5455 Greenridge Rd, Castro Valley, CA 94552 Property Records

Alameda County property record for 5455 Greenridge Rd, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,781 sqft · built 1960
Lot Size	0.439 acres (19,110 sqft)
Owner	2 Individual Names on File
Last Sale	$2,000,000 (Jul 2022)
Tax Bill	$4,942 (2025)
Deeds & Mortgages	Jul 2022 Sale May 2021 Reverse Mortgage
Flood Zone	Zone X (minimal risk)
APN	`85-1603-19`

Property Details

APN / Parcel Number

Primary APN	`85-1603-19`
Alternative APN	`085-1603-019-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,781 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1961
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	19,110 sqft (0.439 acres)

Utilities, Heating & Cooling

Heating System	Radiant

Location & Zoning

Street Address	5455 GREENRIDGE RD
City	CASTRO VALLEY
State	CA
Zip	94552-2621
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00019 BLK: 0003 TR: 2084
Legal Subdivision	TRACT 2084 FILED APRIL 7 1960
Legal Tract	2084
Legal Block	3
Legal Lot Number	19
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1016
Census Tract	430102

Owner

5455 Greenridge Rd is owned and occupied by two individuals who bought it in July 2022.

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

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

Owner of Record	2 Individual Names on File
Mailing Address	5455 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2621
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 18, 2022	Grant Deed, Transfer CHICAGO TITLE COMPANY
May 6, 2021	Deed of Trust, Mortgage · Reverse Mortgage SYNERGY ONE LENDING

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 18, 2022 · Amount on File
Deed Sale	Jul 18, 2022 · Amount on File
Deed Document Number	2022129011
Prior Transfer Date	Nov 16, 2007
Prior Transfer Doc	0000403851
Record Updated	Sep 20, 2026

July 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jul 18, 2022
Property Address	5455 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2621
Document Number	0000129011
Map Reference	MB 41 PG 88
Instrument Date	Jul 13, 2022
Instrument	2022129011
Transaction Type	Transfer
Record Updated	Aug 10, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$2,200.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	5455 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2621

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	5455 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2621
Transaction Type	Mortgage
Record Updated	Jan 17, 2022
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5455 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2621

Mortgage

Document Number	0000175997
Date	May 6, 2021
Instrument	2021175997

Lender

Name	SYNERGY ONE LENDING
Type	Mortgage Company
Address	SAN DIEGO, CA 92108

Agreement

Type	Reverse Mortgage
Amount	Amount on Record

Interest

Rate Type	Fixed Rate

Tax Assessment & Valuation

The 2025 property tax bill for 5455 Greenridge Rd was $4,942 with a homeowner's exemption.

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		$352,196 (+0.01%) Land $127,961 Building $231,235
2025	$4,942.00 Homeowner's exemption	$352,154 Land $125,452 Building $226,702
2023	$4,730.00 Homeowner's exemption	$338,482 Land $120,582 Building $217,900	$1,753,650

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 5455 Greenridge Rd 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 5455 Greenridge Rd is moderate, ranking above 58% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire Risk	Moderate above 58% of the US · lower than 65% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Direct burnable vegetation

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 252 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
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks, Unwired.

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