1636 Crescent Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 1636 Crescent Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 2,542 sqft · built 1915
Lot Size	0.172 acres (7,500 sqft)
Owner	Individual Name on Record
Tax Bill	$7,747 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Feb 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`415-220-30`

Property Details

APN / Parcel Number

Primary APN	`415-220-30`
Alternative APN	`415-0220-030-00`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,542 sqft Living Area

Exterior

Year Built	Built 1915
Effective Year Built	Effective 2005
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	7,500 sqft (0.172 acres)
Parking Spaces	3 Parking Spaces

Location & Zoning

Street Address	1636 CRESCENT AVE
City	CASTRO VALLEY
State	CA
Zip	94546-7024
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00030 BLK: AR: 0415 PAGE: 0220
Legal Subdivision	KNOX
Legal Block	H
Legal Lot Number	15
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2007
Census Tract	431200

Owner

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on Record
Mailing Address	1636 CRESCENT AVE, CASTRO VALLEY, CA 94546-7024
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 13, 2021	Affidavit of Death of Joint Tenant, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Feb 4, 2019	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Oct 17, 1996
Transfer Doc	0000265992
Record Updated	Oct 29, 2026

October 2021: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	ALAMEDA CA
Recording Date	Oct 13, 2021
Property Address	1636 CRESCENT AVE, CASTRO VALLEY, CA 94546-7024
Document Number	0000339834
Map Reference	LB 17 PG 87
Instrument Date	Oct 5, 2021
Instrument	2021339834
Transaction Type	Transfer
Record Updated	Nov 2, 2021
Title Company	CHICAGO TITLE COMPANY

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	1636 CRESCENT AVE, CASTRO VALLEY, CA 94546-7024

Mortgage

Document Number	0000339835
Date	Oct 13, 2021
Instrument	2021339835

Lender

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

Agreement

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

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	1636 CRESCENT AVE, CASTRO VALLEY, CA 94546-7024
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000023521
Date	Feb 4, 2019
Instrument	2019023521

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 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		$580,348 (+2%) Land $63,515 Building $516,833
2025	$7,747.00 (+4.48%)	$568,971 (+4.04%) Land $62,270 Building $506,701
2023	$7,415.00	$546,881 Land $59,852 Building $487,029	$1,195,020

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
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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