18819 Crest Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 18819 Crest Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,499 sqft · built 1949
Lot Size	0.115 acres (5,000 sqft)
Owner	Individual Name on File
Last Sale	$750,000 (Dec 2023)
Tax Bill	$9,799 (2025)
Deeds & Mortgages	Dec 2023 Sale & Mortgage Apr 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`84B-360-2`

Property Details

APN / Parcel Number

Primary APN	`84B-360-2`
Alternative APN	`084B-0360-002-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,499 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1957
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	5,000 sqft (0.115 acres)
Lot Dimensions	100 ft deep x 50 ft wide
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Wall Unit
Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	18819 CREST AVE
City	CASTRO VALLEY
State	CA
Zip	94546-2733
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00002 BLK: AR: 084B PAGE: 0360
Legal Subdivision	VALLEY CREST GARDENS
Legal Lot Number	34
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1015
Census Tract	430500

Owner

18819 Crest Ave is owned and occupied by an individual who bought it in December 2023.

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

Owner of Record	Individual Name on File
Mailing Address	18819 CREST AVE, CASTRO VALLEY, CA 94546-2733
Occupancy	Owner Occupied
Owner Type	Individual

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
Dec 14, 2023	Grant Deed, Transfer · Seller Carry-Back SANA LOUIE
Apr 7, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 14, 2023 · Amount on File
Deed Sale	Dec 14, 2023 · Amount on File
Prior Sale	Sep 21, 2012 · Amount on File
Deed Document Number	2023145888
Prior Transfer Date	Nov 11, 1994
Prior Transfer Doc	0000045589
Record Updated	Oct 29, 2026

December 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Dec 14, 2023
Property Address	18819 CREST AVE, CASTRO VALLEY, CA 94546-2733
Document Number	0000145888
Map Reference	MAP 24 PG 92
Instrument Date	Dec 8, 2023
Instrument	2023145888
Transaction Type	Transfer
Record Updated	Feb 7, 2024
Title Company	PLACER TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$825.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18819 CREST AVE, CASTRO VALLEY, CA 94546-2733

Mortgage

Document Number	0000145889
Date	Dec 14, 2023
Instrument	2023145889

Lender

Name	SANA LOUIE
Type	Seller

Agreement

Type	Seller Carry-Back
Amount	Amount on Record

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Apr 7, 2021
Property Address	18819 CREST AVE, CASTRO VALLEY, CA 94546-2733
Document Number	0000137980
Map Reference	MB 24 PG 92
Instrument Date	Mar 22, 2021
Instrument	2021137980
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
Address	2438 AUSTIN CT, 2438, CASTRO VALLEY, CA 94546-4069

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	18819 CREST AVE, CASTRO VALLEY, CA 94546-2733

Tax Assessment & Valuation

The 2025 property tax bill for 18819 Crest Ave was $9,799.

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		$780,300 (+2%) Land $234,090 Building $546,210
2025	$9,799.00	$765,000 Land $229,500 Building $535,500
2023	$5,575.00	$408,331 Land $177,535 Building $230,796	$747,090

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

Flood

FEMA maps place 18819 Crest Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1978.

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

Wildfire risk around 18819 Crest Ave is low, with a 0.02% annual chance of 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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