19281 Edwin Markham Dr, Castro Valley, CA 94552 Property Records

Alameda County property record for 19281 Edwin Markham Dr, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,078 sqft · built 1984
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Individual Names on File
Last Sale	$1,625,000 (Apr 2023)
Tax Bill	$20,819 (2025)
Deeds & Mortgages	Apr 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`85A-6404-17`

Property Details

APN / Parcel Number

Primary APN	`85A-6404-17`
Alternative APN	`085A-6404-017-00`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,078 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	5,000 sqft (0.115 acres)

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	19281 EDWIN MARKHAM DR
City	CASTRO VALLEY
State	CA
Zip	94552-5055
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00017 BLK: TR: 4468
Legal Subdivision	TRACT 4468 FILED FEBRUARY 19 1980
Legal Tract	4468
Legal Lot Number	17
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2006
Census Tract	430101

Owner

Source: Alameda County records · APN 85A-6404-17

Assessment roll updated August 5, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	19281 EDWIN MARKHAM DR, CASTRO VALLEY, CA 94552-5055
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 12, 2023 · Amount on Record
Deed Sale	Apr 12, 2023 · Amount on Record
Deed Document Number	202341296
Prior Transfer Date	Jan 27, 2023
Prior Transfer Doc	0000012766
Record Updated	Sep 20, 2026

April 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 12, 2023
Property Address	19281 EDWIN MARKHAM DR, CASTRO VALLEY, CA 94552-5055
Document Number	0000041296
Map Reference	MB 117 PG 1-14
Instrument Date	Mar 30, 2023
Instrument	2023041296
Transaction Type	Transfer
Record Updated	May 15, 2023
Title Company	NOT AVAILABLE, DOMA TITLE OF CALIFORNIA INC

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$1,787.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	19281 EDWIN MARKHAM DR, CASTRO VALLEY, CA 94552-5055

Mortgage

Document Number	0000041297
Date	Apr 12, 2023
Instrument	2023041297

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 01, 2053

Tax Assessment & Valuation

Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,724,450 (+2%) Land $517,335 Building $1,207,115
2025	$20,819.00 (+233.58%)	$1,690,650 (+262.97%) Land $507,195 Building $1,183,455
2023	$6,241.00 Homeowner's exemption	$465,778 Land $110,918 Building $354,860	$1,435,320

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of May 25, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Moderate above 67% of the US · above 42% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Communications, LLC. Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20
AT&T DSL	100 / 20

Based on FCC filings for 495 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	EAST BAY MUD serves 1,468,000 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.