5506 Greenridge Rd, Castro Valley, CA 94552 Property Records

Alameda County property record for 5506 Greenridge Rd, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,285 sqft · built 1960
Lot Size	0.329 acres (14,342 sqft)
Owner	Company Name on Record
Tax Bill	$2,643 (2025)
Deeds & Mortgages	Sep 2023 Transfer Aug 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`85-1603-26`

Property Details

APN / Parcel Number

Primary APN	`85-1603-26`
Alternative APN	`085-1603-026-00`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,285 sqft Living Area

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1961
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	14,342 sqft (0.329 acres)

Location & Zoning

Street Address	5506 GREENRIDGE RD
City	CASTRO VALLEY
State	CA
Zip	94552-2624
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00028 BLK: 0001 TR: 2084
Legal Subdivision	EL VALLE DE SAN JOSE RHO
Legal Tract	2084
Legal Block	1
Legal Lot Number	28
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	Company Name on Record
Mailing Address	5506 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2624
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 22, 2023	Intrafamily Transfer, Transfer
Aug 11, 2020	Deed of Trust, Mortgage FREMONT BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Sep 14, 2023
Transfer Doc	0000108792
Record Updated	Sep 20, 2026

September 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Sep 22, 2023
Property Address	5506 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2624
Document Number	0000108792
Map Reference	MB 41 PG 88&89
Instrument Date	Sep 14, 2023
Instrument	2023108792
Transaction Type	Transfer
Record Updated	Oct 17, 2023

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	Revocable Trust
Address	5506 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2624

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	5506 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2624
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5506 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2624

Mortgage

Document Number	0000194459
Date	Aug 11, 2020
Instrument	2020194459

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2050

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		$153,461 (-2.45%) Land $32,002 Building $128,459
2025	$2,643.00 (+5.42%) Homeowner's exemption	$157,315 (+4.04%) Land $31,375 Building $125,940
2023	$2,507.00 Homeowner's exemption	$151,207 Land $30,157 Building $121,050	$1,859,220

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 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.

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