4272 Mabel Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 4272 Mabel Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,554 sqft · built 1950
Lot Size	0.231 acres (10,050 sqft)
Owner	Trust Name on File
Last Sale	$1,400,000 (Mar 2022)
Tax Bill	$16,244 (2025)
Deeds & Mortgages	Dec 2022 Transfer Dec 2022 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`84C-755-22`

Property Details

APN / Parcel Number

Primary APN	`84C-755-22`
Alternative APN	`084C-0755-022-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,554 sqft Living Area

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1960
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	10,050 sqft (0.231 acres)

Location & Zoning

Street Address	4272 MABEL AVE
City	CASTRO VALLEY
State	CA
Zip	94546-3547
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00022 BLK: 0001 TR: 1012
Legal Subdivision	TRACTS 1012
Legal Tract	1012
Legal Block	1
Legal Lot Number	22
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1001
Census Tract	430800

Owner

4272 Mabel Ave is owner-occupied and held in a trust since November 2022.

Source: Alameda County records, as of August 5, 2026

Owner of Record	Trust Name on File
Mailing Address	4272 MABEL AVE, CASTRO VALLEY, CA 94546-3547
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Dec 21, 2022	Intrafamily Transfer, Transfer
Dec 21, 2022	Intrafamily Transfer, Transfer
Mar 1, 2022	Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY
Sep 24, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 1, 2022 · Amount on File
Deed Sale	Mar 1, 2022 · Amount on File
Deed Document Number	202244400
Last Transfer Date	Nov 14, 2022
Transfer Doc	0000200606
Record Updated	Sep 20, 2026

December 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Dec 21, 2022
Property Address	4272 MABEL AVE, CASTRO VALLEY, CA 94546-3547
Document Number	0000200607
Map Reference	MB 30 PG 69
Instrument Date	Nov 14, 2022
Instrument	2022200607
Transaction Type	Transfer
Record Updated	Jun 7, 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	4272 MABEL AVE, CASTRO VALLEY, CA 94546-3547

December 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Dec 21, 2022
Property Address	4272 MABEL AVE, CASTRO VALLEY, CA 94546-3547
Document Number	0000200606
Map Reference	MB 30 PG 69
Instrument Date	Nov 14, 2022
Instrument	2022200606
Transaction Type	Transfer
Record Updated	Jan 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
Address	4272 MABEL AVE, CASTRO VALLEY, CA 94546-3547

March 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Mar 1, 2022
Property Address	4272 MABEL AVE, CASTRO VALLEY, CA 94546-3547
Document Number	0000044400
Map Reference	MB 30 PG 69
Instrument Date	Feb 27, 2022
Instrument	2022044400
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
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	Family Trust
Address	4272 MABEL AVE, CASTRO VALLEY, CA 94546-3547

September 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 24, 2019
Property Address	4272 MABEL AVE, CASTRO VALLEY, CA 94546-3547
Document Number	0000190914
Instrument Date	Sep 5, 2019
Instrument	190914
Transaction Type	Transfer
Record Updated	Oct 21, 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	4272 MABEL AVE CASTRO VALLEY CA 945463547, CASTRO VALLEY, CA 94546-3547
Investor	Possibly a Property Investor

Tax Assessment & Valuation

The 2025 property tax bill for 4272 Mabel Ave was $16,244 with a homeowner's exemption.

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		$1,250,000 (-4.58%) Land $377,100 Building $879,900
2025	$16,244.00 Homeowner's exemption	$1,310,000 Land $393,000 Building $917,000
2023	$16,002.00 Homeowner's exemption	$1,288,000 Land $386,400 Building $901,600	$1,370,700

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

Flood

FEMA maps place 4272 Mabel Ave in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
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 4272 Mabel Ave is low, with a 0.01% annual chance of 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 704 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
Starlink Satellite	280 / 30
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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