3253 Keith Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 3253 Keith Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.5 ba · 2,728 sqft · built 1947
Lot Size	0.193 acres (8,400 sqft)
Owner	2 Individual Names on File
Last Sale	$6,500 (Jun 2021)
Tax Bill	$16,436 (2025)
Deeds & Mortgages	Jun 2021 Mortgage Mar 2021 Mortgage + 1 more
Flood Zone	Zone X (moderate risk)
APN	`84B-510-14`

Property Details

APN / Parcel Number

Primary APN	`84B-510-14`
Alternative APN	`084B-0510-014-00`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	14 Rooms
Stories	1 Story
Building Area	2,728 sqft Living Area

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1977
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	8,400 sqft (0.193 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	3253 KEITH AVE
City	CASTRO VALLEY
State	CA
Zip	94546-2925
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00014 BLK: AR: 084B PAGE: 0510
Legal Subdivision	AS JONES RANCH
Legal Lot Number	F
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4000
Census Tract	430600

Owner

3253 Keith Ave is owned and occupied by two individuals who bought it in June 2021.

Source: Alameda County records, as of September 28, 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	2 Individual Names on File
Mailing Address	3253 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 17, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage GOOGAIN INC
Mar 24, 2021	Quit Claim Deed, Transfer · Commercial Mortgage PC HOLDING
Mar 24, 2021	Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 17, 2021 · Amount on File
Deed Sale	Jun 17, 2021 · Amount on File
Prior Sale	Mar 24, 2021 · Amount on File
Deed Document Number	2021219360
Prior Transfer Date	May 11, 2021
Prior Transfer Doc	0000219360
Record Updated	Oct 29, 2026

June 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jun 17, 2021
Property Address	3253 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Document Number	0000219360
Map Reference	MB 24 PG 11
Instrument Date	May 11, 2021
Instrument	2021219360
Transaction Type	Transfer
Record Updated	Jul 7, 2021
Title Company	ACCOMODATION, ACCOMMODATION

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	Tenants in Common
Address	3253 KEITH AVE, CASTRO VALLEY, CA 94546-2925

Mortgage

Document Number	0000219361
Date	Jun 17, 2021
Instrument	2021219361

Lender

Name	GOOGAIN INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 1, 2051

March 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Mar 24, 2021
Property Address	3253 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Document Number	0000118338
Map Reference	MB 24 PG 11
Instrument Date	Mar 18, 2021
Instrument	2021118338
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3253 KEITH AVE, CASTRO VALLEY, CA 94546-2925

Mortgage

Document Number	0000118339
Date	Mar 24, 2021
Instrument	2021118339

Lender

Name	PC HOLDING
Type	Non-Lending Institution

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

March 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Mar 24, 2021
Property Address	3253 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Document Number	0000118337
Map Reference	MB 24 PG 11
Instrument Date	Mar 18, 2021
Instrument	2021118337
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$973.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	3253 KEITH AVE, CASTRO VALLEY, CA 94546-2925

Tax Assessment & Valuation

The 2025 property tax bill for 3253 Keith Ave was $16,436 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		$1,275,360 (+1.44%) Land $385,537 Building $896,823
2025	$16,436.00 Homeowner's exemption	$1,257,225 Land $377,981 Building $879,244
2023	$12,157.00 Homeowner's exemption	$920,753 Land $363,307 Building $557,446	$928,080

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

Flood

FEMA maps place 3253 Keith Ave in Zone X, an area of moderate flood risk.

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
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

Wildfire risk around 3253 Keith 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 769 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
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Unwired, Verizon.

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