581 Sybil Ave, San Leandro, CA 94577 Property Records

Alameda County property record for 581 Sybil Ave, San Leandro, CA 94577

Property Summary

Property TypeSingle Family Home
Details5 bd · 1.5 ba · 2,073 sqft · built 1910
Lot Size0.151 acres (6,560 sqft)
OwnerTrust Name on File
Tax Bill$1,913 (2025)
Flood ZoneZone X (minimal risk)
APN77-572-39

Property Details

APN / Parcel Number

Primary APN77-572-39
Alternative APN
  • 077-0572-039-00

Interior

Bedrooms5 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area2,073 sqft Living Area

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Architectural StyleCustom Design
Construction TypeWood
Lot Area6,560 sqft (0.151 acres)

Location & Zoning

Street Address581 SYBIL AVE
CitySAN LEANDRO
StateCA
Zip94577-5068
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00039 BLK: AR: 0077 PAGE: 0572
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group1
Census Block1003
Census Tract432602

Owner

581 Sybil Ave is owner-occupied and held in a trust since August 2005.

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

Owner of RecordTrust Name on File
Mailing Address581 SYBIL AVE, SAN LEANDRO, CA 94577-5068
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

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 NamesName on Deed
Last Transfer DateAug 10, 2005
Transfer Doc0000368792
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 581 Sybil Ave was $1,913 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalitySan Leandro City
Unified School DistrictSan Leandro Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$78,277 (-6.37%) Land $58,769 Building $26,508
2025$1,913.00 Homeowner's exemption$83,605 Land $57,617 Building $25,988
2023$1,762.00 Homeowner's exemption$80,358 Land $55,379 Building $24,979$1,078,020

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

Flood

FEMA maps place 581 Sybil Ave in Zone X, an area of minimal flood risk.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

Wildfire risk around 581 Sybil 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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 815 locations within half a mile, as of December 31, 2025

ProviderMax 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
T-Mobile
Fixed Wireless
100 / 20

May also be available: Etheric Networks, GeoLinks, Verizon.

Nearby Properties on Sybil Ave

Nearby Streets

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