1653 Observation Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 1653 Observation Ct, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,409 sqft · built 2002
Lot Size	0.249 acres (10,866 sqft)
Owner	Individual Name on Record
Last Sale	$799,000 (Jun 2026)
Tax Bill	$7,909 (2025)
Deeds & Mortgages	Jun 2026 Sale & Mortgage Sep 2021 Mortgage + 5 more
Flood Zone	Zone X (minimal risk)
APN	`055-690-011-6`

Property Details

APN / Parcel Number

Primary APN	`055-690-011-6`
Alternative APN	`055-690-011`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	3,409 sqft Living Area
1st Floor Area	2,248 sqft
2nd Floor Area	1,161 sqft

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2010
Lot Area	10,866 sqft (0.249 acres)
Garage Type	Attached
Garage Area	635 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	1653 OBSERVATION CT
City	ANTIOCH
State	CA
Zip	94531-9132
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8525 L1054
Legal Subdivision	SUBDIVISION 8525
Legal Tract	8525
Legal Lot Number	1054
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	2
Census Block	2003
Census Tract	355119

Owner

Source: Contra Costa County records, as of October 19, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Deeds, Mortgages & Sale History

Date	Document
Jun 29, 2026	Grant Deed, Transfer · Conventional Mortgage FIRST BANK
Sep 15, 2021	Deed of Trust, Mortgage · Conventional Mortgage TITAN MUTUAL LENDING INC
Aug 1, 2022	Deed of Trust, Mortgage · Conventional Mortgage ANCHOR FUNDING INC
Dec 18, 2019	Intrafamily Transfer, Transfer · Conventional Mortgage MUFG UNION BANK NA
Aug 14, 2018	Grant Deed, Transfer · Conventional Mortgage PARAMOUNT PTRS GRP
Mar 10, 2017	Quit Claim Deed, Transfer OLD REPUBLIC TITLE
Mar 10, 2017	Grant Deed, Transfer · ARM STERLING BANK & TRUST FSB

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 29, 2026 · Amount on Record
Deed Sale	Jun 29, 2026 · Amount on Record
Prior Sale	Aug 14, 2018 · Amount on Record
Deed Document Number	202668366
Prior Transfer Date	Dec 11, 2019
Prior Transfer Doc	0000226518
Record Updated	Oct 29, 2026

June 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 29, 2026
Property Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132
Document Number	0000068366
Instrument Date	Jun 26, 2026
Instrument	202668366
Transaction Type	Transfer
Record Updated	Jul 7, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPAN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$88,768.90
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132

Mortgage

Document Number	0000068367,
Date	Jun 29, 2026
Instrument	202668367

Lender

Name	FIRST BANK

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2056

Interest

Rate Type	Fixed Rate
Rate	6.36%
Initial Type	Fixed Rate
Max Rate	-1%

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132

Mortgage

Document Number	0000256517
Date	Sep 15, 2021
Instrument	2021-256517

Lender

Name	TITAN MUTUAL LENDING INC
Type	Mortgage Company
Address	IRVINE, CA 92602

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2051

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	WESTERN RESOURCES TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1653 OBSEVATION COURT, ANTIOCH, CA 94531-9132

Mortgage

Document Number	0000120916
Date	Aug 1, 2022
Instrument	2022-120916

Lender

Name	ANCHOR FUNDING INC
Type	Mortgage Company
Address	SAN DIEGO, CA 92122

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 1, 2052

December 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 18, 2019
Property Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132
Document Number	0000226518
Map Reference	MB 434 PG 10
Instrument Date	Dec 11, 2019
Instrument	2019-226518
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE CO

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	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132

Mortgage

Document Number	0000226519
Date	Dec 18, 2019
Instrument	2019-226519

Lender

Name	MUFG UNION BANK NA
Type	Bank

Agreement

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

August 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 14, 2018
Property Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132
Document Number	0000129655
Instrument Date	Aug 8, 2018
Instrument	129655
Transaction Type	Transfer
Record Updated	Nov 21, 2018
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$675.40
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	1653 OBSERVATION CT ANTIOCH CA 945319132, ANTIOCH, CA 94531-9132

Mortgage

Document Number	129656
Date	Aug 14, 2018
Instrument	129656

Lender

Name	PARAMOUNT PTRS GRP
Address	ROSEVILLE, CA 95661

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 13, 2048

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 10, 2017
Property Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132
Document Number	0000043293
Instrument Date	Mar 6, 2017
Instrument	43293
Transaction Type	Transfer
Record Updated	Nov 20, 2018
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	79 DORADO TERRANCE SAN FRANCISCO CA 94112, SAN FRANCISCO, CA 94112

March 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 10, 2017
Property Address	1653 OBSERVATION CT, ANTIOCH, CA 94531-9132
Document Number	0000043295
Map Reference	MB434 PG10
Instrument Date	Feb 22, 2017
Instrument	2017-043295
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

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	79 DORADO TER, SAN FRANCISCO, CA 94112-1752

Mortgage

Document Number	0000043296
Date	Mar 10, 2017
Instrument	2017-043296

Lender

Name	STERLING BANK & TRUST FSB
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	5.87%
Adjustable	Adjustable Rate Rider
Type Change Date	Apr 1, 2020
Change Frequency	Annually
Min Rate At Change	3.95%
Max Rate At Change	8.87%
Index	1-Year LIBOR
Max Rate	11.8%

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		$698,621 (+2%) Land $175,223 Building $523,398
2025	$7,909.00 (+5.96%) Homeowner's exemption	$684,924 (+4.04%) Land $171,788 Building $513,136
2023	$7,464.00 (+1.62%) Homeowner's exemption	$658,329 Land $165,118 Building $493,211
2022	$7,345.00

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	Moderate above 51% of the US · lower than 69% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 611 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250

May also be available: T-Mobile, Unwired.

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