17747 Walnut Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 17747 Walnut Rd, Castro Valley, CA 94546 · Last verified August 2026

Property Highlights

Property Type	Residential > Single Family > Home
Year Built	Built 1952
Square Footage	2,254 sqft Living Area
Lot Size	8,948 sqft (0.205 acres)
Occupancy	Owner Occupied
Tax Bill	$2,103.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`84D-1160-18`
Alternative APN	`084D-1160-018-00`

Interior

Building Area	2,254 sqft Living Area

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1952
Construction Type	Wood Construction
Lot Area	8,948 sqft (0.205 acres)

Location & Zoning

Street Address	17747 WALNUT RD
City	CASTRO VALLEY
State	CA
Zip	94546-1332
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT: 00018 BLK: AR: 084D PAGE: 1160
Legal Subdivision	CASTRO VLY
Legal Lot Number	A
Jurisdiction	ALAMEDA CA
Minor Civil Division	HAYWARD
Census Blockgroup	1
Census Block	1007
Census Tract	430300

Owner

Source: Alameda County records · APN 84D-1160-18

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 Record	Company Name on File
Mailing Address	4629 ARABIAN WAY, ANTIOCH, CA 94531-8132
Occupancy	Owner Occupied
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Sep 27, 2016
Transfer Doc	0000271783
Record Refreshed	Sep 20, 2026

June 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	Jun 08, 2017
Property Address	17747 WALNUT RD, CASTRO VALLEY, CA 94546-1332
Document Number	0000125141
Instrument Date	May 19, 2017
Instrument	125141
Transaction Type	Transfer
Record Updated	Jul 05, 2017
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4629 ARABIAN WAY ANTIOCH CA 945318132, ANTIOCH, CA 94531-8132

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro 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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$106,786 (-4.28%) Land $56,018 Building $57,768
2025	$2,103.00 (+5.94%) Homeowner's exemption	$111,556 (+4.04%) Land $54,920 Building $56,636
2023	$1,985.00 Homeowner's exemption	$107,224 Land $52,787 Building $54,437	$1,305,450

Flood & Wildfire

17747 Walnut Rd is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Moderate risk).

Flood

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

FEMA Flood Zone	Zone X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No

Wildfire

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

Wildfire Risk to Homes	Moderate 47th percentile of exposed land nationally · 28th in California
Wildfire Likelihood	Moderate — about 1 in 1,075 per year
Exposure	Indirect within ember reach of burnable land · adjoins burnable vegetation

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