720 Topaz Ct, Antioch, CA 94509 Property Records

Contra Costa County property record for 720 Topaz Ct, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,536 sqft · built 1999
Lot Size	0.171 acres (7,435 sqft)
Owner	Individual Name on Record
Last Sale	$650,000 (Nov 2025)
Tax Bill	$5,215 (2025)
Deeds & Mortgages	Nov 2025 Sale & Mortgage Oct 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`068-640-023-5`

Property Details

APN / Parcel Number

Primary APN	`068-640-023-5`
Alternative APN	`068-640-023`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,536 sqft Living Area
1st Floor Area	1,536 sqft

Exterior

Year Built	Built 1999
Effective Year Built	Effective 2000
Lot Area	7,435 sqft (0.171 acres)
Garage Type	Attached
Garage Area	451 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	720 TOPAZ CT
City	ANTIOCH
State	CA
Zip	94509-6865
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8102 L267
Legal Subdivision	SUBDIVISION 8102
Legal Tract	8102
Legal Lot Number	267
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1001
Census Tract	355109

Owner

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

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

Owner of Record	Individual Name on Record
Mailing Address	720 TOPAZ CT, ANTIOCH, CA 94509-6865
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Man

Deeds, Mortgages & Sale History

Date	Document
Nov 13, 2025	Grant Deed, Transfer · Conventional Mortgage NEW AMERICAN FUNDING
Oct 22, 2020	Deed of Trust, Mortgage · Conventional Mortgage GUILD MORTGAGE CO
Aug 27, 2018	Grant Deed, Transfer · Conventional Mortgage GUILD MORTGAGE CO
Feb 26, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 13, 2025 · Amount on Record
Deed Sale	Nov 13, 2025 · Amount on Record
Prior Sale	Aug 27, 2018 · Amount on Record
Deed Document Number	2025127429
Prior Transfer Date	Oct 13, 2015
Prior Transfer Doc	0000214988
Record Updated	Oct 29, 2026

November 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 13, 2025
Property Address	720 TOPAZ CT, ANTIOCH, CA 94509-6865
Document Number	0000127429
Map Reference	MB 415 PG 28
Instrument Date	Nov 5, 2025
Instrument	2025- 127429
Transaction Type	Transfer
Record Updated	Nov 26, 2025
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
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
Address	720 TOPAZ CT, ANTIOCH, CA 94509-6865

Mortgage

Document Number	0000127430
Date	Nov 13, 2025
Instrument	2025- 127430

Lender

Name	NEW AMERICAN FUNDING
Type	Lending Institution
Address	14511 MYFORD RD STE 100, TUSTIN, CA 92780

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2055

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	720 TOPAZ CT, ANTIOCH, CA 94509-6865
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	720 TOPAZ CT, ANTIOCH, CA 94509-6865

Mortgage

Document Number	0000245882
Date	Oct 22, 2020
Instrument	2020-245882

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company
Address	SAN DIEGO, CA 92111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2050

August 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 27, 2018
Property Address	720 TOPAZ CT, ANTIOCH, CA 94509-6865
Document Number	0000137088
Map Reference	MB 415 PG 28
Instrument Date	Aug 17, 2018
Instrument	2018-137088
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Rounded by County

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	720 TOPAZ CT, ANTIOCH, CA 94509-6865

Mortgage

Document Number	0000137089
Date	Aug 27, 2018
Instrument	2018-137089

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2048

Mortgage

Document Number	0000137089
Date	Aug 27, 2018
Instrument	2018-137089

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company
Address	SAN DIEGO, CA 92111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2048

February 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 26, 2018
Property Address	720 TOPAZ CT, ANTIOCH, CA 94509-6865
Document Number	0000029362
Instrument Date	Feb 7, 2018
Instrument	29362
Transaction Type	Transfer
Record Updated	Mar 5, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	720 TOPAZ CT ANTIOCH CA 945096865, ANTIOCH, CA 94509-6865

Tax Assessment & Valuation

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		$650,000 (+50.63%) Land $250,000 Building $400,000
2025	$5,215.00 (+6.21%)	$431,523 (+4.04%) Land $127,583 Building $303,940
2023	$4,910.00 (+1.55%)	$414,769 Land $122,630 Building $292,139
2022	$4,835.00

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

Flood

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

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 645 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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