18541 Agate Ct, Castro Valley, CA 94546 Property Records

Alameda County property record for 18541 Agate Ct, Castro Valley, CA 94546 · Last verified August 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,088 sqft · built 1990
Lot Size	0.144 acres (6,276 sqft)
Owner	2 Individual Names on File
Last Sale	$1,348,000 (Aug 2021)
Tax Bill	$17,666 (2025)
Deeds & Mortgages	Aug 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`84D-1211-30-2`

Property Details

APN / Parcel Number

Primary APN	`84D-1211-30-2`
Alternative APN	`084D-1211-030-02`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,088 sqft Living Area

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,276 sqft (0.144 acres)

Location & Zoning

Street Address	18541 AGATE CT
City	CASTRO VALLEY
State	CA
Zip	94546-2266
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00001 BLK: PM: 0182 PAGE: 0089
Legal Subdivision	PARCEL MAP 5392
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2007
Census Tract	430300

Owner

Source: Alameda County records · APN 84D-1211-30-2

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	2 Individual Names on File
Mailing Address	18541 AGATE CT, CASTRO VALLEY, CA 94546-2266
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 26, 2021 · Amount on Record
Deed Sale	Aug 26, 2021 · Amount on Record
Deed Document Number	2021290574
Record Updated	Sep 20, 2026

August 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Aug 26, 2021
Property Address	18541 AGATE CT, CASTRO VALLEY, CA 94546-2266
Document Number	0000290574
Map Reference	MB 182 PG 89&90
Instrument Date	Aug 20, 2021
Instrument	2021290574
Transaction Type	Transfer
Record Updated	Sep 15, 2021
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$1,482.80
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	18541 AGATE CT, CASTRO VALLEY, CA 94546-2266

Mortgage

Document Number	0000290575
Date	Aug 26, 2021
Instrument	2021290575

Lender

Name	PNC BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 01, 2051

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		$1,452,101 (+1.51%) Land $437,730 Building $1,021,371
2025	$17,666.00 (+3.71%) Homeowner's exemption	$1,430,497 (+4.04%) Land $429,149 Building $1,001,348
2023	$17,034.00 Homeowner's exemption	$1,374,960 Land $412,488 Building $962,472	$1,284,480

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 060014303002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

Wildfire

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

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 938 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Sonic Telecom	Fiber	10,000 / 10,000
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Etheric Communications, LLC.	Fixed Wireless (licensed-by-rule)	250 / 100

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