5305 Greenridge Rd, Castro Valley, CA 94552 Property Records

Alameda County property record for 5305 Greenridge Rd, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,834 sqft · built 1960
Lot Size	0.457 acres (19,887 sqft)
Owner	2 Individual Names on Record
Last Sale	$769,000 (Aug 2013)
Tax Bill	$11,910 (2025)
Deeds & Mortgages	Oct 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`85-1602-28`

Property Details

APN / Parcel Number

Primary APN	`85-1602-28`
Alternative APN	`085-1602-028-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Building Area	1,834 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1961
Architectural Style	H-Shape
Exterior Material	Wood Shingle
Construction Type	Wood
Roof Material	Tar & Gravel
Lot Area	19,887 sqft (0.457 acres)

Utilities, Heating & Cooling

Heating System	Radiant
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	5305 GREENRIDGE RD
City	CASTRO VALLEY
State	CA
Zip	94552-2619
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	LOT: 0000A BLK: PM: 0133 PAGE: 0031
Legal Subdivision	PARCEL MAP NO 3021
Legal Lot Number	B
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1016
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	2 Individual Names on Record
Mailing Address	5305 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2619
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 28, 2013 · Amount on Record
Deed Sale	Aug 28, 2013 · Amount on Record
Deed Document Number	2013291749
Last Transfer Date	Oct 29, 2024
Transfer Doc	0000132829
Record Updated	Sep 20, 2026

October 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Oct 15, 2020
Property Address	5305 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2619
Document Number	0000273525
Map Reference	MB 133 PG 31
Instrument Date	Oct 13, 2020
Instrument	2020273525
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

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	5305 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2619

Mortgage

Document Number	0000273526
Date	Oct 15, 2020
Instrument	2020273526

Lender

Name	AMERICAN PACIFIC MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Nov 1, 2040

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		$954,495 (+2.01%) Land $288,448 Building $673,047
2025	$11,910.00 (+2.25%)	$935,647 (+3.27%) Land $282,794 Building $659,853
2024	$11,648.00 (+1.57%)
2023	$11,468.00 Homeowner's exemption	$906,050 Land $271,815 Building $634,235	$1,379,340

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.

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