4 Hillside Rd, Antioch, CA 94509 Property Records

Contra Costa County property record for 4 Hillside Rd, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,100 sqft · built 1956
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Individual Names on File
Last Sale	$150,000 (Apr 2000)
Tax Bill	$3,075 (2025)
Flood Zone	Zone X (minimal risk)
APN	`071-072-001-2`

Property Details

APN / Parcel Number

Primary APN	`071-072-001-2`
Alternative APN	`071-072-001`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,100 sqft Living Area
1st Floor Area	1,100 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Architectural Style	Traditional
Exterior Material	Wood Siding
Roof Material	Wood Shingle
Lot Area	5,000 sqft (0.115 acres)
Garage Type	Attached
Garage Area	385 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4 HILLSIDE RD
City	ANTIOCH
State	CA
Zip	94509-4944
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	ANTIOCH HGTS SUBN #1 LOT 18
Legal Subdivision	ANTIOCH HEIGHTS SUB
Legal Lot Number	18
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1025
Census Tract	308001

Owner

Source: Contra Costa County records · APN 071-072-001-2

Assessment roll updated July 14, 2026 · Last verified July 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	4 HILLSIDE RD, ANTIOCH, CA 94509-4944
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 14, 2000 · Amount on Record
Deed Sale	Apr 14, 2000 · Amount on Record
Deed Document Number	200075330
Last Transfer Date	Apr 21, 2004
Transfer Doc	0000153699
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Antioch City
Unified School District	Antioch Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$235,130 (+2%) Land $103,454 Building $131,676
2025	$3,075.00 (+5.92%) Homeowner's exemption	$230,521 (+4.04%) Land $101,426 Building $129,095
2023	$2,903.00 (+1.47%) Homeowner's exemption	$221,572 Land $97,489 Building $124,083
2022	$2,861.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	3 (1998–2004)
Claims Outside the SFHA	3 of 3
Most Recent Claim	Nov 2004 · rainfall accumulation
Claims by Event	Severe Winter Storms And Flooding, Feb 1998 · 2 claims

Wildfire

Wildfire Risk	Low lower than 97% of the US · lower than 97.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

Based on FCC filings for 579 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF ANTIOCH serves 116,781 people
Water Source	Surface water
Last State Inspection	Jan 2024
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.