18666 Crest Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 18666 Crest Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,096 sqft · built 1953
Lot Size	0.134 acres (5,818 sqft)
Owner	Company Name on Record
Last Sale	$580,000 (Oct 2016)
Tax Bill	$8,605 (2025)
Deeds & Mortgages	Jan 2023 Transfer Sep 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`84B-370-7-3`

Property Details

APN / Parcel Number

Primary APN	`84B-370-7-3`
Alternative APN	`084B-0370-007-03`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,096 sqft Living Area

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,818 sqft (0.134 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	18666 CREST AVE
City	CASTRO VALLEY
State	CA
Zip	94546-2730
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00003 BLK: 0007 AR: 084B PAGE: 0370
Legal Subdivision	VALLEY CREST GARDENS
Legal Lot Number	15
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3004
Census Tract	430600

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	Company Name on Record
Mailing Address	18666 CREST AVE, CASTRO VALLEY, CA 94546-2730
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 10, 2023	Intrafamily Transfer, Transfer
Sep 22, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 21, 2016 · Amount on Record
Deed Sale	Oct 21, 2016 · Amount on Record
Deed Document Number	2016274410
Prior Transfer Date	Oct 28, 1993
Prior Transfer Doc	0000036221
Record Updated	Oct 29, 2026

January 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jan 10, 2023
Property Address	18666 CREST AVE, CASTRO VALLEY, CA 94546-2730
Document Number	0000002647
Map Reference	MB 24 PG 92
Instrument Date	Jan 5, 2023
Instrument	2023002647
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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	18666 CREST AVE, CASTRO VALLEY, CA 94546-2730

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18666 CREST AVE, CASTRO VALLEY, CA 94546-2730
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18666 CREST AVE, CASTRO VALLEY, CA 94546-2730

Mortgage

Document Number	0000241622
Date	Sep 22, 2020
Instrument	2020241622

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	239 Months
Due	Aug 1, 2040

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		$679,585 (+0.96%) Land $205,975 Building $480,610
2025	$8,605.00 (+3.7%) Homeowner's exemption	$673,124 (+4.04%) Land $201,937 Building $471,187
2023	$8,298.00 Homeowner's exemption	$646,990 Land $194,097 Building $452,893	$764,370

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
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	3 in force
Nearby Flood Claims	2 (1995–1998)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Jan 1998 · rainfall accumulation

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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