3639 Otter Brook Loop, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 3639 Otter Brook Loop, Discovery Bay, CA 94505

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.5 ba · 3,097 sqft · built 2003
Lot Size	0.142 acres (6,204 sqft)
Owner	2 Individual Names on Record
Last Sale	$333,500 (Dec 2012)
Tax Bill	$4,716 (2025)
Deeds & Mortgages	Jul 2020 Mortgage Aug 2021 Mortgage
Flood Zone	Zone X (moderate risk)
APN	`011-430-006-4`

Property Details

APN / Parcel Number

Primary APN	`011-430-006-4`
Alternative APN	`011-430-006`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,097 sqft Living Area
1st Floor Area	1,449 sqft
2nd Floor Area	1,648 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Architectural Style	Cluster
Lot Area	6,204 sqft (0.142 acres)
View / Lot	Lake
Garage Type	Attached
Garage Area	692 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	3639 OTTER BROOK LOOP
City	DISCOVERY BAY
State	CA
Zip	94505-1853
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T8428 L6
Legal Subdivision	SUBDIVISION 8428
Legal Tract	8428
Legal Lot Number	6
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 July 14, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	3639 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jul 27, 2020	Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION
Aug 10, 2021	Deed of Trust, Mortgage · Conventional Mortgage AMERISAVE MORTGAGE CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 10, 2012 · Amount on Record
Deed Sale	Dec 10, 2012 · Amount on Record
Deed Document Number	2012313524
Prior Transfer Date	Aug 25, 2003
Prior Transfer Doc	0000533353
Record Updated	Sep 20, 2026

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3639 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ORANGE COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000153586
Date	Jul 27, 2020
Instrument	2020-153586

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

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

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3639 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3639 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853

Mortgage

Document Number	0000222360
Date	Aug 10, 2021
Instrument	2021-222360

Lender

Name	AMERISAVE MORTGAGE CORP
Type	Mortgage Company
Address	ATLANTA, GA 30305

Agreement

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

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		$414,487 (+2%) Land $56,517 Building $357,970
2025	$4,716.00 (+6.38%) Disabled Person's exemption Veteran's exemption	$406,360 (+4.04%) Land $55,409 Building $350,951
2023	$4,433.00 (-26.18%) Disabled Person's exemption Veteran's exemption	$390,582 Land $53,258 Building $337,324
2022	$6,005.00

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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