2045 170th Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 2045 170th Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,729 sqft · built 1960
Lot Size	0.157 acres (6,840 sqft)
Owner	2 Individual Names on File
Last Sale	$850,000 (Jul 2023)
Tax Bill	$11,221 (2025)
Deeds & Mortgages	Jul 2023 Sale Jul 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`80A-220-39`

Property Details

APN / Parcel Number

Primary APN	`80A-220-39`
Alternative APN	`080A-0220-039-00`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,729 sqft Living Area

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1961
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,840 sqft (0.157 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	2045 170TH AVE
City	CASTRO VALLEY
State	CA
Zip	94546-3802
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00039 BLK: AR: 080A PAGE: 0220
Legal Subdivision	EL PORTAL
Legal Lot Number	444
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3003
Census Tract	430500

Owner

2045 170th Ave is owned by two individuals who bought it in July 2023.

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

Owner of Record	2 Individual Names on File
Mailing Address	1469 MICHAEL CT, MILPITAS, CA 95035-4770
Owner Type	Individual
Vesting	Tenants in Common

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
Jul 10, 2023	Grant Deed, Transfer CHICAGO TITLE COMPANY
Jul 10, 2023	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 10, 2023 · Amount on File
Deed Sale	Jul 10, 2023 · Amount on File
Prior Sale	Sep 22, 2004 · Amount on File
Deed Document Number	202377599
Prior Transfer Date	Oct 3, 1996
Prior Transfer Doc	0000265637
Record Updated	Oct 29, 2026

July 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jul 10, 2023
Property Address	2045 170TH AVE, CASTRO VALLEY, CA 94546-3802
Document Number	0000077599
Map Reference	MB 8 PG 76
Instrument Date	Jun 28, 2023
Instrument	2023077599
Transaction Type	Transfer
Record Updated	Aug 14, 2023
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$935.00
Amount Accuracy	Rounded by County
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	1469 MICHAEL CT, MILPITAS, CA 95035-4770

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jul 10, 2023
Property Address	2045 170TH AVE, CASTRO VALLEY, CA 94546-3802
Document Number	0000077598
Map Reference	MB 8 PG 76
Instrument Date	Jun 27, 2023
Instrument	2023077598
Transaction Type	Transfer
Record Updated	Aug 14, 2023
Title Company	CHICAGO TITLE COMPANY

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	1469 MICHAEL CT, MILPITAS, CA 95035-4770

Tax Assessment & Valuation

The 2025 property tax bill for 2045 170th Ave was $11,221.

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		$884,340 (+2%) Land $265,302 Building $619,038
2025	$11,221.00	$867,000 Land $260,100 Building $606,900
2023	$8,772.00 (+1.43%) Homeowner's exemption	$669,834 (+2%) Land $200,950 Building $468,884	$743,850
2022	$8,648.00 Homeowner's exemption	$656,704 Land $197,011 Building $459,693

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

Flood

FEMA maps place 2045 170th Ave 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

The area around 2045 170th Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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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