5854 Greenridge Rd, Castro Valley, CA 94552 Property Records

Alameda County property record for 5854 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	0.177 acres (7,700 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,400,000 (Oct 2022)
Tax Bill	$17,974 (2025)
Deeds & Mortgages	Oct 2022 Sale
Flood Zone	Zone X (minimal risk)
APN	`85-1604-6`

Property Details

APN / Parcel Number

Primary APN	`85-1604-6`
Alternative APN	`085-1604-006-00`

Interior

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

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1962
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	7,700 sqft (0.177 acres)

Location & Zoning

Street Address	5854 GREENRIDGE RD
City	CASTRO VALLEY
State	CA
Zip	94552-1816
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00006 BLK: 0002 TR: 2084
Legal Subdivision	TRACT 2084 FILED APRIL 7 1960
Legal Tract	2084
Legal Block	2
Legal Lot Number	6
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1010
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	5854 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1816
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 28, 2022 · Amount on Record
Deed Sale	Oct 28, 2022 · Amount on Record
Deed Document Number	2022178229
Prior Transfer Date	Oct 21, 2022
Prior Transfer Doc	0000178228
Record Updated	Sep 20, 2026

October 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Oct 28, 2022
Property Address	5854 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1816
Document Number	0000178229
Map Reference	MB 41 PG 88
Instrument Date	Oct 26, 2022
Instrument	2022178229
Transaction Type	Transfer
Record Updated	Nov 22, 2022
Title Company	PLACER TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$1,540.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	1396 PIERCE AVE, SAN LEANDRO, CA 94577-2456

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		$1,478,680 (+1.52%) Land $477,540 Building $1,008,140
2025	$17,974.00 (+12.32%) Homeowner's exemption	$1,456,560 (+13.09%) Land $468,180 Building $988,380
2023	$16,002.00 Homeowner's exemption	$1,288,000 Land $386,400 Building $901,600	$1,236,870

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 63% of the US · lower than 61% 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 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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