18988 Sandy Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 18988 Sandy Rd, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,878 sqft · built 1947
Lot Size	0.327 acres (14,250 sqft)
Owner	Company Name on Record
Last Sale	$1,325,000 (Mar 2023)
Tax Bill	$17,053 (2025)
Deeds & Mortgages	Apr 2023 Transfer Mar 2023 Sale & Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`84C-815-12`

Property Details

APN / Parcel Number

Primary APN	`84C-815-12`
Alternative APN	`084C-0815-012-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,878 sqft Living Area

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1947
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	14,250 sqft (0.327 acres)

Location & Zoning

Street Address	18988 SANDY RD
City	CASTRO VALLEY
State	CA
Zip	94546-2430
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00012 BLK: 000C TR: 0733
Legal Subdivision	TR 733
Legal Tract	0733
Legal Lot Number	12
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3000
Census Tract	430200

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	18988 SANDY RD, CASTRO VALLEY, CA 94546-2430
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 17, 2023	Intrafamily Transfer, Transfer
Mar 3, 2023	Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
May 12, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
May 12, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
May 12, 2020	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 3, 2023 · Amount on Record
Deed Sale	Mar 3, 2023 · Amount on Record
Deed Document Number	202326548
Prior Transfer Date	Nov 8, 1993
Prior Transfer Doc	0000427886
Record Updated	Oct 29, 2026

April 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Apr 17, 2023
Property Address	18988 SANDY RD, CASTRO VALLEY, CA 94546-2430
Document Number	0000043010
Map Reference	MB 11 PG 56
Instrument Date	Apr 4, 2023
Instrument	2023043010
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
Relationship	Family Trust
Address	18988 SANDY RD, CASTRO VALLEY, CA 94546-2430
Investor	Possibly a Property Investor

March 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Mar 3, 2023
Property Address	18988 SANDY RD, CASTRO VALLEY, CA 94546-2430
Document Number	0000026548
Map Reference	MB 11 PG 56
Instrument Date	Feb 15, 2023
Instrument	2023026548
Transaction Type	Transfer
Record Updated	Mar 29, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,457.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	18988 SANDY RD, CASTRO VALLEY, CA 94546-2430
Investor	Possibly a Property Investor

Mortgage

Document Number	0000026549
Date	Mar 3, 2023
Instrument	2023026549

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2053

May 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	May 12, 2020
Property Address	18988 SANDY RD, CASTRO VALLEY, CA 94546-2430
Document Number	0000108823
Instrument Date	Apr 18, 2020
Instrument	108823
Transaction Type	Transfer
Record Updated	Jun 29, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	18988 SANDY RD CASTRO VALLEY CA 945462430, CASTRO VALLEY, CA 94546-2430

May 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	May 12, 2020
Property Address	18988 SANDY RD, CASTRO VALLEY, CA 94546-2430
Document Number	0000108824
Instrument Date	Apr 18, 2020
Instrument	108824
Transaction Type	Transfer
Record Updated	Jun 29, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	18988 SANDY RD CASTRO VALLEY CA 945462430, CASTRO VALLEY, CA 94546-2430

May 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	May 12, 2020
Property Address	18988 SANDY RD, CASTRO VALLEY, CA 94546-2430
Document Number	0000108822
Instrument Date	Apr 18, 2020
Instrument	108822
Transaction Type	Transfer
Record Updated	Jun 29, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18988 SANDY RD CASTRO VALLEY CA 945462430, CASTRO VALLEY, CA 94546-2430

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		$1,399,090 (+1.49%) Land $421,827 Building $984,263
2025	$17,053.00 (+756.5%) Homeowner's exemption	$1,378,530 (+1,179.71%) Land $413,559 Building $964,971
2023	$1,991.00 Homeowner's exemption	$107,722 Land $57,528 Building $50,194	$1,165,410

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	3 in force

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 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% 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 804 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 · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks, GeoLinks.

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