531 Half Moon Ct, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 531 Half Moon Ct, Discovery Bay, CA 94505

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 4,011 sqft · built 2002
Lot Size	0.235 acres (10,228 sqft)
Owner	Individual Name on Record
Last Sale	$858,000 (Jan 2026)
Tax Bill	$8,812 (2025)
Deeds & Mortgages	Oct 2026 Transfer Feb 2026 Transfer + 4 more
Flood Zone	Zone X (moderate risk)
APN	`011-430-056-9`

Property Details

APN / Parcel Number

Primary APN	`011-430-056-9`
Alternative APN	`011-430-056`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	4,011 sqft Living Area
1st Floor Area	1,984 sqft
2nd Floor Area	2,027 sqft

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2002
Architectural Style	Cluster
Lot Area	10,228 sqft (0.235 acres)
View / Lot	Lake
Garage Type	Attached
Garage Area	438 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	531 HALF MOON CT
City	DISCOVERY BAY
State	CA
Zip	94505-1834
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T8428 L56
Legal Subdivision	SUBDIVISION 8428
Legal Tract	8428
Legal Lot Number	56
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	3
Census Block	3001
Census Tract	304007

Owner

Source: Contra Costa County records, as of October 13, 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	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 5, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Feb 26, 2026	Intrafamily Transfer, Transfer
Jan 29, 2026	Grant Deed, Transfer · Conventional Mortgage EVERETT FINANCIAL INC
Dec 1, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage FINANCE OF AMERICA MORTGAGE LLC
Jun 7, 2018	Quit Claim Deed, Transfer · Conventional Mortgage BANK OF AMERICA
Mar 16, 2018	Deed of Trust, Mortgage · Line of Credit BANK OF NAT'L TR & SVGS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 29, 2026 · Amount on Record
Deed Sale	Jan 29, 2026 · Amount on Record
Prior Sale	Nov 12, 2008 · Amount on Record
Deed Document Number	20269304
Last Transfer Date	Sep 24, 2026
Transfer Doc	0000104907
Record Updated	Oct 29, 2026

October 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 5, 2026
Property Address	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834
Document Number	0000104907
Instrument Date	Sep 24, 2026
Instrument	2026104907
Transaction Type	Transfer
Record Updated	Oct 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834

February 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 26, 2026
Property Address	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834
Document Number	0000019141
Map Reference	MB 436 PG 10
Instrument Date	Feb 4, 2026
Instrument	2026- 019141
Transaction Type	Transfer
Record Updated	Mar 9, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834

January 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 29, 2026
Property Address	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834
Document Number	0000009304
Map Reference	MB 436 PG 10
Instrument Date	Jan 14, 2026
Instrument	2026- 009304
Transaction Type	Transfer
Record Updated	Feb 9, 2026
Title Company	FIDELITY NATIONAL TITLE CO

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	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834

Mortgage

Document Number	0000009305
Date	Jan 29, 2026
Instrument	2026- 009305

Lender

Name	EVERETT FINANCIAL INC
Type	Funding / Finance Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2056

Mortgage

Document Number	0000009306
Date	Jan 29, 2026
Instrument	2026- 009306

Lender

Name	EVERETT FINANCIAL INC
Type	Funding / Finance Company
Address	14801 QUORUM DR STE 300, DALLAS, TX 75254

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	362 Months
Due	Mar 22, 2056

December 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 1, 2020
Property Address	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834
Document Number	0000291287
Map Reference	MB 436 PG 10
Instrument Date	Nov 19, 2020
Instrument	2020-291287
Transaction Type	Transfer
Record Updated	Jul 27, 2021
Title Company	CHICAGO TITLE COMPANY

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	Family Trust
Address	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834

Mortgage

Document Number	0000291288
Date	Dec 1, 2020
Instrument	2020-291288

Lender

Name	FINANCE OF AMERICA MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 1, 2050

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 7, 2018
Property Address	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834
Document Number	0000090602
Instrument Date	May 25, 2018
Instrument	90602
Transaction Type	Transfer
Record Updated	Jun 14, 2018
Title Company	LANDSAFE SERVICES INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	531 HALF MOON CT DISCOVERY BAY CA 945051834, DISCOVERY BAY, CA 94505-1834
Investor	Possibly a Property Investor

Mortgage

Document Number	90603
Date	Jun 7, 2018
Instrument	90603

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 6, 2048

March 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	531 HALF MOON CT, DISCOVERY BAY, CA 94505-1834
Document Number	0000048497
Instrument Date	Mar 16, 2018
Transaction Type	Mortgage
Record Updated	Apr 5, 2018
Title Company	AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	531 HALF MOON CT DISCOVERY BAY CA 945051834, DISCOVERY BAY, CA 94505-1834

Mortgage

Document Number	0000048497
Date	Mar 29, 2018
Instrument	48497

Lender

Name	BANK OF NAT'L TR & SVGS
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Elementary School District	Byron Union Elementary School District (KG - 08)
Secondary School District	Liberty Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$623,902 (+2%) Land $65,666 Building $558,236
2025	$8,812.00 (+6.77%) Homeowner's exemption	$611,670 (+4.04%) Land $64,379 Building $547,291
2023	$8,253.00 (+1.69%) Homeowner's exemption	$587,920 Land $61,880 Building $526,040
2022	$8,116.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

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	TOWN OF DISCOVERY BAY serves 16,790 people · EPA ID CA0710009
Water Source	Groundwater
Last State Inspection	Mar 2023
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 226 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
Verizon Fixed Wireless	300 / 20

May also be available: AT&T, T-Mobile.

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