20112 Forest Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 20112 Forest Ave, Castro Valley, CA 94546

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,175 sqft · built 1953
Lot Size0.166 acres (7,216 sqft)
Owner2 Individual Names on Record
Tax Bill$3,999 (2025)
Flood ZoneZone X (minimal risk)
APN84C-707-8

Property Details

APN / Parcel Number

Primary APN84C-707-8
Alternative APN
  • 084C-0707-008-00

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,175 sqft Living Area

Exterior

Year BuiltBuilt 1953
Effective Year BuiltEffective 1954
Architectural StyleL-Shape
Construction TypeWood
Lot Area7,216 sqft (0.166 acres)

Location & Zoning

Street Address20112 FOREST AVE
CityCASTRO VALLEY
StateCA
Zip94546-4521
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00008 BLK: AR: 084C PAGE: 0707
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group1
Census Block1000
Census Tract430800

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 Record2 Individual Names on Record
Mailing Address20112 FOREST AVE, CASTRO VALLEY, CA 94546-4521
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
Unified School DistrictCastro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$270,545 (+2%) Land $81,163 Building $189,382
2025$3,999.00 (+4.66%)$265,241 (+4.04%) Land $79,572 Building $185,669
2023$3,821.00$254,942 Land $76,482 Building $178,460$881,010

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

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

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

Wildfire RiskLow
lower than 93% of the US · lower than 96% of California
Wildfire LikelihoodUnder 0.01% 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 704 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
AT&T
Fiber · DSL · Fixed Wireless in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
Starlink
Satellite
280 / 30
Etheric Networks
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: GeoLinks.

Nearby Properties on Forest Ave

Nearby Streets

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