17200 Roberto St, Castro Valley, CA 94546 Property Records

Alameda County property record for 17200 Roberto St, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,028 sqft · built 1929
Lot Size	0.122 acres (5,292 sqft)
Owner	2 Individual Names on Record
Last Sale	$830,000 (Nov 2018)
Tax Bill	$11,841 (2025)
Deeds & Mortgages	Sep 2019 Mortgage Oct 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`80A-234-16`

Property Details

APN / Parcel Number

Primary APN	`80A-234-16`
Alternative APN	`080A-0234-016-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,028 sqft Living Area

Exterior

Year Built	Built 1929
Effective Year Built	Effective 1929
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,292 sqft (0.122 acres)

Location & Zoning

Street Address	17200 ROBERTO ST
City	CASTRO VALLEY
State	CA
Zip	94546-3827
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00016 BLK: AR: 080A PAGE: 0234
Legal Subdivision	EL PORTAL
Legal Lot Number	515
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3018
Census Tract	430500

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	2 Individual Names on Record
Mailing Address	17200 ROBERTO ST, CASTRO VALLEY, CA 94546-3827
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Sep 10, 2019	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Oct 14, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC
Nov 27, 2018	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 27, 2018 · Amount on Record
Deed Sale	Nov 27, 2018 · Amount on Record
Deed Document Number	2018224511
Last Transfer Date	Oct 6, 2020
Transfer Doc	0000272818
Record Updated	Oct 29, 2026

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	17200 ROBERTO ST, CASTRO VALLEY, CA 94546-3827
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000178277
Date	Sep 10, 2019
Instrument	2019178277

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2049

October 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Oct 14, 2020
Property Address	17200 ROBERTO ST, CASTRO VALLEY, CA 94546-3827
Document Number	0000272818
Map Reference	MB 8 PG 76B-77
Instrument Date	Oct 6, 2020
Instrument	2020272818
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIDELITY NATIONAL TITLE CO

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
Relationship	Joint Tenants
Address	17200 ROBERTO ST, CASTRO VALLEY, CA 94546-3827

Mortgage

Document Number	0000272819
Date	Oct 14, 2020
Instrument	2020272819

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2050

November 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Nov 27, 2018
Property Address	17200 ROBERTO ST, CASTRO VALLEY, CA 94546-3827
Document Number	0000224511
Map Reference	MB 8 PG 76&77
Instrument Date	Nov 20, 2018
Instrument	2018224511
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	LAWYERS 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
Relationship	Joint Tenants
Address	17200 ROBERTO ST, CASTRO VALLEY, CA 94546-3827

Mortgage

Document Number	0000224512
Date	Nov 27, 2018
Instrument	2018224512

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2048

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		$937,381 (+1.24%) Land $283,314 Building $661,067
2025	$11,841.00 (+3.76%) Homeowner's exemption	$925,864 (+4.04%) Land $277,759 Building $648,105
2023	$11,412.00 Homeowner's exemption	$889,917 Land $266,975 Building $622,942	$891,630

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 796 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 · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250

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

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