6033 Castlebrook Dr, Castro Valley, CA 94552 Property Records

Alameda County property record for 6033 Castlebrook Dr, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,039 sqft · built 1986
Lot Size	0.138 acres (6,009 sqft)
Owner	Company Name on Record
Last Sale	$320,000 (Dec 1994)
Tax Bill	$7,129 (2025)
Flood Zone	Zone X (minimal risk)
APN	`85-6313-27`

Property Details

APN / Parcel Number

Primary APN	`85-6313-27`
Alternative APN	`085-6313-027-00`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,039 sqft Living Area

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,009 sqft (0.138 acres)

Location & Zoning

Street Address	6033 CASTLEBROOK DR
City	CASTRO VALLEY
State	CA
Zip	94552-1645
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00048 BLK: TR: 5053
Legal Tract	5053
Legal Lot Number	48
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 are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Company Name on Record
Mailing Address	6033 CASTLEBROOK DR, CASTRO VALLEY, CA 94552-1645
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 15, 1994 · Amount on Record
Deed Sale	Dec 15, 1994 · Amount on Record
Deed Document Number	1994384318
Last Transfer Date	Sep 9, 2015
Transfer Doc	0000252577
Record Updated	Sep 20, 2026

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		$541,223 (+0.7%) Land $164,467 Building $383,756
2025	$7,129.00 (+4.16%) Homeowner's exemption	$537,474 (+4.04%) Land $161,242 Building $376,232
2023	$6,844.00 Homeowner's exemption	$516,607 Land $154,982 Building $361,625	$1,471,140

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	High above 70% of the US · above 45% of California
Wildfire Likelihood	0.4% annual chance
Exposure	Direct burnable vegetation

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

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Starlink Satellite	280 / 30
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20