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18473 Walnut Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 18473 Walnut Rd, Castro Valley, CA 94546 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,834 sqft · built 1957
Lot Size0.297 acres (12,920 sqft)
Owner2 Individual Names on File
Tax Bill$1,926 (2025)
Deeds & MortgagesFeb 2021 Transfer
Feb 2021 Transfer
+ 2 more
Flood ZoneZone X (minimal risk)
APN84D-1158-6-14

Property Details

APN / Parcel Number

Primary APN84D-1158-6-14
Alternative APN
  • 084D-1158-006-14

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,834 sqft Living Area
1st Floor Area1,834 sqft

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 1960
Architectural StyleL-Shape
Construction TypeWood
Lot Area12,920 sqft (0.297 acres)

Location & Zoning

Street Address18473 WALNUT RD
CityCASTRO VALLEY
StateCA
Zip94546-2141
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00014 BLK: 0006 AR: 084D PAGE: 1158 ;LOT: 00015 BLK: 0006 AR: 084D PAGE: 1158
Legal SubdivisionCASTRO VLY ORCHARDS
Legal Lot Number13
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group1
Census Block1004
Census Tract430300

Owner

Source: Alameda County records · APN 84D-1158-6-14

Assessment roll updated August 5, 2026 · Last verified August 2026

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

Owner of Record2 Individual Names on File
Mailing Address18380 CRANMORE RD, KNIGHTS LANDING, CA 95645-9524
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants with Right of Survivorship

Deeds, Mortgages & Sale History

DateDocument
Feb 03, 2021Intrafamily Transfer, Transfer
Feb 03, 2021Intrafamily Transfer, Transfer
Feb 03, 2021Intrafamily Transfer, Transfer
Feb 03, 2021Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateJan 27, 2021
Transfer Doc0000047618
Record UpdatedSep 20, 2026

February 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionALAMEDA CA
Recording DateFeb 03, 2021
Property Address18473 WALNUT RD, CASTRO VALLEY, CA 94546-2141
Document Number0000047620
Map ReferenceMB 25 PG 72
Instrument DateJan 21, 2021
Instrument2021047620
Transaction TypeTransfer
Record UpdatedAug 19, 2021

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address18380 CRANMORE RD, KNIGHTS LANDING, CA 95645-9524

February 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionALAMEDA CA
Recording DateFeb 03, 2021
Property Address18473 WALNUT RD, CASTRO VALLEY, CA 94546-2141
Document Number0000047617
Map ReferenceMB 25 PG 72
Instrument DateJan 21, 2021
Instrument2021047617
Transaction TypeTransfer
Record UpdatedAug 19, 2021

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address18380 CRANMORE RD, KNIGHTS LANDING, CA 95645-9524

February 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionALAMEDA CA
Recording DateFeb 03, 2021
Property Address18473 WALNUT RD, CASTRO VALLEY, CA 94546-2141
Document Number0000047616
Map ReferenceMB 25 PG 72
Instrument DateDec 16, 2020
Instrument2021047616
Transaction TypeTransfer
Record UpdatedAug 19, 2021

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address18380 CRANMORE RD, KNIGHTS LANDING, CA 95645-9524

February 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionALAMEDA CA
Recording DateFeb 03, 2021
Property Address18473 WALNUT RD, CASTRO VALLEY, CA 94546-2141
Document Number0000047619
Map ReferenceMB 25 PG 72
Instrument DateDec 16, 2020
Instrument2021047619
Transaction TypeTransfer
Record UpdatedAug 19, 2021

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address18380 CRANMORE RD, KNIGHTS LANDING, CA 95645-9524

Tax Assessment & Valuation

Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed ValueAssessed Market Value
2026$91,501 (-5.25%) Land $36,289 Building $62,212
2025$1,926.00 (+6.17%) Homeowner's exemption$96,570 (+4.04%) Land $35,577 Building $60,993
2023$1,814.00 Homeowner's exemption$92,820 Land $34,196 Building $58,624$1,161,360

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014303001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies1 in force

Wildfire

Wildfire RiskLow
above 32% of the US · above 19% of California
Wildfire LikelihoodAbout 1 in 2,381 per year
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 606 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Sonic TelecomFiber10,000 / 10,000
XfinityCable2,000 / 250
T-Mobile USAFixed Wireless100 / 20
AT&TDSL100 / 20

May also be available at this address: Etheric Communications, LLC., AT&T, Verizon, Unwired, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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