21956 Ada St, Hayward (Castro Valley), CA 94546 Property Records

Alameda County property record for 21956 Ada St, Hayward, CA 94546

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,060 sqft · built 1948
Lot Size	0.116 acres (5,040 sqft)
Owner	Individual Name on Record
Last Sale	$737,000 (Dec 2022)
Tax Bill	$10,014 (2025)
Deeds & Mortgages	Jul 2023 Mortgage Dec 2022 Sale & Mortgage + 5 more
Flood Zone	Zone X (moderate risk)
APN	`415-90-83`

Property Details

APN / Parcel Number

Primary APN	`415-90-83`
Alternative APN	`415-0090-083-00`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,060 sqft Living Area
1st Floor Area	1,060 sqft

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1948
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,040 sqft (0.116 acres)
Garage Type	Carport
Carport	Carport

Location & Zoning

Street Address	21956 ADA ST
City	CASTRO VALLEY
State	CA
Zip	94546-6306
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00016 BLK: 0001 TR: 0871
Legal Subdivision	TRACT NO 871
Legal Tract	0871
Legal Block	1
Legal Lot Number	16
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	Individual Name on Record
Mailing Address	21956 ADA ST, CASTRO VALLEY, CA 94546-6306
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 14, 2023	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Dec 20, 2022	Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Jan 4, 2021	Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT FUNDING ASSOCIATES LP
May 19, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
May 25, 2019	Deed of Trust, Mortgage · Conventional with PMI TIGER LNS INC
Jan 24, 2019	Grant Deed, Transfer · Conventional Mortgage ALLY BANK
Sep 5, 2018	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 20, 2022 · Amount on Record
Deed Sale	Dec 20, 2022 · Amount on Record
Prior Sale	Jan 24, 2019 · Amount on Record
Deed Document Number	2022199588
Prior Transfer Date	Nov 21, 2001
Prior Transfer Doc	0000494480
Record Updated	Oct 29, 2026

July 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	21956 ADA ST, HAYWARD, CA 94546-6306
Transaction Type	Mortgage
Record Updated	Aug 14, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21956 ADA ST, CASTRO VALLEY, CA 94546-6306

Mortgage

Document Number	0000079912
Date	Jul 14, 2023
Instrument	2023079912

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

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

December 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Dec 20, 2022
Property Address	21956 ADA ST, HAYWARD, CA 94546-6306
Document Number	0000199588
Map Reference	MB 27 PG 68
Instrument Date	Dec 19, 2022
Instrument	2022199588
Transaction Type	Transfer
Record Updated	Jan 19, 2023
Title Company	PLACER TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$810.70
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21956 ADA ST, HAYWARD, CA 94546-6306

Mortgage

Document Number	0000199589
Date	Dec 20, 2022
Instrument	2022199589

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

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

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	21956 ADA ST, HAYWARD, CA 94546-6306
Transaction Type	Mortgage
Record Updated	Mar 16, 2021
Title Company	FIDELITY NATL TTL ORANGE CNT

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000739
Date	Jan 4, 2021
Instrument	2021000739

Lender

Name	PROVIDENT FUNDING ASSOCIATES LP
Type	Mortgage Company
Address	IRVINE, CA 92612

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2051

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	21956 ADA ST, HAYWARD, CA 94546-6306
Document Number	0000121218
Instrument Date	May 19, 2020
Transaction Type	Mortgage
Record Updated	Jul 8, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NAT'L TITLE ORANGE CN

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	21956 ADA ST CASTRO VALLEY CA 945466306, CASTRO VALLEY, CA 94546-6306

Mortgage

Document Number	0000121218
Date	May 27, 2020
Instrument	121218

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	CASTRO VALLEY, CA 94546-6306

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 26, 2050

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	21956 ADA ST, HAYWARD, CA 94546-6306
Document Number	0000104342
Instrument Date	May 25, 2019
Transaction Type	Mortgage
Record Updated	Jun 20, 2019
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	21956 ADA ST CASTRO VALLEY CA 945466306, CASTRO VALLEY, CA 94546-6306

Mortgage

Document Number	0000104342
Date	Jun 4, 2019
Instrument	104342

Lender

Name	TIGER LNS INC
Address	IRVINE, CA 92620

Agreement

Type	Conventional with PMI
Amount	Amount Recorded
Term	360 Months
Due	Jun 3, 2049

January 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 24, 2019
Property Address	21956 ADA ST, HAYWARD, CA 94546-6306
Document Number	0000010947
Map Reference	MB 27 PG 68
Instrument Date	Dec 28, 2018
Instrument	2019010947
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	NORTH AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
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	21956 ADA ST, CASTRO VALLEY, CA 94546-6306

Mortgage

Document Number	0000010948
Date	Jan 24, 2019
Instrument	2019010948

Lender

Name	ALLY BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2049

September 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	Sep 5, 2018
Property Address	21956 ADA ST, HAYWARD, CA 94546-6306
Document Number	0000173163
Instrument Date	Aug 28, 2018
Instrument	173163
Transaction Type	Transfer
Record Updated	Sep 25, 2018
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	21956 ADA ST CASTRO VALLEY CA 945466306, CASTRO VALLEY, CA 94546-6306

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		$775,104 (+1.09%) Land $234,631 Building $547,473
2025	$10,014.00 (+4.39%) Homeowner's exemption	$766,774 (+4.04%) Land $230,032 Building $536,742
2023	$9,593.00	$737,000 Land $221,100 Building $515,900	$648,720

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
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 744 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, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

Nearby Properties on Ada St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures