1830 Crescent Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 1830 Crescent Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,481 sqft · built 1949
Lot Size	0.2 acres (8,700 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,150,000 (Jul 2024)
Tax Bill	$14,568 (2025)
Deeds & Mortgages	Jan 2023 Transfer Feb 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`415-220-50`

Property Details

APN / Parcel Number

Primary APN	`415-220-50`
Alternative APN	`415-0220-050-00`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,481 sqft Living Area

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1949
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	8,700 sqft (0.2 acres)
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	1830 CRESCENT AVE
City	CASTRO VALLEY
State	CA
Zip	94546-7028
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00050 BLK: AR: 0415 PAGE: 0220
Legal Subdivision	KNOX
Legal Block	1
Legal Lot Number	9,10
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2001
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	1830 CRESCENT AVE, CASTRO VALLEY, CA 94546-7028
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jan 3, 2023	Transfer on Death Deed, Transfer NORTH AMERICAN TITLE CO INC
Feb 1, 2021	Deed of Trust, Mortgage · Conventional Mortgage FLAGSTAR BANK FSB
Apr 2, 2020	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Dec 14, 2017	Grant Deed, Transfer · Conventional Mortgage FLAGSTAR BANK FSB
Dec 14, 2017	Quit Claim Deed NORTH AMERICAN TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 9, 2024 · Amount on Record
Deed Sale	Jul 9, 2024 · Amount on Record
Prior Sale	Jan 3, 2023 · Amount on Record
Deed Document Number	202483271
Prior Transfer Date	Mar 16, 2016
Prior Transfer Doc	0000275479
Record Updated	Oct 29, 2026

January 2023: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 3, 2023
Property Address	1830 CRESCENT AVE, CASTRO VALLEY, CA 94546-7028
Document Number	0000000446
Map Reference	MB 17 PG 87
Instrument Date	Dec 30, 2022
Instrument	2023000446
Transaction Type	Transfer
Record Updated	Jan 27, 2023
Title Company	NORTH AMERICAN TITLE CO INC

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
Address	1830 CRESCENT AVE, CASTRO VALLEY, CA 94546-7028

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	1830 CRESCENT AVE, CASTRO VALLEY, CA 94546-7028
Transaction Type	Mortgage
Record Updated	Mar 23, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1830 CRESCENT AVE, CASTRO VALLEY, CA 94546-7028

Mortgage

Document Number	0000040259
Date	Feb 1, 2021
Instrument	2021040259

Lender

Name	FLAGSTAR BANK FSB
Type	Bank
Address	TROY, MI 48098

Agreement

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

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	1830 CRESCENT AVE, CASTRO VALLEY, CA 94546-7028
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000073555
Date	Apr 2, 2020
Instrument	2020073555

Lender

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

Agreement

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

December 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Dec 14, 2017
Property Address	1830 CRESCENT AVE, CASTRO VALLEY, CA 94546-7028
Document Number	0000275480
Map Reference	MB 17 PG 87
Instrument Date	Dec 11, 2017
Instrument	2017275480
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
Address	1830 CRESCENT AVE, CASTRO VALLEY, CA 94546-7028

Mortgage

Document Number	0000275481
Date	Dec 14, 2017
Instrument	2017275481

Lender

Name	FLAGSTAR BANK FSB
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2048

December 2017: Quit Claim Deed

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Dec 14, 2017
Property Address	1830 CRESCENT AVE, CASTRO VALLEY, CA 94546-7028
Document Number	0000275479
Instrument Date	Mar 16, 2016
Instrument	275479
Record Updated	Jan 14, 2020
Title Company	NORTH AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Irrevocable Trust
Address	306 AMERICAN FALLS DR RIO VISTA CA 945712257, RIO VISTA, CA 94571-2257

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		$1,166,000 (+1.39%) Land $351,900 Building $821,100
2025	$14,568.00 (+74.01%) Homeowner's exemption	$1,150,000 (+81.3%) Land $345,000 Building $805,000
2023	$8,372.00 Homeowner's exemption	$634,305 Land $218,726 Building $415,579	$757,980

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 A, within 500 ft
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

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

Wildfire Risk	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	Under 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 589 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100

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

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