4105 Windward Ct, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 4105 Windward Ct, Discovery Bay, CA 94505

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,615 sqft · built 1992
Lot Size	0.22 acres (9,600 sqft)
Owner	Company Name on File
Last Sale	$1,353,000 (Jul 2026)
Tax Bill	$16,810 (2025)
Deeds & Mortgages	Jul 2026 Sale & Mortgage Dec 2022 Sale & Mortgage + 2 more
Flood Zone	Zone X (moderate risk)
APN	`008-100-018-4`

Property Details

APN / Parcel Number

Primary APN	`008-100-018-4`
Alternative APN	`008-100-018`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,615 sqft Living Area
1st Floor Area	2,007 sqft
2nd Floor Area	608 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1992
Effective Year Built	Effective 2004
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Tile
Lot Area	9,600 sqft (0.22 acres)
View / Lot	Bayou
Garage Type	Attached
Garage Area	631 sqft
Parking Spaces	2 Parking Spaces
Deck Area	Deck Area

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	4105 WINDWARD CT
City	DISCOVERY BAY
State	CA
Zip	94505-9509
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T6700 L118
Legal Subdivision	SUBDIVISION 6700
Legal Tract	6700
Legal Lot Number	118
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1008
Census Tract	304004

Owner

4105 Windward Ct is owned by a company that bought it in July 2026 and is owner-occupied.

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

Owner of Record	Company Name on File
Mailing Address	15 ROSLYN AVE, SAN CARLOS, CA 94070-2829
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Limited Liability Partnership

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
Jul 7, 2026	Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK
Dec 5, 2022	Grant Deed, Transfer · Conventional Mortgage WESTCOAST MORTGAGE GROUP & REALTY C
Nov 18, 2020	Quit Claim Deed, Transfer AMROCK INC
Nov 18, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 7, 2026 · Amount on File
Deed Sale	Jul 7, 2026 · Amount on File
Prior Sale	Dec 5, 2022 · Amount on File
Deed Document Number	202671184
Prior Transfer Date	Mar 13, 1997
Prior Transfer Doc	0000045239
Record Updated	Oct 29, 2026

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 7, 2026
Property Address	4105 WINDWARD CT, DISCOVERY BAY, CA 94505-9509
Document Number	0000071184
Instrument Date	Jun 30, 2026
Instrument	202671184
Transaction Type	Transfer
Record Updated	Jul 14, 2026
Title Company	LAWYERS TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$150,318.30
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership
Address	15 ROSLYN AVE, SAN CARLOS, CA 94070-2829

Mortgage

Document Number	0000071185,
Date	Jul 7, 2026
Instrument	202671185

Lender

Name	JPMORGAN CHASE BANK

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Aug 1, 2056

Interest

Rate Type	Fixed Rate
Rate	6.51%
Initial Type	Fixed Rate
Max Rate	-1%

December 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 5, 2022
Property Address	4105 WINDWARD CT, DISCOVERY BAY, CA 94505-9509
Document Number	0000180645
Map Reference	MB 307 PG 31-41
Instrument Date	Nov 21, 2022
Instrument	2022-180645
Transaction Type	Transfer
Record Updated	Dec 13, 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	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4105 WINDWARD CT, DISCOVERY BAY, CA 94505-9509

Mortgage

Document Number	0000180646
Date	Dec 5, 2022
Instrument	2022-180646

Lender

Name	WESTCOAST MORTGAGE GROUP & REALTY C
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2053

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 18, 2020
Property Address	4105 WINDWARD CT, DISCOVERY BAY, CA 94505-9509
Document Number	0000278539
Instrument Date	Nov 2, 2020
Instrument	278539
Transaction Type	Transfer
Record Updated	Dec 1, 2020
Title Company	AMROCK INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	4105 WINDWARD CT DISCOVERY BAY CA 945059509, DISCOVERY BAY, CA 94505-9509

November 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 18, 2020
Property Address	4105 WINDWARD CT, DISCOVERY BAY, CA 94505-9509
Document Number	0000278537
Map Reference	MB 307 PG 31-41
Instrument Date	Nov 2, 2020
Instrument	2020-278537
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	AMROCK LLC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	4105 WINDWARD CT, 4105, DISCOVERY BAY, CA 94505-9509

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	4105 WINDWARD CT, DISCOVERY BAY, CA 94505-9509

Mortgage

Document Number	0000278538
Date	Nov 18, 2020
Instrument	2020-278538

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	241 Months
Due	Dec 1, 2040

Tax Assessment & Valuation

The 2025 property tax bill for 4105 Windward Ct was $16,810 with a homeowner's exemption.

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		$1,406,100 (+2%) Land $557,134 Building $848,966
2025	$16,810.00 Homeowner's exemption	$1,378,530 Land $546,210 Building $832,320
2023	$15,872.00 (+102.09%) Homeowner's exemption	$1,325,000 Land $525,000 Building $800,000
2022	$7,854.00

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

Flood

FEMA maps place 4105 Windward Ct in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

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 AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	7 in force
Nearby Flood Claims	1 (1995)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows

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

Wildfire risk around 4105 Windward Ct is low, with less than 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 94% of the US · lower than 96% of California
Wildfire Likelihood	Under 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 423 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
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL	100 / 20

May also be available: Matrix Broadband.

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