18134 Lamson Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 18134 Lamson Rd, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 3,420 sqft · built 1949
Lot Size	0.592 acres (25,803 sqft)
Owner	Company Name on Record
Last Sale	$450,000 (Jun 1999)
Tax Bill	$12,417 (2025)
Deeds & Mortgages	Aug 2026 Line of Credit Jul 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`84D-1173-45`

Property Details

APN / Parcel Number

Primary APN	`84D-1173-45`
Alternative APN	`084D-1173-045-00`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	3,420 sqft Living Area

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1967
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	25,803 sqft (0.592 acres)
Parking Spaces	3 Parking Spaces

Location & Zoning

Street Address	18134 LAMSON RD
City	CASTRO VALLEY
State	CA
Zip	94546-2120
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00001 BLK: PM: 0200 PAGE: 0077
Legal Subdivision	PARCEL MAP 6220
Legal Lot Number	1
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1009
Census Tract	430300

Owner

Source: Alameda County records, as of September 29, 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	18134 LAMSON RD, CASTRO VALLEY, CA 94546-2120
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Aug 12, 2026	Deed of Trust, Mortgage · Line of Credit ROCKET MORTGAGE LLC
Jul 22, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Apr 26, 2018	Deed of Trust, Mortgage · Line of Credit JPMORGAN CHASE BANK NA
Nov 22, 2019	Deed of Trust, Mortgage BANK OF AMERICA
Jan 25, 2017	Quit Claim Deed, Transfer QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 9, 1999 · Amount on Record
Deed Sale	Jun 9, 1999 · Amount on Record
Deed Document Number	1999214378
Last Transfer Date	Jan 17, 2017
Transfer Doc	0000019237
Record Updated	Oct 29, 2026

August 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Recording Date	Aug 12, 2026
Property Address	18134 LAMSON RD, CASTRO VALLEY, CA 94546-2120
Document Number	0000104289
Instrument Date	Aug 7, 2026
Instrument	2026104289
Transaction Type	Mortgage
Record Updated	Sep 29, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust, 221
Address	18134 LAMSON RD, CASTRO VALLEY, CA 94546-2120

Mortgage

Document Number	0000104289,
Date	Aug 12, 2026
Instrument	2026104289

Lender

Name	ROCKET MORTGAGE LLC

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Aug 6, 2056

Interest

Rate Type	Adjustable Rate
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18134 LAMSON RD, CASTRO VALLEY, CA 94546-2120
Transaction Type	Mortgage
Record Updated	Aug 11, 2021
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18134 LAMSON RD, CASTRO VALLEY, CA 94546-2120

Mortgage

Document Number	0000254851
Date	Jul 22, 2021
Instrument	2021254851

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.5%
Type Change Date	Aug 1, 2031
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	7.5%
Index	Other
Margin	3
Max Rate	7.5%

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18134 LAMSON RD, CASTRO VALLEY, CA 94546-2120
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000083604
Date	Apr 26, 2018
Instrument	2018083604

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	WESTMONT, IL 60559

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Apr 25, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18134 LAMSON RD, CASTRO VALLEY, CA 94546-2120
Document Number	0000268085
Instrument Date	Nov 22, 2019
Transaction Type	Mortgage
Record Updated	Feb 17, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	18134 LAMSON RD CASTRO VALLEY CA 945462120, CASTRO VALLEY, CA 94546-2120

Mortgage

Document Number	0000268085
Date	Dec 27, 2019
Instrument	268085

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Dec 26, 2049

January 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 25, 2017
Property Address	18134 LAMSON RD, CASTRO VALLEY, CA 94546-2120
Document Number	0000019237
Instrument Date	Jan 17, 2017
Instrument	19237
Transaction Type	Transfer
Record Updated	Feb 9, 2017
Title Company	TSI TITLE COMPANY/CA INC, TSI TITLE CO/CA INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	18134 LAMSON RD CASTRO VALLEY CA 945462120, CASTRO VALLEY, CA 94546-2120

Mortgage

Document Number	19238
Date	Jan 25, 2017
Instrument	19238

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jan 24, 2047

Interest

Rate Type	Adjustable Rate
Rate	2.87%

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		$998,335 (+1.29%) Land $215,860 Building $789,475
2025	$12,417.00 (+3.84%) Homeowner's exemption	$985,625 (+4.04%) Land $211,628 Building $773,997
2023	$11,958.00 Homeowner's exemption	$947,360 Land $203,412 Building $743,948	$1,489,140

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 · 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	1 in force

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	0.03% 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 606 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Etheric Networks, GeoLinks, Unwired, Verizon.

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