105 Ridgerock Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 105 Ridgerock Dr, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,362 sqft · built 1966
Lot Size	0.145 acres (6,300 sqft)
Owner	2 Individual Names on File
Last Sale	$615,000 (May 2022)
Tax Bill	$6,792 (2025)
Deeds & Mortgages	May 2022 Sale & Mortgage Feb 2022 Sale
Flood Zone	Zone X (minimal risk)
APN	`072-021-011-1`

Property Details

APN / Parcel Number

Primary APN	`072-021-011-1`
Alternative APN	`072-021-011`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,362 sqft Living Area
Gross Area	1,799 sqft
1st Floor Area	1,362 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1982
Exterior Material	Block
Construction Type	Frame
Lot Area	6,300 sqft (0.145 acres)
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	105 RIDGEROCK DR
City	ANTIOCH
State	CA
Zip	94509-6224
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 3435 POR LOTS 1 & 2 EX MR
Legal Subdivision	SUBDIVISION 3435
Legal Tract	3435
Legal Lot Number	1,2
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1002
Census Tract	355109

Owner

105 Ridgerock Dr is owned by two individuals who bought it in May 2022.

Source: Contra Costa County records, as of October 22, 2026

Owner of Record	2 Individual Names on File
Mailing Address	PO BOX 1016, FREEDOM, CA 95019-1016
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
May 6, 2022	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Feb 1, 2022	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 6, 2022 · Amount on File
Deed Sale	May 6, 2022 · Amount on File
Prior Sale	Feb 1, 2022 · Amount on File
Deed Document Number	202278966
Record Updated	Oct 29, 2026

May 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 6, 2022
Property Address	105 RIDGEROCK DR, ANTIOCH, CA 94509-6224
Document Number	0000078966
Map Reference	MB 108 PG 23
Instrument Date	May 4, 2022
Instrument	2022-078966
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
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	Community Property with Right of Survivorship
Address	105 RIDGEROCK DR, ANTIOCH, CA 94509-6224

Mortgage

Document Number	0000078967
Date	May 6, 2022
Instrument	2022-078967

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2052

February 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 1, 2022
Property Address	105 RIDGEROCK DR, ANTIOCH, CA 94509-6224
Document Number	0000020051
Map Reference	MB 108 PG 23
Instrument Date	Jan 26, 2022
Instrument	2022-020051
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
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
Address	1656 OBSERVATION CT, ANTIOCH, CA 94531-9132

Tax Assessment & Valuation

The 2025 property tax bill for 105 Ridgerock Dr was $6,792.

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		$556,000 (-) Land $253,139 Building $302,861
2025	$6,792.00	$556,000 Land $253,139 Building $302,861
2023	$6,620.00 (+100.97%)	$548,000 Land $249,000 Building $299,000
2022	$3,294.00

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

Flood

FEMA maps place 105 Ridgerock Dr 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

Wildfire risk around 105 Ridgerock Dr is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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 376 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 · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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