2238 170th Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 2238 170th Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	1,909 sqft · built 1977
Lot Size	0.178 acres (7,757 sqft)
Owner	Individual Name on File
Last Sale	$898,000 (Sep 2019)
Tax Bill	$13,204 (2025)
Deeds & Mortgages	Dec 2020 Mortgage Sep 2019 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`80A-233-3-3`

Property Details

APN / Parcel Number

Primary APN	`80A-233-3-3`
Alternative APN	`080A-0233-003-03`

Interior

Building Area	1,909 sqft Living Area
Gross Area	450 sqft
Basement Area	450 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1992
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	7,757 sqft (0.178 acres)
Lot Depth	800 ft Depth
Garage Type	Attached

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	2238 170TH AVE
City	CASTRO VALLEY
State	CA
Zip	94546-3807
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	LOT: 00003 BLK: 0003 AR: 080A PAGE: 0233
Legal Subdivision	EL PORTAL
Legal Lot Number	536&5
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3019
Census Tract	430500

Owner

2238 170th Ave is owned and occupied by an individual who bought it in September 2019.

Source: Alameda County records, as of September 28, 2026

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

Owner of Record	Individual Name on File
Mailing Address	2238 170TH AVE, CASTRO VALLEY, CA 94546-3807
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 8, 2020	Deed of Trust, Mortgage · Conventional Mortgage PMAC LENDING SERVICES INC
Sep 26, 2019	Grant Deed, Transfer · Conventional Mortgage PMAC LENDING SERVICES INC
Jun 29, 2017	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 26, 2019 · Amount on File
Deed Sale	Sep 26, 2019 · Amount on File
Prior Sale	Apr 28, 2000 · Amount on File
Deed Document Number	2019193505
Record Updated	Oct 29, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	2238 170TH AVE, CASTRO VALLEY, CA 94546-3807
Transaction Type	Mortgage
Record Updated	Jul 19, 2022
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2238 170TH AVE, CASTRO VALLEY, CA 94546-3807

Mortgage

Document Number	0000340103
Date	Dec 8, 2020
Instrument	2020340103

Lender

Name	PMAC LENDING SERVICES INC
Type	Mortgage Company
Address	BREA, CA 92821

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 1, 2050

September 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 26, 2019
Property Address	2238 170TH AVE, CASTRO VALLEY, CA 94546-3807
Document Number	0000193505
Map Reference	MB 8 PG 77
Instrument Date	Sep 17, 2019
Instrument	2019193505
Transaction Type	Transfer
Record Updated	Jul 19, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
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	2347 20TH AVE, SAN FRANCISCO, CA 94116-2419

Mortgage

Document Number	0000193506
Date	Sep 26, 2019
Instrument	2019193506

Lender

Name	PMAC LENDING SERVICES INC
Type	Mortgage Company

Agreement

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

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	2238 170TH AVE, CASTRO VALLEY, CA 94546-3807
Document Number	0000150067
Instrument Date	Jun 29, 2017
Transaction Type	Mortgage
Record Updated	Aug 1, 2017
Title Company	TSI TITLE COMPANY/CA INC, TSI TITLE CO/CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	2238 170TH AVE CASTRO VALLEY CA 945463807, CASTRO VALLEY, CA 94546-3807

Mortgage

Document Number	0000150067
Date	Jul 11, 2017
Instrument	150067

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	240 Months
Due	Jul 10, 2037

Tax Assessment & Valuation

The 2025 property tax bill for 2238 170th Ave was $13,204, up 7% 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	San Lorenzo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,166,622 (+17.57%) Land $300,515 Building $866,107
2025	$13,204.00 (+6.98%)	$992,278 Land $294,623 Building $697,655
2024	$12,342.00 (+1.63%)
2023	$12,144.00	$943,950 Land $283,185 Building $660,765	$810,450

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

Flood

FEMA maps place 2238 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 2238 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 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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