5310 Greenridge Rd, Castro Valley, CA 94552 Property Records

Alameda County property record for 5310 Greenridge Rd, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,842 sqft · built 1960
Lot Size	0.624 acres (27,200 sqft)
Owner	Individual Name on Record
Last Sale	$543,000 (Aug 2011)
Tax Bill	$8,834 (2025)
Deeds & Mortgages	Dec 2021 Mortgage May 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`85-1601-20`

Property Details

APN / Parcel Number

Primary APN	`85-1601-20`
Alternative APN	`085-1601-020-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,842 sqft Living Area

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1961
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	27,200 sqft (0.624 acres)

Location & Zoning

Street Address	5310 GREENRIDGE RD
City	CASTRO VALLEY
State	CA
Zip	94552-2620
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00003 BLK: 0001 TR: 2084
Legal Tract	2084
Legal Block	1
Legal Lot Number	3
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1017
Census Tract	430102

Owner

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

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

Owner of Record	Individual Name on Record
Mailing Address	5310 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2620
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 21, 2021	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
May 11, 2021	· Conventional Mortgage QUICKEN LOANS LLC
Mar 2, 2019	Deed of Trust, Mortgage · Conventional Mortgage FIRST UNITED CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 11, 2011 · Amount on Record
Deed Sale	Aug 11, 2011 · Amount on Record
Prior Sale	Jul 3, 1996 · Amount on Record
Deed Document Number	2011230709
Last Transfer Date	Apr 29, 2021
Transfer Doc	0000180343
Record Updated	Oct 29, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	5310 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2620
Transaction Type	Mortgage
Record Updated	Jun 8, 2026
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5310 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2620
Investor	Possibly a Property Investor

Mortgage

Document Number	0000402581
Date	Dec 21, 2021
Instrument	2021402581

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2052

May 2021:

Jurisdiction	ALAMEDA CA
Recording Date	May 11, 2021
Property Address	5310 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2620
Document Number	0000180343
Map Reference	MB 41 PG 88&89
Instrument Date	Apr 29, 2021
Instrument	2021180343
Record Updated	May 30, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5310 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2620
Investor	Possibly a Property Investor

Mortgage

Document Number	0000180344
Date	May 11, 2021
Instrument	2021180344

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

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

March 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	5310 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2620
Document Number	0000041162
Instrument Date	Mar 2, 2019
Transaction Type	Mortgage
Record Updated	Mar 21, 2019
Title Company	SERVICELINK CRS

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	5310 GREENRIDGE RD CASTRO VALLEY CA 945522620, CASTRO VALLEY, CA 94552-2620

Mortgage

Document Number	0000041162
Date	Mar 6, 2019
Instrument	41162

Lender

Name	FIRST UNITED CU
Type	Credit Union
Address	PLEASANTON, CA 94588-2718

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	240 Months
Due	Mar 5, 2039

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		$688,637 (+0.97%) Land $208,691 Building $486,946
2025	$8,834.00 (+4%) Homeowner's exemption	$682,001 (+4.04%) Land $204,600 Building $477,401
2023	$8,494.00 Homeowner's exemption	$655,525 Land $196,657 Building $458,868	$1,440,270

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	Moderate above 52% of the US · lower than 69% of California
Wildfire Likelihood	0.1% 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 228 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, Etheric Networks, Unwired, Verizon.

Nearby Properties on Greenridge Rd

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures