18950 Patton Dr, Castro Valley, CA 94546 Property Records

Alameda County property record for 18950 Patton Dr, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,563 sqft · built 1950
Lot Size	0.131 acres (5,720 sqft)
Owner	Company Name on Record
Last Sale	$448,000 (Dec 2014)
Tax Bill	$7,877 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Sep 2020 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`84D-1351-7`

Property Details

APN / Parcel Number

Primary APN	`84D-1351-7`
Alternative APN	`084D-1351-007-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,563 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,720 sqft (0.131 acres)
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	18950 PATTON DR
City	CASTRO VALLEY
State	CA
Zip	94546-3135
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00007 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	18950 PATTON DR, CASTRO VALLEY, CA 94546-3135
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 9, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC
Sep 9, 2020	Quit Claim Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
May 8, 2018	Quit Claim Deed, Transfer Quitclaim
Oct 5, 2017	Deed of Trust, Mortgage · Conventional Mortgage US BK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 12, 2014 · Amount on Record
Deed Sale	Dec 12, 2014 · Amount on Record
Prior Sale	Jul 7, 2009 · Amount on Record
Deed Document Number	2014303248
Last Transfer Date	Jul 31, 2020
Transfer Doc	0000226360
Record Updated	Oct 29, 2026

September 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Sep 9, 2020
Property Address	18950 PATTON DR, CASTRO VALLEY, CA 94546-3135
Document Number	0000226358
Instrument Date	Jul 31, 2020
Instrument	2020226358
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	18950 PATTON DR, CASTRO VALLEY, CA 94546-3135

Mortgage

Document Number	0000226359
Date	Sep 9, 2020
Instrument	2020226359

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Oct 1, 2035

September 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 9, 2020
Property Address	18950 PATTON DR, CASTRO VALLEY, CA 94546-3135
Document Number	0000226360
Instrument Date	Jul 31, 2020
Instrument	226360
Transaction Type	Transfer
Record Updated	Nov 5, 2020
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

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	18950 PATTON DR CASTRO VALLEY CA 945463135, CASTRO VALLEY, CA 94546-3135

May 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	May 8, 2018
Property Address	18950 PATTON DR, CASTRO VALLEY, CA 94546-3135
Document Number	0000091697
Instrument Date	May 5, 2018
Instrument	91697
Transaction Type	Transfer
Record Updated	May 25, 2018

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	18950 PATTON DR CASTRO VALLEY CA 945463135, CASTRO VALLEY, CA 94546-3135

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18950 PATTON DR, CASTRO VALLEY, CA 94546-3135
Document Number	0000226077
Instrument Date	Oct 5, 2017
Transaction Type	Mortgage
Record Updated	Nov 14, 2017
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	18950 PATTON DR CASTRO VALLEY CA 945463135, CASTRO VALLEY, CA 94546-3135

Mortgage

Document Number	0000226077
Date	Oct 13, 2017
Instrument	226077

Lender

Name	US BK
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	240 Months
Due	Oct 12, 2037

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		$605,920 (+2.02%) Land $214,522 Building $398,398
2025	$7,877.00 (+2.33%) Homeowner's exemption	$593,904 (+2.83%) Land $210,316 Building $390,588
2024	$7,698.00 (+1.72%)
2023	$7,568.00 Homeowner's exemption	$577,574 Land $202,151 Building $375,423	$893,880

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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