16891 Hallmark Ct, Castro Valley, CA 94552 Property Records

Alameda County property record for 16891 Hallmark Ct, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,216 sqft · built 1987
Lot Size	0.269 acres (11,700 sqft)
Owner	Trust Name on File
Last Sale	$1,050,000 (May 2017)
Tax Bill	$15,248 (2025)
Deeds & Mortgages	Jul 2023 Transfer Mar 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`85-6314-65`

Property Details

APN / Parcel Number

Primary APN	`85-6314-65`
Alternative APN	`085-6314-065-00`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,216 sqft Living Area

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1994
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	11,700 sqft (0.269 acres)

Location & Zoning

Street Address	16891 HALLMARK CT
City	CASTRO VALLEY
State	CA
Zip	94552-1632
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00047 BLK: TR: 5055
Legal Subdivision	TRACT 5055 IN THE
Legal Tract	5055
Legal Lot Number	47
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1001
Census Tract	430200

Owner

16891 Hallmark Ct is held in a trust since April 2023.

Source: Alameda County records, as of August 5, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Trust Name on File
Mailing Address	16891 HALLMARK CT, CASTRO VALLEY, CA 94552-1632
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 10, 2023	Intrafamily Transfer, Transfer
Mar 17, 2021	Deed of Trust, Mortgage · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC
Aug 3, 2017	Deed of Trust, Mortgage · Conventional Mortgage PRIVATE INDIVIDUAL
May 23, 2017	Grant Deed, Transfer BANK OF AMERICA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 23, 2017 · Amount on File
Deed Sale	May 23, 2017 · Amount on File
Deed Document Number	2017112321
Last Transfer Date	Apr 26, 2023
Transfer Doc	0000078037
Record Updated	Sep 20, 2026

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jul 10, 2023
Property Address	16891 HALLMARK CT, CASTRO VALLEY, CA 94552-1632
Document Number	0000078037
Map Reference	MB 150 PG 92-98
Instrument Date	Apr 26, 2023
Instrument	2023078037
Transaction Type	Transfer
Record Updated	Aug 14, 2023

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
Address	16891 HALLMARK CT, CASTRO VALLEY, CA 94552-1632

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	16891 HALLMARK CT, CASTRO VALLEY, CA 94552-1632
Transaction Type	Mortgage
Record Updated	Apr 20, 2021
Title Company	WFG LENDER SERVICES

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	16891 HALLMARK CT, CASTRO VALLEY, CA 94552-1632

Mortgage

Document Number	0000109793
Date	Mar 17, 2021
Instrument	2021109793

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company
Address	CLEVELAND, OH 44144

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Apr 1, 2036

August 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	16891 HALLMARK CT, CASTRO VALLEY, CA 94552-1632
Document Number	0000185737
Instrument Date	Aug 3, 2017
Transaction Type	Mortgage
Record Updated	Aug 24, 2018
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	16891 HALLMARK CT CASTRO VALLEY CA 945521632, CASTRO VALLEY, CA 94552-1632

Mortgage

Document Number	0000185737
Date	Aug 24, 2017
Instrument	185737

Lender

Name	PRIVATE INDIVIDUAL
Type	Private Party
Address	OAKLAND, CA 94612

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

May 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	May 23, 2017
Property Address	16891 HALLMARK CT, CASTRO VALLEY, CA 94552-1632
Document Number	0000112321
Instrument Date	May 18, 2017
Instrument	112321
Transaction Type	Transfer
Record Updated	Jun 20, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,155.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	16891 HALLMARK CT CASTRO VALLEY CA 945521632, CASTRO VALLEY, CA 94552-1632

Mortgage

Document Number	112322
Date	May 23, 2017
Instrument	112322

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Amount	Amount on Record
Term	360 Months
Due	May 22, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 16891 Hallmark Ct was $15,248.

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		$1,242,957 (+2%) Land $372,887 Building $870,070
2025	$15,248.00	$1,218,587 Land $365,576 Building $853,011
2023	$14,699.00 (+1.85%)	$1,171,274 (+2%) Land $351,382 Building $819,892	$1,379,610
2022	$14,432.00	$1,148,311 Land $344,493 Building $803,818

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 16891 Hallmark Ct in Zone X, an area of minimal flood risk.

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

Wildfire risk around 16891 Hallmark Ct is moderate, ranking above 66% of the US, with a 0.2% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 66% of the US · above 41% of California
Wildfire Likelihood	0.2% 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 153 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Unwired.

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