5737 Greenridge Rd, Castro Valley, CA 94552 Property Records

Alameda County property record for 5737 Greenridge Rd, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,834 sqft · built 1960
Lot Size	0.328 acres (14,280 sqft)
Owner	Trust Name on File
Tax Bill	$2,100 (2025)
Deeds & Mortgages	Jan 2021 Transfer Jan 2021 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`85-1604-18`

Property Details

APN / Parcel Number

Primary APN	`85-1604-18`
Alternative APN	`085-1604-018-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,834 sqft Living Area

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1961
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	14,280 sqft (0.328 acres)

Location & Zoning

Street Address	5737 GREENRIDGE RD
City	CASTRO VALLEY
State	CA
Zip	94552-1813
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00022 BLK: 0004 TR: 2084
Legal Subdivision	TRACT 2084
Legal Tract	2084
Legal Lot Number	22
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1016
Census Tract	430102

Owner

5737 Greenridge Rd is owner-occupied and held in a trust.

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	Trust Name on File
Mailing Address	1000 MASON ST, 5, SAN FRANCISCO, CA 94108-1919
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 15, 2021	Quit Claim Deed, Transfer ATTORNEY ONLY
Jan 15, 2021	Quit Claim Deed, Transfer ATTORNEY ONLY
Jan 15, 2021	Quit Claim Deed, Transfer ATTORNEY ONLY
Jan 15, 2021	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Record Updated	Sep 20, 2026

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 15, 2021
Property Address	5737 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1813
Document Number	0000018925
Instrument Date	Dec 29, 2020
Instrument	18925
Transaction Type	Transfer
Record Updated	Mar 22, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	850 POWELL ST #200 SAN FRANCISCO CA 941082036, 200, SAN FRANCISCO, CA 94108-2036

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 15, 2021
Property Address	5737 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1813
Document Number	0000018924
Instrument Date	Dec 29, 2020
Instrument	18924
Transaction Type	Transfer
Record Updated	Mar 22, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	850 POWELL ST #200 SAN FRANCISCO CA 941082036, 200, SAN FRANCISCO, CA 94108-2036

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 15, 2021
Property Address	5737 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1813
Document Number	0000018923
Instrument Date	Dec 29, 2020
Instrument	18923
Transaction Type	Transfer
Record Updated	Mar 22, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	850 POWELL ST #200 SAN FRANCISCO CA 941082036, 200, SAN FRANCISCO, CA 94108-2036

January 2021: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	Jan 15, 2021
Property Address	5737 GREENRIDGE RD, CASTRO VALLEY, CA 94552-1813
Document Number	0000018922
Instrument Date	Dec 29, 2020
Instrument	18922
Transaction Type	Transfer
Record Updated	Mar 22, 2021
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	5737 GREENRIDGE RD CASTRO VALLEY CA 945521813, CASTRO VALLEY, CA 94552-1813

Tax Assessment & Valuation

The 2025 property tax bill for 5737 Greenridge Rd was $2,100 with a homeowner's exemption, up 3% from the year before.

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		$106,543 (+2.13%) Land $31,760 Building $81,783
2025	$2,100.00 (+3.04%) Homeowner's exemption	$104,317 Land $31,137 Building $80,180
2024	$2,038.00 (+2.83%)
2023	$1,982.00 Homeowner's exemption	$106,994 Land $29,928 Building $77,066	$1,500,660

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 5737 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 5737 Greenridge Rd is moderate, ranking above 63% 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 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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