21732 Ada St, Hayward (Castro Valley), CA 94546 Property Records

Alameda County property record for 21732 Ada St, Hayward, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,182 sqft · built 1948
Lot Size	0.116 acres (5,040 sqft)
Owner	2 Individual Names on Record
Last Sale	$650,000 (Apr 2019)
Tax Bill	$11,252 (2025)
Deeds & Mortgages	Mar 2021 Mortgage May 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`415-90-92`

Property Details

APN / Parcel Number

Primary APN	`415-90-92`
Alternative APN	`415-0090-092-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,182 sqft Living Area

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1951
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,040 sqft (0.116 acres)
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	21732 ADA ST
City	CASTRO VALLEY
State	CA
Zip	94546-6302
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00007 BLK: 0001 TR: 0871
Legal Subdivision	871 EDEN TOWNSHIP
Legal Tract	0871
Legal Block	1
Legal Lot Number	7
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1003
Census Tract	431200

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	21732 ADA ST, CASTRO VALLEY, CA 94546-6302
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Mar 24, 2021	Deed of Trust, Mortgage · Conventional Mortgage NEWREZ LLC
May 5, 2020	Deed of Trust, Mortgage · Conventional Mortgage PMAC LENDING SERVICES INC
Apr 17, 2019	Grant Deed, Transfer · Conventional Mortgage BAY EQUITY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 17, 2019 · Amount on Record
Deed Sale	Apr 17, 2019 · Amount on Record
Prior Sale	Oct 3, 2003 · Amount on Record
Deed Document Number	201969590
Prior Transfer Date	Aug 7, 2001
Prior Transfer Doc	0000308195
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	21732 ADA ST, HAYWARD, CA 94546-6302
Transaction Type	Mortgage
Record Updated	Apr 15, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21732 ADA ST, CASTRO VALLEY, CA 94546-6302

Mortgage

Document Number	0000118403
Date	Mar 24, 2021
Instrument	2021118403

Lender

Name	NEWREZ LLC
Type	Non-Lending Institution
Address	FORT WASHINGTON, PA 19034

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	21732 ADA ST, HAYWARD, CA 94546-6302
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000104035
Date	May 5, 2020
Instrument	2020104035

Lender

Name	PMAC LENDING SERVICES INC
Type	Mortgage Company
Address	BREA, CA 92821

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2050

April 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 17, 2019
Property Address	21732 ADA ST, HAYWARD, CA 94546-6302
Document Number	0000069590
Instrument Date	Apr 11, 2019
Instrument	69590
Transaction Type	Transfer
Record Updated	May 7, 2019
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$715.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	21732 ADA ST CASTRO VALLEY CA 945466302, CASTRO VALLEY, CA 94546-6302

Mortgage

Document Number	69591
Date	Apr 17, 2019
Instrument	69591

Lender

Name	BAY EQUITY
Type	Funding / Finance Company
Address	SAUSALITO, CA 94965

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 16, 2049

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	Hayward Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$881,245 (+2%) Land $221,872 Building $659,373
2025	$11,252.00 (+4.3%)	$863,967 (+4.04%) Land $217,522 Building $646,445
2023	$10,788.00	$830,423 Land $209,077 Building $621,346	$717,390

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 15 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	15 in force
Nearby Flood Claims	1 (1996)
Most Recent Claim	Dec 1996 · 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	Not rated no burnable land within 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 732 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Sonic Telecom, Unwired.

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