3261 Keith Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 3261 Keith Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,861 sqft · built 1947
Lot Size	0.193 acres (8,400 sqft)
Owner	2 Company Names on File
Last Sale	$1,700,000 (May 2023)
Tax Bill	$21,739 (2025)
Deeds & Mortgages	May 2023 Sale & Mortgage Mar 2023 Construction Loan + 2 more
Flood Zone	Zone X (moderate risk)
APN	`84B-510-15`

Property Details

APN / Parcel Number

Primary APN	`84B-510-15`
Alternative APN	`084B-0510-015-00`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,861 sqft Living Area

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1974
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	8,400 sqft (0.193 acres)
Parking Spaces	4 Parking Spaces

Location & Zoning

Street Address	3261 KEITH AVE
City	CASTRO VALLEY
State	CA
Zip	94546-2925
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00015 BLK: AR: 084B PAGE: 0510
Legal Subdivision	JONES RANCH
Legal Lot Number	F
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4000
Census Tract	430600

Owner

3261 Keith Ave is owned by a company that acquired it in August 2024.

Source: Alameda County records, as of August 26, 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 Company Names on File
Mailing Address	3261 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Date	Document
May 24, 2023	Grant Deed, Transfer · Conventional Mortgage THE GOLDEN 1 CU
Mar 21, 2023	Deed of Trust, Mortgage · Construction Mortgage FREEMODEL INC
May 12, 2021	Deed of Trust, Mortgage · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP
Aug 14, 2018	Grant Deed, Transfer OPES ADVISORS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 24, 2023 · Amount on File
Deed Sale	May 24, 2023 · Amount on File
Prior Sale	Aug 14, 2018 · Amount on File
Deed Document Number	202359099
Last Transfer Date	Aug 9, 2024
Transfer Doc	0000097904
Record Updated	Oct 29, 2026

May 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	May 24, 2023
Property Address	3261 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Document Number	0000059099
Map Reference	MB 24 PG 11
Instrument Date	May 11, 2023
Instrument	2023059099
Transaction Type	Transfer
Record Updated	Jun 16, 2023
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,870.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	3261 KEITH AVE, CASTRO VALLEY, CA 94546-2925

Mortgage

Document Number	0000059101
Date	May 24, 2023
Instrument	2023059101

Lender

Name	THE GOLDEN 1 CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	5.87%
Type Change Date	Jun 1, 2030
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	10.8%
Index	Other
Max Rate	10.8%

Mortgage

Document Number	0000059102
Date	May 24, 2023
Instrument	2023059102

Lender

Name	THE PERMANENTE MEDICAL GROUP INC
Type	Non-Lending Institution
Address	OAKLAND, CA 94612

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount on Record

March 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	3261 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Transaction Type	Mortgage
Record Updated	Apr 17, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000032544
Date	Mar 21, 2023
Instrument	2023032544

Lender

Name	FREEMODEL INC
Type	Non-Lending Institution
Address	BURLINGAME, CA 94010

Agreement

Type	Construction Mortgage
Amount	Amount on Record

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	3261 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Transaction Type	Mortgage
Record Updated	May 31, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3261 KEITH AVE, CASTRO VALLEY, CA 94546-2925

Mortgage

Document Number	0000181372
Date	May 12, 2021
Instrument	2021181372

Lender

Name	AMERICAN PACIFIC MORTGAGE CORP
Type	Mortgage Company
Address	ROSEVILLE, CA 95661

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2051

August 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Aug 14, 2018
Property Address	3261 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Document Number	0000158707
Instrument Date	Aug 9, 2018
Instrument	158707
Transaction Type	Transfer
Record Updated	Aug 30, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,232.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	3261 KEITH AVE CASTRO VALLEY CA 945462925, CASTRO VALLEY, CA 94546-2925

Mortgage

Document Number	158708
Date	Aug 14, 2018
Instrument	158708

Lender

Name	OPES ADVISORS
Address	TROY, MI 48098

Agreement

Amount	Amount on Record
Term	360 Months
Due	Aug 13, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 3261 Keith Ave was $21,739.

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		$1,804,040 (+2%) Land $541,212 Building $1,262,828
2025	$21,739.00	$1,768,680 Land $530,604 Building $1,238,076
2023	$14,967.00 Homeowner's exemption	$1,200,851 Land $360,255 Building $840,596	$1,494,090

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

Flood

FEMA maps place 3261 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 3261 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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