3111 Greenridge Ct, Antioch, CA 94509 Property Records

Contra Costa County property record for 3111 Greenridge Ct, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,465 sqft · built 1977
Lot Size	0.179 acres (7,790 sqft)
Owner	2 Individual Names on File
Last Sale	$610,000 (Mar 2025)
Tax Bill	$5,071 (2025)
Deeds & Mortgages	Dec 2021 Line of Credit Oct 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`068-423-015-4`

Property Details

APN / Parcel Number

Primary APN	`068-423-015-4`
Alternative APN	`068-423-015`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,465 sqft Living Area
Gross Area	1,948 sqft
1st Floor Area	1,465 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1978
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	7,790 sqft (0.179 acres)
Garage Type	Attached
Garage Area	483 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	3111 GREENRIDGE CT
City	ANTIOCH
State	CA
Zip	94509-5649
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 4662 LOT 299 EX 1/2 MR
Legal Subdivision	SUBDIVISION 4662
Legal Tract	4662
Legal Lot Number	299
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	4
Census Block	4000
Census Tract	308001

Owner

3111 Greenridge Ct is owned and occupied by two individuals who bought it in March 2025.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	3111 GREENRIDGE CT, ANTIOCH, CA 94509-5649
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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

Deeds, Mortgages & Sale History

Date	Document
Dec 27, 2021	Deed of Trust, Mortgage · Line of Credit UMPQUA BANK
Oct 27, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 5, 2025 · Amount on File
Deed Sale	Mar 5, 2025 · Amount on File
Prior Sale	Dec 20, 2001 · Amount on File
Deed Document Number	202520317
Prior Transfer Date	Oct 22, 2021
Prior Transfer Doc	0000301431
Record Updated	Sep 20, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3111 GREENRIDGE CT, ANTIOCH, CA 94509-5649
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3111 GREENRIDGE CT, ANTIOCH, CA 94509-5649

Mortgage

Document Number	0000346366
Date	Dec 27, 2021
Instrument	2021-346366

Lender

Name	UMPQUA BANK
Type	Bank
Address	ANTIOCH, CA 94509

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 27, 2021
Property Address	3111 GREENRIDGE CT, ANTIOCH, CA 94509-5649
Document Number	0000301431
Map Reference	MB 171 PG 7
Instrument Date	Oct 22, 2021
Instrument	2021-301431
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	E-PLACER TITLE, PLACER TITLE

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
Relationship	Joint Tenants
Address	3111 GREENRIDGE CT, ANTIOCH, CA 94509-5649

Mortgage

Document Number	0000301432
Date	Oct 27, 2021
Instrument	2021-301432

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company

Agreement

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

Tax Assessment & Valuation

The 2025 property tax bill for 3111 Greenridge Ct was $5,071.

Source: Contra Costa County assessment roll, as of July 14, 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

Year	Tax Bill	Assessed Value
2026		$622,200 (+52.06%) Land $255,000 Building $367,200
2025	$5,071.00 Homeowner's exemption	$409,190 Land $103,399 Building $305,791
2023	$4,816.00 (+1.6%) Homeowner's exemption	$393,303 Land $99,385 Building $293,918
2022	$4,740.00

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

Flood

FEMA maps place 3111 Greenridge Ct in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 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

The area around 3111 Greenridge Ct has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within 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	CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001
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, 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 489 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
AT&T DSL	100 / 20

May also be available: Verizon.

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