18986 Patton Dr, Castro Valley, CA 94546 Property Records

Alameda County property record for 18986 Patton Dr, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,540 sqft · built 1949
Lot Size	0.131 acres (5,720 sqft)
Owner	Company Name on Record
Last Sale	$500,000 (Jan 2015)
Tax Bill	$8,846 (2025)
Deeds & Mortgages	Jan 2019 Transfer Jan 2019 Transfer
Flood Zone	Zone X (minimal risk)
APN	`84D-1351-11`

Property Details

APN / Parcel Number

Primary APN	`84D-1351-11`
Alternative APN	`084D-1351-011-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,540 sqft Living Area

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1995
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	5,720 sqft (0.131 acres)
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	18986 PATTON DR
City	CASTRO VALLEY
State	CA
Zip	94546-3135
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00011 BLK: AR: 084D PAGE: 1351
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2001
Census Tract	430700

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	4673 CANDLEBERRY AVE, SEAL BEACH, CA 90740-3033
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 25, 2019	Affidavit of Death, Transfer ATTORNEY ONLY
Jan 25, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 23, 2015 · Amount on Record
Deed Sale	Jan 23, 2015 · Amount on Record
Prior Sale	Mar 31, 2000 · Amount on Record
Deed Document Number	201516135
Last Transfer Date	Jan 11, 2019
Transfer Doc	0000012849
Record Updated	Oct 29, 2026

January 2019: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	Jan 25, 2019
Property Address	18986 PATTON DR, CASTRO VALLEY, CA 94546-3135
Document Number	0000012848
Instrument Date	Jan 11, 2019
Instrument	12848
Transaction Type	Transfer
Record Updated	Feb 13, 2019
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	4673 CANDLEBERRY AVE SEAL BEACH CA 907403033, SEAL BEACH, CA 90740-3033

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 25, 2019
Property Address	18986 PATTON DR, CASTRO VALLEY, CA 94546-3135
Document Number	0000012849
Instrument Date	Jan 11, 2019
Instrument	12849
Transaction Type	Transfer
Record Updated	Feb 11, 2019
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	Living Trust
Address	4673 CANDLEBERRY AVE SEAL BEACH CA 907403033, SEAL BEACH, CA 90740-3033

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		$689,516 (+2%) Land $183,876 Building $505,640
2025	$8,846.00 (+3.97%)	$675,999 (+4.04%) Land $180,271 Building $495,728
2023	$8,508.00	$649,754 Land $173,272 Building $476,482	$924,840

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	5 in force
Nearby Flood Claims	1 (1998)
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

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

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 938 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 · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile, Unwired, Verizon.

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