1640 C St, Hayward, CA 94541 Property Records

Alameda County property record for 1640 C St, Hayward, CA 94541

Property Summary

Property Type	Single Family Home
Details	6 bd · 3 ba · 2,442 sqft · built 1948
Lot Size	0.172 acres (7,500 sqft)
Owner	2 Individual Names on File
Last Sale	$115,000 (Mar 1999)
Tax Bill	$4,865 (2025)
Flood Zone	Zone X (minimal risk)
APN	`427-61-18`

Property Details

APN / Parcel Number

Primary APN	`427-61-18`
Alternative APN	`427-0061-018-00`

Interior

Bedrooms	6 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,442 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1980
Architectural Style	L-Shape
Exterior Material	Wood Siding
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	7,500 sqft (0.172 acres)
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1640 C ST
City	HAYWARD
State	CA
Zip	94541-3024
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00018 BLK: AR: 0427 PAGE: 0061
Legal Subdivision	PETERSON
Legal Block	47
Legal Lot Number	14
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2008
Census Tract	435300

Owner

Source: Alameda County assessment roll, 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 File
Mailing Address	1640 C ST, HAYWARD, CA 94541-3024
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 23, 1999 · Amount on Record
Deed Sale	Mar 23, 1999 · Amount on Record
Deed Document Number	1999124818
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Hayward City
Unified School District	Hayward Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$390,436 (+0.2%) Land $79,149 Building $318,287
2025	$4,865.00 (+2.51%) Homeowner's exemption	$389,644 (+4.04%) Land $77,597 Building $312,047
2023	$4,746.00 Homeowner's exemption	$374,516 Land $74,584 Building $299,932	$1,373,940

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; 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

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF HAYWARD serves 162,954 people · EPA ID CA0110006
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
Lead	Under 1 ppb (2023–2025) 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.

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 Communications, LLC. Fixed Wireless	250 / 100

May also be available: California Internet, Sonic Telecom, T-Mobile USA, Verizon.