18600 Alcorn Pl, Castro Valley, CA 94546 Property Records

Alameda County property record for 18600 Alcorn Pl, Castro Valley, CA 94546 · Last verified May 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	3 Baths
Year Built	Built 2009
Square Footage	2,574 sqft Living Area
Lot Size	9,783 sqft (0.225 acres)
Occupancy	Owner Occupied
Last Sale	$718,500 (2009)
Tax Bill	$11,470.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`84C-1070-18`
Alternative APN	`084C-1070-018-00`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Building Area	2,574 sqft Living Area
Stories	2 Stories

Exterior

Year Built	Built 2009
Effective Year Built	Effective 2009
Architectural Style	Custom Design Style
Construction Type	Wood Construction
Lot Area	9,783 sqft (0.225 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	18600 ALCORN PL
City	CASTRO VALLEY
State	CA
Zip	94546-3109
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT: 00016 BLK: TR: 7305
Legal Subdivision	TR 7305
Legal Tract	7305
Legal Lot Number	16
Jurisdiction	ALAMEDA CA
Minor Civil Division	HAYWARD
Census Blockgroup	4
Census Block	4005
Census Tract	430200

Owner

Source: Alameda County records · APN 84C-1070-18

Assessment roll updated June 20, 2025 · Last verified May 2026

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

Owner of Record	2 Company Names on File
Mailing Address	18600 ALCORN PL, CASTRO VALLEY, CA 94546-3109
Occupancy	Owner Occupied
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 13, 2009 · Amount on Record
Deed Sale	Aug 13, 2009 · Amount on Record
Deed Doc Number	2009268173
Last Transfer Date	Mar 23, 2026
Transfer Doc	0000037951
Record Refreshed	Sep 20, 2026

March 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Mar 24, 2026
Property Address	18600 ALCORN PL, CASTRO VALLEY, CA 94546-3109
Document Number	0000037951
Map Reference	MB 301 PG 96-98
Instrument Date	Mar 23, 2026
Instrument	2026037951
Transaction Type	Transfer
Record Updated	May 01, 2026

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18600 ALCORN PL, CASTRO VALLEY, CA 94546-3109

Tax Assessment & Valuation

Source: Alameda County records · Assessment roll updated June 20, 2025 · Last verified May 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
2025	$11,728.00 (+2.25%) Homeowner's exemption	$920,260 (+3.25%) Land $278,152 Building $649,108
2024	$11,470.00 (+1.58%)
2023	$11,292.00 Homeowner's exemption	$891,260 Land $267,353 Building $623,907	$1,377,720

Flood & Wildfire

18600 Alcorn Pl is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

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	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach of burnable land

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