5870 Greenridge Rd, Castro Valley, CA 94552 Property Records

Alameda County property record for 5870 Greenridge Rd, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	5 bd · 2 ba · 1,979 sqft · built 1963
Lot Size	0.165 acres (7,200 sqft)
Owner	Company Name on Record
Tax Bill	$6,050 (2025)
Deeds & Mortgages	Jan 2024 Transfer Jun 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`85-1605-44`

Property Details

APN / Parcel Number

Primary APN	`85-1605-44`
Alternative APN	`085-1605-044-00`

Interior

Bedrooms	5 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,979 sqft Living Area

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1970
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	7,200 sqft (0.165 acres)

Location & Zoning

Street Address	5870 GREENRIDGE RD
City	CASTRO VALLEY
State	CA
Zip	94552-1816
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00022 BLK: 000B TR: 2166
Legal Tract	2166
Legal Block	B
Legal Lot Number	22
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	Company Name on Record
Mailing Address	5870 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1816
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 19, 2024	Intrafamily Transfer, Transfer
Jun 30, 2017	Deed of Trust, Mortgage · Conventional Mortgage SIERRA PACIFIC MTG

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Nov 17, 2023
Transfer Doc	0000010897
Record Updated	Sep 20, 2026

January 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jan 19, 2024
Property Address	5870 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1816
Document Number	0000010897
Map Reference	MB 42 PG 46
Instrument Date	Nov 17, 2023
Instrument	2024010897
Transaction Type	Transfer
Record Updated	Mar 1, 2024

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	Irrevocable Trust
Address	5870 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1816

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	5870 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1816
Document Number	0000149493
Instrument Date	Jun 30, 2017
Transaction Type	Mortgage
Record Updated	Jul 31, 2017
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	5870 GREENRIDGE RD CASTRO VALLEY CA 945521816, CASTRO VALLEY, CA 94552-1816

Mortgage

Document Number	0000149493
Date	Jul 10, 2017
Instrument	149493

Lender

Name	SIERRA PACIFIC MTG
Type	Mortgage Company
Address	FOLSOM, CA 95630

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	120 Months
Due	Jul 9, 2027

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		$447,980 (+0.43%) Land $202,368 Building $252,612
2025	$6,050.00 (+4.29%) Homeowner's exemption	$446,059 (+4.04%) Land $198,400 Building $247,659
2023	$5,801.00 Homeowner's exemption	$428,740 Land $190,697 Building $238,043	$1,485,630

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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