207 Robert St, Antioch, CA 94509 Property Records

Contra Costa County property record for 207 Robert St, Antioch, CA 94509

Property Summary

Property Type	Duplex
Details	4 bd · 4 ba · 1,776 sqft · built 1979
Lot Size	0.198 acres (8,625 sqft)
Owner	2 Company Names on File
Last Sale	$560,000 (Aug 2021)
Tax Bill	$7,761 (2025)
Deeds & Mortgages	Aug 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`071-094-039-6`

Property Details

APN / Parcel Number

Primary APN	`071-094-039-6`
Alternative APN	`071-094-039`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,776 sqft Living Area
1st Floor Area	1,776 sqft

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1980
Architectural Style	Duplex Single
Lot Area	8,625 sqft (0.198 acres)
Garage Type	Attached
Garage Area	1,050 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	207 ROBERT ST, 209
City	ANTIOCH
State	CA
Zip	94509-4867
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	LONE TREE HEIGHTS POR LOT 29
Legal Subdivision	LONE TREE HEIGHTS 01
Legal Lot Number	29
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1001
Census Tract	307101

Owner

Source: Contra Costa County records · APN 071-094-039-6

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 Company Names on File
Mailing Address	1075 MILLBRAE AVE, MILLBRAE, CA 94030-3065
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 23, 2021 · Amount on Record
Deed Sale	Aug 23, 2021 · Amount on Record
Prior Sale	Sep 12, 2013 · Amount on Record
Deed Document Number	2021233999
Prior Transfer Date	May 24, 2012
Prior Transfer Doc	0000132442
Record Updated	Sep 20, 2026

August 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 23, 2021
Property Address	207 ROBERT ST, ANTIOCH, CA 94509-4867
Document Number	0000233999
Map Reference	MB 22 PG 640
Instrument Date	Jul 15, 2021
Instrument	2021-233999
Transaction Type	Transfer
Record Updated	Jun 07, 2023
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
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
Relationship	Family Trust
Address	1075 MILLBRAE AVE, MILLBRAE, CA 94030-3065

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		$606,161 (+2%) Land $270,608 Building $335,553
2025	$7,761.00 (+5.52%)	$594,276 (+4.04%) Land $265,302 Building $328,974
2023	$7,355.00 (+1.52%)	$571,200 Land $255,000 Building $316,200
2022	$7,245.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 579 locations within half a mile · 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

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, 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.