17044 Roberto St, Castro Valley, CA 94546 Property Records

Alameda County property record for 17044 Roberto St, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,024 sqft · built 1940
Lot Size	0.14 acres (6,105 sqft)
Owner	Company Name on File
Last Sale	$385,000 (Dec 2003)
Tax Bill	$7,220 (2025)
Deeds & Mortgages	Mar 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`80A-234-20`

Property Details

APN / Parcel Number

Primary APN	`80A-234-20`
Alternative APN	`080A-0234-020-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,024 sqft Living Area

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1951
Architectural Style	Other
Construction Type	Wood
Lot Area	6,105 sqft (0.14 acres)

Location & Zoning

Street Address	17044 ROBERTO ST
City	CASTRO VALLEY
State	CA
Zip	94546-3849
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUBD:EL PORTAL
Legal Subdivision	EL PORTAL
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3018
Census Tract	430500

Owner

Source: Alameda County records · APN 80A-234-20

Assessment roll updated July 1, 2025 · Last verified October 2025

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

Owner of Record	Company Name on File
Mailing Address	17044 ROBERTO ST, CASTRO VALLEY, CA 94546-3849
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 31, 2003 · Amount on Record
Deed Sale	Dec 31, 2003 · Amount on Record
Prior Sale	Mar 30, 2012
Deed Document Number	0000748406
Last Transfer Date	Jun 18, 2015
Transfer Doc	0000170396
Record Updated	Jun 08, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	17044 ROBERTO ST, CASTRO VALLEY, CA 94546-3849
Transaction Type	Mortgage
Record Updated	Apr 06, 2021
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	17044 ROBERTO ST, CASTRO VALLEY, CA 94546-3849

Mortgage

Document Number	0000105078
Date	Mar 15, 2021
Instrument	2021105078

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 01, 2051

Tax Assessment & Valuation

Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	San Lorenzo Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2025	$7,220.00 (+3.91%) Homeowner's exemption	$547,357 (+4.04%) Land $164,207 Building $383,150
2023	$6,948.00 Homeowner's exemption	$526,105 Land $157,831 Building $368,274

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 796 locations within half a mile · Last verified October 2026

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: California Internet, Etheric Communications, LLC., T-Mobile USA, Unwired, Verizon.

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, 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.