16579 Columbia Dr, Castro Valley, CA 94552 Property Records

Alameda County property record for 16579 Columbia Dr, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,830 sqft · built 1988
Lot Size	0.161 acres (7,000 sqft)
Owner	Company Name on Record
Tax Bill	$7,526 (2025)
Deeds & Mortgages	Sep 2018 Transfer Jun 2018 Transfer
Flood Zone	Zone X (minimal risk)
APN	`85-6315-43`

Property Details

APN / Parcel Number

Primary APN	`85-6315-43`
Alternative APN	`085-6315-043-00`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,830 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Tile
Lot Area	7,000 sqft (0.161 acres)
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Window A/C
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	16579 COLUMBIA DR
City	CASTRO VALLEY
State	CA
Zip	94552-1600
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	PD
Legal Description	LOT: 00047 BLK: TR: 5204
Legal Tract	5204
Legal Lot Number	45
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1001
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	Company Name on Record
Mailing Address	16579 COLUMBIA DR, CASTRO VALLEY, CA 94552-1600
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 7, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Jun 26, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jun 1, 2018
Transfer Doc	0000174684
Record Updated	Oct 29, 2026

September 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 7, 2018
Property Address	16579 COLUMBIA DR, CASTRO VALLEY, CA 94552-1600
Document Number	0000174684
Instrument Date	Jun 1, 2018
Instrument	174684
Transaction Type	Transfer
Record Updated	Sep 28, 2018
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	Community Property
Address	16579 COLUMBIA DR CASTRO VALLEY CA 945521600, CASTRO VALLEY, CA 94552-1600

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jun 26, 2018
Property Address	16579 COLUMBIA DR, CASTRO VALLEY, CA 94552-1600
Document Number	0000125822
Instrument Date	Jun 1, 2018
Instrument	125822
Transaction Type	Transfer
Record Updated	Jul 12, 2018
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	16579 COLUMBIA DR CASTRO VALLEY CA 945521600, CASTRO VALLEY, CA 94552-1600

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		$575,600 (+0.77%) Land $233,691 Building $348,909
2025	$7,526.00 (+4.11%) Homeowner's exemption	$571,177 (+4.04%) Land $229,109 Building $342,068
2023	$7,229.00 Homeowner's exemption	$548,999 Land $220,213 Building $328,786	$1,442,970

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 77% of the US · above 54% 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 92 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
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

Cell Coverage

5G and 4G LTE (outdoors only)

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