18926 Edwin Markham Dr, Castro Valley, CA 94552 Property Records

Alameda County property record for 18926 Edwin Markham Dr, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,993 sqft · built 1986
Lot Size	0.185 acres (8,074 sqft)
Owner	Company Name on Record
Last Sale	$780,000 (Jul 2005)
Tax Bill	$13,363 (2025)
Deeds & Mortgages	May 2020 Mortgage Aug 2018 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`85A-6403-35`

Property Details

APN / Parcel Number

Primary APN	`85A-6403-35`
Alternative APN	`085A-6403-035-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,993 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Architectural Style	L-Shape
Exterior Material	Wood
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	8,074 sqft (0.185 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	18926 EDWIN MARKHAM DR
City	CASTRO VALLEY
State	CA
Zip	94552-5067
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	LOT: 00219 BLK: TR: 4468
Legal Tract	4468
Legal Lot Number	219
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2005
Census Tract	430101

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	18926 EDWIN MARKHAM DR, CASTRO VALLEY, CA 94552-5067
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 5, 2020	Deed of Trust, Mortgage · Conventional Mortgage FLAGSTAR BANK FSB
Aug 20, 2018	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 1, 2005 · Amount on Record
Deed Sale	Jul 1, 2005 · Amount on Record
Prior Sale	Mar 27, 1998 · Amount on Record
Deed Document Number	2005271180
Last Transfer Date	Nov 16, 2011
Transfer Doc	0000344885
Record Updated	Oct 29, 2026

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18926 EDWIN MARKHAM DR, CASTRO VALLEY, CA 94552-5067
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000104034
Date	May 5, 2020
Instrument	2020104034

Lender

Name	FLAGSTAR BANK FSB
Type	Bank
Address	TROY, MI 48098

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2050

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18926 EDWIN MARKHAM DR, CASTRO VALLEY, CA 94552-5067
Document Number	0000176253
Instrument Date	Aug 20, 2018
Transaction Type	Mortgage
Record Updated	Sep 28, 2018
Title Company	AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	18926 EDWIN MARKHAM DR CASTRO VALLEY CA 945525067, CASTRO VALLEY, CA 94552-5067

Mortgage

Document Number	0000176253
Date	Sep 10, 2018
Instrument	176253

Lender

Name	BANK OF AMERICA
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

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		$1,080,147 (+1.34%) Land $326,144 Building $761,003
2025	$13,363.00 (+3.81%) Homeowner's exemption	$1,065,838 (+4.04%) Land $319,751 Building $746,087
2023	$12,873.00 Homeowner's exemption	$1,024,458 Land $307,337 Building $717,121	$1,093,230

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 74% of the US · above 49% of California
Wildfire Likelihood	0.3% 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 207 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Etheric Networks.

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