18566 Greenridge Ct, Castro Valley, CA 94552 Property Records

Alameda County property record for 18566 Greenridge Ct, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	4 bd · 25 ba · 2,119 sqft · built 1976
Lot Size	0.237 acres (10,330 sqft)
Owner	Trust Name on File
Last Sale	$578,000 (Apr 2002)
Tax Bill	$10,944 (2025)
Deeds & Mortgages	Sep 2021 Transfer Sep 2021 Mortgage + 5 more
Flood Zone	Zone X (minimal risk)
APN	`85-1613-18`

Property Details

APN / Parcel Number

Primary APN	`85-1613-18`
Alternative APN	`085-1613-018-00`

Interior

Bedrooms	4 Beds
Full Baths	25 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,119 sqft Living Area

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1977
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	10,330 sqft (0.237 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	18566 GREENRIDGE CT
City	CASTRO VALLEY
State	CA
Zip	94552-1845
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00015 BLK: TR: 3611
Legal Tract	3611
Legal Lot Number	15
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1009
Census Tract	430102

Owner

18566 Greenridge Ct is held in a trust since August 2021.

Source: Alameda County records, as of August 5, 2026

Owner of Record	Trust Name on File
Mailing Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Sep 24, 2021	Intrafamily Transfer, Transfer ACCOMODATION, ACCOMMODATION
Sep 24, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage OPTIMUM FIRST INC
Nov 5, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage OPTIMUM FIRST INC
Nov 5, 2020	Quit Claim Deed, Transfer WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO
Jan 2, 2020	Correction Deed, Transfer AMROCK INC
Jan 2, 2020	Quit Claim Deed, Transfer QUICKEN LNS
Jan 2, 2020	Quit Claim Deed, Transfer AMROCK INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 30, 2002 · Amount on File
Deed Sale	Apr 30, 2002 · Amount on File
Deed Document Number	2002191987
Last Transfer Date	Aug 16, 2021
Transfer Doc	0000320288
Record Updated	Sep 20, 2026

September 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Sep 24, 2021
Property Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000320290
Map Reference	MB 92 PG 1-3
Instrument Date	Aug 16, 2021
Instrument	2021320290
Transaction Type	Transfer
Record Updated	Sep 28, 2023
Title Company	ACCOMODATION, ACCOMMODATION

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845

September 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Sep 24, 2021
Property Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000320288
Map Reference	MB 92 PG 1-3
Instrument Date	Aug 16, 2021
Instrument	2021320288
Transaction Type	Transfer
Record Updated	Sep 28, 2023
Title Company	WFG TITLE COMPANY/CA, WFG TITLE COMPANY OF CA

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845

Mortgage

Document Number	0000320289
Date	Sep 24, 2021
Instrument	2021320289

Lender

Name	OPTIMUM FIRST INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2051

November 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Nov 5, 2020
Property Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000298308
Map Reference	MB 92 PG 1-3
Instrument Date	Oct 19, 2020
Instrument	2020298308
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	WFG TITLE COMPANY OF CA

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845

Mortgage

Document Number	0000298309
Date	Nov 5, 2020
Instrument	2020298309

Lender

Name	OPTIMUM FIRST INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2050

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Nov 5, 2020
Property Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000298310
Instrument Date	Oct 19, 2020
Instrument	298310
Transaction Type	Transfer
Record Updated	Jan 25, 2021
Title Company	WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	18566 GREENRIDGE CT CASTRO VALLEY CA 945521845, CASTRO VALLEY, CA 94552-1845

January 2020: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 2, 2020
Property Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000000231
Instrument Date	Dec 23, 2019
Instrument	231
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	AMROCK INC

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	18566 GREENRIDGE CT CASTRO VALLEY CA 945521845, CASTRO VALLEY, CA 94552-1845

January 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 2, 2020
Property Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000000228
Instrument Date	Dec 23, 2019
Instrument	228
Transaction Type	Transfer
Record Updated	Feb 24, 2020
Title Company	AMROCK INC

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	18566 GREENRIDGE CT CASTRO VALLEY CA 945521845, CASTRO VALLEY, CA 94552-1845

Mortgage

Document Number	229
Date	Jan 2, 2020
Instrument	229

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Amount	Amount on Record
Term	360 Months
Due	Jan 1, 2050

January 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 2, 2020
Property Address	18566 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000000230
Instrument Date	Dec 23, 2019
Instrument	230
Transaction Type	Transfer
Record Updated	Feb 24, 2020
Title Company	AMROCK INC

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	18566 GREENRIDGE CT CASTRO VALLEY CA 945521845, CASTRO VALLEY, CA 94552-1845

Tax Assessment & Valuation

The 2025 property tax bill for 18566 Greenridge Ct was $10,944.

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$870,895 (+2%) Land $261,268 Building $609,627
2025	$10,944.00	$853,821 Land $256,146 Building $597,675
2023	$10,537.00	$820,672 Land $246,201 Building $574,471	$1,275,480

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

Flood

FEMA maps place 18566 Greenridge Ct in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Wildfire risk around 18566 Greenridge Ct is high, ranking above 71% of the US, with a 0.3% annual chance of wildfire.

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

Wildfire Risk	High above 71% of the US · above 46% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 389 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: Unwired.

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