18565 Mountain Ln, Castro Valley, CA 94552 Property Records

Alameda County property record for 18565 Mountain Ln, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.5 ba · 1,908 sqft · built 1966
Lot Size	0.293 acres (12,750 sqft)
Owner	2 Individual Names on File
Last Sale	$805,000 (Aug 2007)
Tax Bill	$13,263 (2025)
Deeds & Mortgages	Jan 2022 Mortgage Jul 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`85-1604-65`

Property Details

APN / Parcel Number

Primary APN	`85-1604-65`
Alternative APN	`085-1604-065-00`

Interior

Bedrooms	5 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,908 sqft Living Area

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1968
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	12,750 sqft (0.293 acres)

Location & Zoning

Street Address	18565 MOUNTAIN LN
City	CASTRO VALLEY
State	CA
Zip	94552-1846
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00041 BLK: 000A TR: 2478
Legal Tract	2478
Legal Block	A
Legal Lot Number	41
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1016
Census Tract	430102

Owner

18565 Mountain Ln is owned and occupied by two individuals who bought it in August 2007.

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

Owner of Record	2 Individual Names on File
Mailing Address	18565 MOUNTAIN LN, CASTRO VALLEY, CA 94552-1846
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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
Jan 3, 2022	Deed of Trust, Mortgage · Conventional Mortgage AMERISAVE MORTGAGE CORP
Jul 12, 2019	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 14, 2007 · Amount on File
Deed Sale	Aug 14, 2007 · Amount on File
Deed Document Number	2007299120
Prior Transfer Date	Aug 14, 2006
Prior Transfer Doc	0000353895
Record Updated	Oct 29, 2026

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18565 MOUNTAIN LN, CASTRO VALLEY, CA 94552-1846
Transaction Type	Mortgage
Record Updated	Jun 8, 2026
Title Company	SOLIDIFI TITLE AND CLOSING, SOLIDIFI TITLE & CLOSING

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18565 MOUNTAIN LN, CASTRO VALLEY, CA 94552-1846

Mortgage

Document Number	0000001117
Date	Jan 3, 2022
Instrument	2022001117

Lender

Name	AMERISAVE MORTGAGE CORP
Type	Mortgage Company
Address	ATLANTA, GA 30305

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2052

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18565 MOUNTAIN LN, CASTRO VALLEY, CA 94552-1846
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000133210
Date	Jul 12, 2019
Instrument	2019133210

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

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

Tax Assessment & Valuation

The 2025 property tax bill for 18565 Mountain Ln was $13,263 with a homeowner's exemption.

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,071,450 (+1.34%) Land $323,535 Building $754,915
2025	$13,263.00 Homeowner's exemption	$1,057,310 Land $317,193 Building $740,117
2023	$12,776.00 Homeowner's exemption	$1,016,263 Land $304,879 Building $711,384	$1,194,660

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

Flood

FEMA maps place 18565 Mountain Ln 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

Wildfire risk around 18565 Mountain Ln is moderate, ranking above 63% of the US, with a 0.2% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 63% of the US · lower than 61% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Direct burnable vegetation

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 389 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: Unwired.

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