18724 Lamson Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 18724 Lamson Rd, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	6 bd · 6.5 ba · 4,201 sqft · built 1936
Lot Size	1.02 acres (44,720 sqft)
Owner	Company Name on Record
Last Sale	$256,000 (Feb 2002)
Tax Bill	$19,332 (2025)
Deeds & Mortgages	Jun 2023 Line of Credit Mar 2020 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`84D-1173-3`

Property Details

APN / Parcel Number

Primary APN	`84D-1173-3`
Alternative APN	`084D-1173-003-00`

Interior

Bedrooms	6 Beds
Full Baths	6.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	4,201 sqft Living Area

Exterior

Year Built	Built 1936
Effective Year Built	Effective 2000
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	44,720 sqft
Parking Spaces	3 Parking Spaces

Location & Zoning

Street Address	18724 LAMSON RD
City	CASTRO VALLEY
State	CA
Zip	94546-2132
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00003 BLK: AR: 084D PAGE: 1173
Legal Subdivision	CASTRO VLY ORCHARDS
Legal Lot Number	21&23
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1009
Census Tract	430300

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	18724 LAMSON RD, CASTRO VALLEY, CA 94546-2132
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jun 29, 2023	Deed of Trust, Mortgage · Line of Credit ZB NA
Mar 5, 2020	Deed of Trust, Mortgage · Line of Credit CALIFORNIA BK&TR
Aug 26, 2019	Quit Claim Deed, Transfer NOT AVAILABLE
Mar 15, 2019	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 20, 2002 · Amount on Record
Deed Sale	Feb 20, 2002 · Amount on Record
Deed Document Number	200279962
Last Transfer Date	Mar 17, 2019
Transfer Doc	0000166161
Record Updated	Oct 29, 2026

June 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18724 LAMSON RD, CASTRO VALLEY, CA 94546-2132
Transaction Type	Mortgage
Record Updated	Jul 27, 2023
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18724 LAMSON RD, CASTRO VALLEY, CA 94546-2132

Mortgage

Document Number	0000074123
Date	Jun 29, 2023
Instrument	2023074123

Lender

Name	ZB NA
Type	Bank
Address	SAN MATEO, CA 94402

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18724 LAMSON RD, CASTRO VALLEY, CA 94546-2132
Document Number	0000068533
Instrument Date	Mar 5, 2020
Transaction Type	Mortgage
Record Updated	May 20, 2020
Title Company	ORANGE COAST TITLE COMPANY, ORANGE COAST TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	18724 LAMSON RD CASTRO VALLEY CA 945462132, CASTRO VALLEY, CA 94546-2132

Mortgage

Document Number	0000068533
Date	Mar 25, 2020
Instrument	68533

Lender

Name	CALIFORNIA BK&TR
Type	Bank
Address	SAN MATEO, CA 94402

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

August 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Aug 26, 2019
Property Address	18724 LAMSON RD, CASTRO VALLEY, CA 94546-2132
Document Number	0000166161
Instrument Date	Mar 17, 2019
Instrument	166161
Transaction Type	Transfer
Record Updated	Sep 17, 2019
Title Company	NOT AVAILABLE

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	20880 REDWOOD RD CASTRO VALLEY CA 945465916, CASTRO VALLEY, CA 94546-5916

March 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Mar 15, 2019
Property Address	18724 LAMSON RD, CASTRO VALLEY, CA 94546-2132
Document Number	0000047305
Instrument Date	Mar 15, 2019
Instrument	47305
Transaction Type	Transfer
Record Updated	Apr 1, 2019
Title Company	NOT AVAILABLE

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	20880 REDWOOD RD CASTRO VALLEY CA 945465916, CASTRO VALLEY, CA 94546-5916

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		$1,545,388 (+2%) Land $611,736 Building $933,652
2025	$19,332.00 (+3.95%)	$1,515,091 (+4.04%) Land $599,743 Building $915,348
2023	$18,598.00	$1,456,270 Land $576,459 Building $879,811	$1,927,080

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	0.01% 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 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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