apr 24, 2018
Property Address	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017
Document Number	0000081515
Map Reference	MB 5 PG 37
Instrument Date	Apr 18, 2018
Instrument	2018081515
Transaction Type	Transfer
Record Updated	Aug 22, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

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	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017

Mortgage

Document Number	0000081516
Date	Apr 24, 2018
Instrument	2018081516

Lender

Name	UMPQUA BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2048

March 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	423 SUPERIOR AVE, SAN LEANDRO, CA 94577-3017
Document Number	0000089852
Instrument Date	Mar 31, 2017
Transaction Type	Mortgage
Record Updated	Aug 18, 2018
Title Company	TITLE SERVICE AND LIAISON COMPANIES, INDECOMM GLOBAL SVCS

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	423 SUPERIOR AVE SAN LEANDRO CA 945773017, SAN LEANDRO, CA 94577-3017

Mortgage

Document Number	0000089852
Date	Apr 21, 2017
Instrument	89852

Lender

Name	BANK OF AMERICA
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

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	Assessed Market Value
2026		$198,869 (-1.47%) Land $128,061 Building $77,808
2025	$3,384.00 (+6.38%) Homeowner's exemption	$201,833 (+4.04%) Land $125,551 Building $76,282
2023	$3,181.00 Homeowner's exemption	$193,996 Land $120,676 Building $73,320	$874,080

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 8 (10% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1998 · rainfall accumulation

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	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.03% annual chance
Exposure	Indirect within 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 801 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	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

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

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