17810 Hillside Ct, Castro Valley, CA 94546 Property Records

Alameda County property record for 17810 Hillside Ct, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,195 sqft · built 1968
Lot Size	0.118 acres (5,130 sqft)
Owner	Individual Name on File
Last Sale	$700,000 (Jul 2022)
Tax Bill	$12,905 (2025)
Deeds & Mortgages	Mar 2026 Mortgage Jun 2022 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`84D-1206-79`

Property Details

APN / Parcel Number

Primary APN	`84D-1206-79`
Alternative APN	`084D-1206-079-00`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,195 sqft Living Area

Exterior

Year Built	Built 1968
Effective Year Built	Effective 1968
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,130 sqft (0.118 acres)

Location & Zoning

Street Address	17810 HILLSIDE CT
City	CASTRO VALLEY
State	CA
Zip	94546-1403
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00017 BLK: TR: 2984
Legal Subdivision	TRACT NO. 2984 FILED MARCH 13 1968
Legal Tract	2984
Legal Lot Number	17
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3000
Census Tract	430300

Owner

17810 Hillside Ct is owned and occupied by an individual who bought it in July 2022.

Source: Alameda County records, as of October 19, 2026

Owner of Record	Individual Name on File
Mailing Address	17810 HILLSIDE CT, CASTRO VALLEY, CA 94546-1403
Occupancy	Owner Occupied
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Date	Document
Mar 4, 2026	Deed of Trust, Mortgage · Conventional Mortgage THE LOAN STORE INC
Jun 23, 2022	Deed of Trust, Mortgage · Commercial Mortgage PHOENIX FINANCIAL CORPORATION
Jul 6, 2022	Grant Deed, Transfer · Commercial Mortgage KEVIN TSENG
Mar 28, 2020	Deed of Trust, Mortgage · Conventional Mortgage KEVIN TSENG

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 6, 2022 · Amount on File
Deed Sale	Jul 6, 2022 · Amount on File
Prior Sale	Jun 20, 2008 · Amount on File
Deed Document Number	2022122937
Prior Transfer Date	May 17, 2011
Prior Transfer Doc	0000147979
Record Updated	Oct 29, 2026

March 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	17810 HILLSIDE CT, CASTRO VALLEY, CA 94546-1403
Transaction Type	Mortgage
Record Updated	Apr 17, 2026
Title Company	WFG NATIONAL TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	8028 MCCORMICK AVE, OAKLAND, CA 94605-3614

Mortgage

Document Number	0000029658
Date	Mar 4, 2026
Instrument	2026029658

Lender

Name	THE LOAN STORE INC
Type	Mortgage Company
Address	6340 N CAMPBELL AVE STE 100, TUCSON, AZ 85718

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2056

June 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	17810 HILLSIDE CT, CASTRO VALLEY, CA 94546-1403
Transaction Type	Mortgage
Record Updated	Jul 18, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1618 SULLIVAN AVE 306, 306, DALY CITY, CA 94015-1967

Mortgage

Document Number	0000116305
Date	Jun 23, 2022
Instrument	2022116305

Lender

Name	PHOENIX FINANCIAL CORPORATION
Type	Non-Lending Institution

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

July 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jul 6, 2022
Property Address	17810 HILLSIDE CT, CASTRO VALLEY, CA 94546-1403
Document Number	0000122937
Map Reference	MB 56 PG 71
Instrument Date	Jun 28, 2022
Instrument	2022122937
Transaction Type	Transfer
Record Updated	Aug 2, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$770.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Notice of Default Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1618 SULLIVAN AVE # 306, 306, DALY CITY, CA 94015-1967

Mortgage

Document Number	0000122938
Date	Jul 6, 2022
Instrument	2022122938

Lender

Name	KEVIN TSENG
Type	Private Party

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	17810 HILLSIDE CT, CASTRO VALLEY, CA 94546-1403
Document Number	0000076507
Instrument Date	Mar 28, 2020
Transaction Type	Mortgage
Record Updated	May 28, 2020
Title Company	USA NATIONAL TITLE COMPANY, USA NAT'L TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	17810 HILLSIDE CT CASTRO VALLEY CA 945461403, CASTRO VALLEY, CA 94546-1403

Mortgage

Document Number	0000076507
Date	Apr 7, 2020
Instrument	76507

Lender

Name	KEVIN TSENG
Address	830 24TH AVE, SAN FRANCISCO, CA 94121-3714

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 17810 Hillside Ct was $12,905, up 2.2% from the year before.

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		$1,220,380 (+19.65%) Land $366,114 Building $854,266
2025	$12,905.00 (+2.22%)	$1,020,000 Land $306,000 Building $714,000
2024	$12,625.00 (-5.46%)
2023	$13,354.00	$1,058,000 Land $317,400 Building $740,600	$1,126,800

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

Flood

FEMA maps place 17810 Hillside Ct in Zone X, an area of minimal flood risk.

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

Wildfire risk around 17810 Hillside Ct is low, with a 0.06% annual chance of wildfire.

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

Wildfire Risk	Low lower than 62% of the US · lower than 77% of California
Wildfire Likelihood	0.06% 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 666 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: Etheric Networks, T-Mobile, Unwired.

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