18411 Walnut Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 18411 Walnut Rd, Castro Valley, CA 94546 · Last verified October 2025

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms3 Baths
Year BuiltBuilt 1959
Square Footage2,027 sqft Living Area
Lot Size10,800 sqft (0.247 acres)
OccupancyOwner Occupied
Last Sale$542,591 (2003)
Tax Bill$9,736.00 (2025)

Property Details

APN / Parcel Number

Primary APN84D-1158-6-4
Alternative APN
  • 084D-1158-006-04

Interior

Bedrooms3 Beds
Full Baths3 Baths
Partial Baths1 Partial Baths
Total Rooms6 Rooms
Building Area2,027 sqft Living Area
Stories1 Stories

Exterior

Year BuiltBuilt 1958
Effective Year BuiltEffective 1959
Architectural StyleOther Style
Construction TypeWood Construction
Lot Area10,800 sqft (0.247 acres)

Location & Zoning

Street Address18411 WALNUT RD
CityCASTRO VALLEY
StateCA
Zip94546-2141
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionSUBD:MAP OF CASTRO VALLEY ORCHARDS
Legal SubdivisionMAP OF CASTRO VALLEY ORCHARDS
JurisdictionALAMEDA CA
Minor Civil DivisionHAYWARD
Census Blockgroup1
Census Block1004
Census Tract430300

Owner

Source: Alameda County records · APN 84D-1158-6-4

Assessment roll updated July 1, 2025 · Last verified October 2025

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Owner Names on File
Mailing Address18411 WALNUT RD, CASTRO VALLEY, CA 94546-2141
OccupancyOwner Occupied

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJul 03, 2003 · Amount on Record
Deed SaleJul 03, 2003 · Amount on Record
Deed Doc Number2003389708
Record RefreshedJun 07, 2026

Tax Assessment & Valuation

Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2025$9,736.00 (+3.95%) Homeowner's exemption$758,481 (+4.04%) Land $227,615 Building $530,866
2023$9,366.00 Homeowner's exemption$729,032 Land $218,778 Building $510,254

Flood & Wildfire

18411 Walnut Rd is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Low risk).

Flood

Source: FEMA National Flood Hazard Layer · Alameda County (06001C), updated May 25, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesLow
20th percentile of exposed land nationally · 11th in California
Wildfire LikelihoodLow — about 1 in 3,030 per year
ExposureIndirect
within ember reach of burnable land · adjoins burnable vegetation

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

Nearby Properties on Walnut Rd

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