2347 Mark Twain Dr, Antioch, CA 94531 Property Records

Contra Costa County property record for 2347 Mark Twain Dr, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,026 sqft · built 1993
Lot Size	0.145 acres (6,310 sqft)
Owner	2 Individual Names on File
Tax Bill	$4,531 (2025)
Flood Zone	Zone X (minimal risk)
APN	`055-160-026-5`

Property Details

APN / Parcel Number

Primary APN	`055-160-026-5`
Alternative APN	`055-160-026`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,026 sqft Living Area
1st Floor Area	1,046 sqft
2nd Floor Area	980 sqft

Exterior

Year Built	Built 1993
Effective Year Built	Effective 1993
Lot Area	6,310 sqft (0.145 acres)
Garage Type	Attached
Garage Area	562 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	2347 MARK TWAIN DR
City	ANTIOCH
State	CA
Zip	94531-8307
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T7128 L26
Legal Tract	7128
Legal Lot Number	26
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	2
Census Block	2000
Census Tract	355120

Owner

Source: Contra Costa County records · APN 055-160-026-5

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	2347 MARK TWAIN DR, ANTIOCH, CA 94531-8307
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
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		$387,611 (+2%) Land $88,402 Building $299,209
2025	$4,531.00 (+6.46%) Homeowner's exemption	$380,012 (+4.04%) Land $86,669 Building $293,343
2023	$4,256.00 (+1.58%) Homeowner's exemption	$365,257 Land $83,304 Building $281,953
2022	$4,190.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133551202, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.02% 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)
Xfinity Cable	2,000 / 250
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: T-Mobile USA, Verizon.

Based on FCC filings for 424 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA0710001, 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.