18540 Greenridge Ct, Castro Valley, CA 94552 Property Records

Alameda County property record for 18540 Greenridge Ct, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 2,741 sqft · built 1976
Lot Size	0.292 acres (12,733 sqft)
Owner	Company Name on Record
Last Sale	$577,000 (Dec 2013)
Tax Bill	$13,385 (2025)
Deeds & Mortgages	Dec 2025 Second Mortgage Sep 2023 Second Mortgage + 7 more
Flood Zone	Zone X (minimal risk)
APN	`85-1613-21`

Property Details

APN / Parcel Number

Primary APN	`85-1613-21`
Alternative APN	`085-1613-021-00`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Total Rooms	10 Rooms
Units	2 Units
Stories	1 Story
Building Area	2,741 sqft Living Area

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1977
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	12,733 sqft (0.292 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	18540 GREENRIDGE CT
City	CASTRO VALLEY
State	CA
Zip	94552-1845
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00012 BLK: TR: 3611
Legal Subdivision	TRACT 3611
Legal Tract	3611
Legal Lot Number	12
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1009
Census Tract	430102

Owner

Source: Alameda County records, as of September 28, 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 Record
Mailing Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Dec 22, 2025	Deed of Trust, Mortgage · Stand-Alone Second Mortgage FIRST TECHNOLOGY FEDERAL CU
Sep 13, 2023	Deed of Trust, Mortgage · Stand-Alone Second Mortgage FIRST UNITED CU
Jun 17, 2021	Deed of Trust, Mortgage · Line of Credit ALLIANT CU
Mar 4, 2021	Deed of Trust, Mortgage · Line of Credit ALLIANT CU
Dec 24, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Dec 17, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Feb 5, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
Oct 12, 2019	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Jul 19, 2017	Deed of Trust, Mortgage · Line of Credit PENTAGON FCU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 11, 2013 · Amount on Record
Deed Sale	Dec 11, 2013 · Amount on Record
Deed Document Number	2013380842
Last Transfer Date	Dec 10, 2020
Transfer Doc	0000354607
Record Updated	Oct 29, 2026

December 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Transaction Type	Mortgage
Record Updated	Jan 30, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845

Mortgage

Document Number	0000163432
Date	Dec 22, 2025
Instrument	2025163432

Lender

Name	FIRST TECHNOLOGY FEDERAL CU
Type	Credit Union
Address	2890 ZANKER RD STE 120, SAN JOSE, CA 95134

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	121 Months
Due	Jan 1, 2036

September 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Transaction Type	Mortgage
Record Updated	Oct 5, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18540 GREENRIDGE CT T, T, CASTRO VALLEY, CA 94552-1845

Mortgage

Document Number	0000104481
Date	Sep 13, 2023
Instrument	2023104481

Lender

Name	FIRST UNITED CU
Type	Credit Union
Address	VALLEJO, CA 94589

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	240 Months
Due	Sep 25, 2043

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Transaction Type	Mortgage
Record Updated	Sep 28, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845

Mortgage

Document Number	0000219923
Date	Jun 17, 2021
Instrument	2021219923

Lender

Name	ALLIANT CU
Type	Credit Union
Address	CHICAGO, IL 60666

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Transaction Type	Mortgage
Record Updated	Sep 28, 2023
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000089422
Date	Mar 4, 2021
Instrument	2021089422

Lender

Name	ALLIANT CU
Type	Credit Union
Address	CHICAGO, IL 60666

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	180 Months
Due	Mar 3, 2036

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Dec 24, 2020
Property Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000364968
Instrument Date	Dec 10, 2020
Instrument	364968
Transaction Type	Transfer
Record Updated	Mar 4, 2021
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	18540 GREENRIDGE CT CASTRO VALLEY CA 945521845, CASTRO VALLEY, CA 94552-1845

December 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Dec 17, 2020
Property Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000354607
Map Reference	MB 92 PG 1-3
Instrument Date	Dec 10, 2020
Instrument	2020354607
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	WFG NATIONAL TITLE INS CO

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	Community Property with Right of Survivorship
Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845

Mortgage

Document Number	0000354608
Date	Dec 17, 2020
Instrument	2020354608

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2051

February 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Feb 5, 2020
Property Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000025280
Instrument Date	Jan 31, 2020
Instrument	25280
Transaction Type	Transfer
Record Updated	Apr 9, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	18540 GREENRIDGE CT CASTRO VALLEY CA 945521845, CASTRO VALLEY, CA 94552-1845

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000213684
Instrument Date	Oct 12, 2019
Transaction Type	Mortgage
Record Updated	Nov 7, 2019
Title Company	WFG TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	18540 GREENRIDGE CT CASTRO VALLEY CA 945521845, CASTRO VALLEY, CA 94552-1845

Mortgage

Document Number	0000213684
Date	Oct 21, 2019
Instrument	213684

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Oct 20, 2049

July 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18540 GREENRIDGE CT, CASTRO VALLEY, CA 94552-1845
Document Number	0000168052
Instrument Date	Jul 19, 2017
Transaction Type	Mortgage
Record Updated	Aug 28, 2017
Title Company	AMERICAN TITLE COMPANY, AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	18540 GREENRIDGE CT CASTRO VALLEY CA 945521845, CASTRO VALLEY, CA 94552-1845

Mortgage

Document Number	0000168052
Date	Aug 1, 2017
Instrument	168052

Lender

Name	PENTAGON FCU
Type	Credit Union
Address	ALEXANDRIA, VA 22313-9862

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	180 Months
Due	Jul 31, 2032

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

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		$1,018,149 (+2.01%) Land $216,430 Building $808,719
2025	$13,385.00 (+2.7%) Homeowner's exemption	$998,054 (+13.82%) Land $212,187 Building $792,867
2024	$13,033.00 (+12.02%)
2023	$11,635.00 Homeowner's exemption	$876,832 Land $203,949 Building $672,883	$1,074,780

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

Flood

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

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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