5975 Castlebrook Dr, Castro Valley, CA 94552 Property Records

Alameda County property record for 5975 Castlebrook Dr, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,196 sqft · built 1986
Lot Size	0.178 acres (7,741 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,910,000 (Apr 2022)
Tax Bill	$19,784 (2025)
Deeds & Mortgages	Apr 2022 Sale & Mortgage Oct 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`85-6313-21`

Property Details

APN / Parcel Number

Primary APN	`85-6313-21`
Alternative APN	`085-6313-021-00`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,196 sqft Living Area

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	7,741 sqft (0.178 acres)

Location & Zoning

Street Address	5975 CASTLEBROOK DR
City	CASTRO VALLEY
State	CA
Zip	94552-1643
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00042 BLK: TR: 5053
Legal Subdivision	TRACT 5053
Legal Tract	5053
Legal Lot Number	42
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1008
Census Tract	430200

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	5975 CASTLEBROOK DR, CASTRO VALLEY, CA 94552-1643
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Apr 28, 2022	Grant Deed, Transfer · Conventional Mortgage THE GOLDEN 1 CU
Oct 1, 2020	Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC
Nov 20, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 28, 2022 · Amount on Record
Deed Sale	Apr 28, 2022 · Amount on Record
Prior Sale	Jun 25, 2010 · Amount on Record
Deed Document Number	202284295
Prior Transfer Date	Jun 9, 2020
Prior Transfer Doc	0000319575
Record Updated	Oct 29, 2026

April 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 28, 2022
Property Address	5975 CASTLEBROOK DR, CASTRO VALLEY, CA 94552-1643
Document Number	0000084295
Map Reference	MB 148 PG 5-10
Instrument Date	Apr 19, 2022
Instrument	2022084295
Transaction Type	Transfer
Record Updated	May 24, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,101.00
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	5975 CASTLEBROOK DR, CASTRO VALLEY, CA 94552-1643

Mortgage

Document Number	0000084296
Date	Apr 28, 2022
Instrument	2022084296

Lender

Name	THE GOLDEN 1 CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2052

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	5975 CASTLEBROOK DR, CASTRO VALLEY, CA 94552-1643
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5975 CASTLEBROOK DR, CASTRO VALLEY, CA 94552-1643

Mortgage

Document Number	0000254970
Date	Oct 1, 2020
Instrument	2020254970

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Oct 1, 2035

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Nov 20, 2020
Property Address	5975 CASTLEBROOK DR, CASTRO VALLEY, CA 94552-1643
Document Number	0000319575
Instrument Date	Jun 9, 2020
Instrument	319575
Transaction Type	Transfer
Record Updated	Feb 4, 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	Revocable Trust
Address	5975 CASTLEBROOK DR CASTRO VALLEY CA 945521643, CASTRO VALLEY, CA 94552-1643

Tax Assessment & Valuation

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		$1,643,000 (+2.05%) Land $495,000 Building $1,155,000
2025	$19,784.00 (-15.4%) Homeowner's exemption	$1,610,000 (-15.71%) Land $483,000 Building $1,127,000
2023	$23,385.00 Homeowner's exemption	$1,910,000 Land $573,000 Building $1,337,000	$1,735,830

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

Flood

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

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

Wildfire Risk	Moderate above 66% of the US · above 41% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Unwired.

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