17100 Robey Dr, Castro Valley, CA 94546 Property Records

Alameda County property record for 17100 Robey Dr, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,230 sqft · built 1980
Lot Size	0.117 acres (5,109 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,120,000 (Apr 2021)
Tax Bill	$15,263 (2025)
Deeds & Mortgages	Apr 2021 Sale & Mortgage Nov 2017 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`80A-233-17`

Property Details

APN / Parcel Number

Primary APN	`80A-233-17`
Alternative APN	`080A-0233-017-00`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,230 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1982
Architectural Style	L-Shape
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	5,109 sqft (0.117 acres)

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	17100 ROBEY DR
City	CASTRO VALLEY
State	CA
Zip	94546-3853
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00017 BLK: AR: 080A PAGE: 0233
Legal Subdivision	EL PORTAL
Legal Lot Number	499
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3019
Census Tract	430500

Owner

Source: Alameda County records, as of October 20, 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 Record
Mailing Address	17100 ROBEY DR, CASTRO VALLEY, CA 94546-3853
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Apr 30, 2021	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Nov 3, 2017	Intrafamily Transfer, Transfer OLD REPUBLIC TITLE COMPANY
Nov 3, 2017	Grant Deed, Transfer · Conventional Mortgage MUFG UNION BANK NA
May 23, 2017	Deed of Trust, Mortgage · Conventional Mortgage CALIBER HM LOANS
Nov 21, 2016	Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT FNDG

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 30, 2021 · Amount on Record
Deed Sale	Apr 30, 2021 · Amount on Record
Prior Sale	Nov 3, 2017 · Amount on Record
Deed Document Number	2021168408
Prior Transfer Date	Oct 31, 2017
Prior Transfer Doc	0000243730
Record Updated	Oct 29, 2026

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 30, 2021
Property Address	17100 ROBEY DR, CASTRO VALLEY, CA 94546-3853
Document Number	0000168408
Map Reference	MB 8 PG 76&77
Instrument Date	Apr 22, 2021
Instrument	2021168408
Transaction Type	Transfer
Record Updated	May 19, 2021
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,232.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	17100 ROBEY DR, CASTRO VALLEY, CA 94546-3853

Mortgage

Document Number	0000168409
Date	Apr 30, 2021
Instrument	2021168409

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2051

November 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Nov 3, 2017
Property Address	17100 ROBEY DR, CASTRO VALLEY, CA 94546-3853
Document Number	0000243730
Map Reference	MAP8 PG76&77
Instrument Date	Oct 31, 2017
Instrument	2017243730
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	17100 ROBEY DR, CASTRO VALLEY, CA 94546-3853

November 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Nov 3, 2017
Property Address	17100 ROBEY DR, CASTRO VALLEY, CA 94546-3853
Document Number	0000243729
Map Reference	MAP8 PG76&77
Instrument Date	Oct 31, 2017
Instrument	2017243729
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	17100 ROBEY DR, CASTRO VALLEY, CA 94546-3853

Mortgage

Document Number	0000243731
Date	Nov 3, 2017
Instrument	2017243731

Lender

Name	MUFG UNION BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2047

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	17100 ROBEY DR, CASTRO VALLEY, CA 94546-3853
Document Number	0000116817
Instrument Date	May 23, 2017
Transaction Type	Mortgage
Record Updated	Jun 20, 2017
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	17100 ROBEY DR CASTRO VALLEY CA 945463853, CASTRO VALLEY, CA 94546-3853

Mortgage

Document Number	0000116817
Date	May 30, 2017
Instrument	116817

Lender

Name	CALIBER HM LOANS
Type	Funding / Finance Company
Address	IRVING, TX 75063

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 29, 2047

November 2016: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	17100 ROBEY DR, CASTRO VALLEY, CA 94546-3853
Document Number	0000073481
Instrument Date	Nov 21, 2016
Transaction Type	Mortgage
Record Updated	Apr 13, 2017
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	17100 ROBEY DR CASTRO VALLEY CA 945463853, CASTRO VALLEY, CA 94546-3853

Mortgage

Document Number	0000073481
Date	Mar 30, 2017
Instrument	73481

Lender

Name	PROVIDENT FNDG
Type	Funding / Finance Company
Address	SAN BRUNO, CA 94066

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	120 Months
Due	Mar 29, 2027

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	San Lorenzo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,229,547 (+1.42%) Land $370,964 Building $865,583
2025	$15,263.00 (+3.72%) Homeowner's exemption	$1,212,310 (+4.04%) Land $363,693 Building $848,617
2023	$14,715.00 Homeowner's exemption	$1,165,247 Land $349,574 Building $815,673	$1,105,020

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	Not rated no burnable land within 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 709 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 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile.

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