4292 Gem Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 4292 Gem Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,648 sqft · built 1947
Lot Size	0.137 acres (5,985 sqft)
Owner	Company Name on Record
Last Sale	$800,000 (Apr 2019)
Tax Bill	$11,399 (2025)
Deeds & Mortgages	Oct 2019 Transfer Apr 2019 Sale & Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`84C-669-22`

Property Details

APN / Parcel Number

Primary APN	`84C-669-22`
Alternative APN	`084C-0669-022-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,648 sqft Living Area

Exterior

Year Built	Built 1947
Architectural Style	Other
Construction Type	Wood
Lot Area	5,985 sqft (0.137 acres)

Location & Zoning

Street Address	4292 GEM AVE
City	CASTRO VALLEY
State	CA
Zip	94546-4617
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	807
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4000
Census Tract	430800

Owner

Source: Alameda County records, as of October 20, 2025

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	500 WESTOVER DR, SANFORD, NC 27330-8941
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 14, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY
Apr 3, 2019	Grant Deed, Transfer · Conventional Mortgage UIF CORP
Apr 3, 2019	Quit Claim Deed, Transfer UIF CORP
Dec 29, 2017	Intrafamily Transfer, Transfer · ARM IMPAC MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 3, 2019 · Amount on Record
Deed Sale	Apr 3, 2019 · Amount on Record
Prior Sale	Apr 3, 2019 · Amount on Record
Deed Document Number	0000059260
Last Transfer Date	Oct 14, 2019
Transfer Doc	0000208067
Record Updated	Jun 8, 2026

October 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Oct 14, 2019
Property Address	4292 GEM AVE, CASTRO VALLEY, CA 94546-4617
Document Number	0000208067
Instrument Date	Sep 4, 2019
Instrument	208067
Transaction Type	Transfer
Record Updated	Nov 4, 2019
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	4292 GEM AVE CASTRO VALLEY CA 945464617, CASTRO VALLEY, CA 94546-4617

April 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 3, 2019
Property Address	4292 GEM AVE, CASTRO VALLEY, CA 94546-4617
Document Number	0000059260
Instrument Date	Mar 29, 2019
Instrument	59260
Transaction Type	Transfer
Record Updated	May 29, 2020
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$880.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	29777 TELEGRAPH RD #3590 SOUTHFIELD MI 480341303, 3590, SOUTHFIELD, MI 48034-1303

Mortgage

Document Number	59262
Date	Apr 3, 2019
Instrument	59262

Lender

Name	UIF CORP
Address	SOUTHFIELD, MI 48034

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 2, 2049

April 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 3, 2019
Property Address	4292 GEM AVE, CASTRO VALLEY, CA 94546-4617
Document Number	0000059261
Instrument Date	Feb 4, 2019
Instrument	59261
Transaction Type	Transfer
Record Updated	May 29, 2020
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	29777 TELEGRAPH RD #3590 SOUTHFIELD MI 480341303, 3590, SOUTHFIELD, MI 48034-1303

Mortgage

Document Number	59262
Date	Apr 3, 2019
Instrument	59262

Lender

Name	UIF CORP
Address	SOUTHFIELD, MI 48034
Special Notes	Seller Financed

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Apr 2, 2049

December 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Dec 29, 2017
Property Address	4292 GEM AVE, CASTRO VALLEY, CA 94546-4617
Document Number	0000287654
Map Reference	MB 19 PG 94&95
Instrument Date	Dec 28, 2017
Instrument	2017287654
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	WESTMINSTER TITLE COMPANY IN

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4292 GEM AVE, CASTRO VALLEY, CA 94546-4617

Mortgage

Document Number	0000287655
Date	Dec 29, 2017
Instrument	2017287655

Lender

Name	IMPAC MORTGAGE
Type	Mortgage Company

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2048

Interest

Rate Type	Adjustable Rate
Type Change Date	Jan 1, 2023
Change Frequency	Annually
Min Rate At Change	6.87%
Max Rate At Change	11.8%
Index	1-Year LIBOR
Max Rate	11.8%

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of July 1, 2025

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
2025	$11,399.00 (+3.84%)	$892,400 (+4.04%) Land $267,720 Building $624,680
2023	$10,977.00	$857,751 Land $257,325 Building $600,426

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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 777 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL · Fixed Wireless 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: GeoLinks.

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