18828 Parsons Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 18828 Parsons Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,674 sqft · built 1952
Lot Size	0.298 acres (12,960 sqft)
Owner	Trust Name on File
Last Sale	$998,000 (Jan 2021)
Tax Bill	$13,533 (2025)
Deeds & Mortgages	Jan 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`84D-1342-78`

Property Details

APN / Parcel Number

Primary APN	`84D-1342-78`
Alternative APN	`084D-1342-078-00`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,674 sqft Living Area

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1990
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	12,960 sqft (0.298 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	18828 PARSONS AVE
City	CASTRO VALLEY
State	CA
Zip	94546-3005
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00078 BLK: AR: 084D PAGE: 1342
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2002
Census Tract	430700

Owner

18828 Parsons Ave is owner-occupied and held in a trust since January 2024.

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

Owner of Record	Trust Name on File
Mailing Address	18828 PARSONS AVE, CASTRO VALLEY, CA 94546-3005
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 7, 2021 · Amount on File
Deed Sale	Jan 7, 2021 · Amount on File
Prior Sale	Oct 22, 2008 · Amount on File
Deed Document Number	20218213
Last Transfer Date	Jan 27, 2024
Transfer Doc	0000092887
Record Updated	Sep 20, 2026

January 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 7, 2021
Property Address	18828 PARSONS AVE, CASTRO VALLEY, CA 94546-3005
Document Number	0000008213
Instrument Date	Dec 29, 2020
Instrument	2021008213
Transaction Type	Transfer
Record Updated	Jul 19, 2022
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,097.80
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	18828 PARSONS AVE, CASTRO VALLEY, CA 94546-3005

Mortgage

Document Number	0000008214
Date	Jan 7, 2021
Instrument	2021008214

Lender

Name	CALIBER HOME LOANS INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 18828 Parsons Ave was $13,533 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		$1,094,851 (+1.35%) Land $330,555 Building $771,296
2025	$13,533.00 Homeowner's exemption	$1,080,254 Land $324,076 Building $756,178
2023	$13,038.00 Homeowner's exemption	$1,038,318 Land $311,495 Building $726,823	$1,064,880

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

Flood

FEMA maps place 18828 Parsons Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

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	5 in force
Nearby Flood Claims	1 (1998)
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

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 18828 Parsons Ave is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% 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 938 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 · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Etheric Networks Fixed Wireless	250 / 100

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

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