21724 Gail Dr, Castro Valley, CA 94546 Property Records

Alameda County property record for 21724 Gail Dr, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,668 sqft · built 1966
Lot Size	0.158 acres (6,897 sqft)
Owner	Trust Name on File
Last Sale	$510,000 (Aug 2011)
Tax Bill	$8,597 (2025)
Deeds & Mortgages	Nov 2020 Mortgage Mar 2020 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`415-190-12`

Property Details

APN / Parcel Number

Primary APN	`415-190-12`
Alternative APN	`415-0190-012-00`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,668 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	6,897 sqft (0.158 acres)
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	21724 GAIL DR
City	CASTRO VALLEY
State	CA
Zip	94546-6812
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00016 BLK: 0002 TR: 2356
Legal Subdivision	TRACT 2356
Legal Tract	2356
Legal Lot Number	16
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2014
Census Tract	431200

Owner

21724 Gail Dr is held in a trust since February 2020.

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

Owner of Record	Trust Name on File
Mailing Address	6444 MOUNT OLYMPUS DR, CASTRO VALLEY, CA 94552-1935
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

Date	Document
Nov 9, 2020	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Mar 13, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Nov 18, 2019	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 31, 2011 · Amount on File
Deed Sale	Aug 31, 2011 · Amount on File
Prior Sale	Mar 21, 2011 · Amount on File
Deed Document Number	2011249628
Last Transfer Date	Feb 15, 2020
Transfer Doc	0000061526
Record Updated	Oct 29, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	21724 GAIL DR, CASTRO VALLEY, CA 94546-6812
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6444 MOUNT OLYMPUS DR, CASTRO VALLEY, CA 94552-1935

Mortgage

Document Number	0000302014
Date	Nov 9, 2020
Instrument	2020302014

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	353 Months
Due	Apr 1, 2050

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Mar 13, 2020
Property Address	21724 GAIL DR, CASTRO VALLEY, CA 94546-6812
Document Number	0000061526
Instrument Date	Feb 15, 2020
Instrument	61526
Transaction Type	Transfer
Record Updated	May 12, 2020
Title Company	NOT AVAILABLE

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	6444 MOUNT OLYMPUS DR CASTRO VALLEY CA 945521935, CASTRO VALLEY, CA 94552-1935

November 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Nov 18, 2019
Property Address	21724 GAIL DR, CASTRO VALLEY, CA 94546-6812
Document Number	0000236272
Instrument Date	Nov 5, 2019
Instrument	236272
Transaction Type	Transfer
Record Updated	Dec 23, 2019
Title Company	NOT AVAILABLE

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	21724 GAIL DR CASTRO VALLEY CA 945466812, CASTRO VALLEY, CA 94546-6812

Tax Assessment & Valuation

The 2025 property tax bill for 21724 Gail Dr was $8,597.

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		$653,360 (+2%) Land $196,008 Building $457,352
2025	$8,597.00	$640,554 Land $192,166 Building $448,388
2023	$8,234.00	$615,687 Land $184,706 Building $430,981	$1,097,460

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

Flood

FEMA maps place 21724 Gail Dr in Zone X, an area of minimal flood risk.

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

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 21724 Gail Dr is low, with less than 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 95% of the US · lower than 97% of California
Wildfire Likelihood	Under 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 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.

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