18679 Crest Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 18679 Crest Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,197 sqft · built 1926
Lot Size	0.171 acres (7,447 sqft)
Owner	2 Individual Names on Record
Last Sale	$215,000 (Oct 1998)
Tax Bill	$4,800 (2025)
Deeds & Mortgages	Apr 2022 Line of Credit Jul 2017 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`84B-355-3`

Property Details

APN / Parcel Number

Primary APN	`84B-355-3`
Alternative APN	`084B-0355-003-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,197 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1926
Effective Year Built	Effective 1936
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	7,447 sqft (0.171 acres)
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	18679 CREST AVE
City	CASTRO VALLEY
State	CA
Zip	94546-2747
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	LOT: 00003 BLK: 000B TR: 0880
Legal Subdivision	TRACT 880 FILED JULY 7 1948
Legal Tract	0880
Legal Block	B
Legal Lot Number	3
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1016
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	18679 CREST AVE, CASTRO VALLEY, CA 94546-2747
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Apr 21, 2022	Deed of Trust, Mortgage · Line of Credit PROVIDENT CU
Jul 3, 2017	Deed of Trust, Mortgage · Line of Credit PROVIDENT CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 8, 1998 · Amount on Record
Deed Sale	Oct 8, 1998 · Amount on Record
Deed Document Number	1998349987
Last Transfer Date	May 17, 2006
Transfer Doc	0000243804
Record Updated	Sep 20, 2026

April 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18679 CREST AVE, CASTRO VALLEY, CA 94546-2747
Transaction Type	Mortgage
Record Updated	May 17, 2022
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18679 CREST AVE, CASTRO VALLEY, CA 94546-2747

Mortgage

Document Number	0000079727
Date	Apr 21, 2022
Instrument	2022079727

Lender

Name	PROVIDENT CU
Type	Credit Union
Address	REDWOOD CITY, CA 94065

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18679 CREST AVE, CASTRO VALLEY, CA 94546-2747
Document Number	0000152343
Instrument Date	Jul 3, 2017
Transaction Type	Mortgage
Record Updated	Aug 1, 2017
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE INSURANCE COMPAN

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	18679 CREST AVE CASTRO VALLEY CA 945462747, CASTRO VALLEY, CA 94546-2747

Mortgage

Document Number	0000152343
Date	Jul 13, 2017
Instrument	152343

Lender

Name	PROVIDENT CU
Type	Credit Union
Address	REDWOOD CITY, CA 94065-1409

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

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	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$348,383 (-0.01%) Land $103,133 Building $252,250
2025	$4,800.00 (+3.9%) Homeowner's exemption	$348,415 (+4.04%) Land $101,111 Building $247,304
2023	$4,620.00 Homeowner's exemption	$334,889 Land $97,186 Building $237,703	$817,830

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	2 (1978)
Most Recent Claim	Jan 1978 · tidal / storm surge

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 66% of the US · lower than 80% of California
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond 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 522 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

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

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