3621 Otter Brook Loop, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 3621 Otter Brook Loop, Discovery Bay, CA 94505

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,066 sqft · built 2003
Lot Size	0.149 acres (6,500 sqft)
Owner	Company Name on Record
Last Sale	$565,000 (May 2019)
Tax Bill	$6,782 (2025)
Deeds & Mortgages	Nov 2020 Mortgage Nov 2020 Transfer + 2 more
Flood Zone	Zone X (moderate risk)
APN	`011-430-003-1`

Property Details

APN / Parcel Number

Primary APN	`011-430-003-1`
Alternative APN	`011-430-003`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,066 sqft Living Area
1st Floor Area	2,170 sqft
2nd Floor Area	896 sqft

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2004
Architectural Style	Cluster
Lot Area	6,500 sqft (0.149 acres)
View / Lot	Lake
Garage Type	Attached
Garage Area	640 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	3621 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 L3
Legal Subdivision	SUBDIVISION 8428
Legal Tract	8428
Legal Lot Number	3
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	Company Name on Record
Mailing Address	3621 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Nov 25, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Nov 30, 2020	Quit Claim Deed, Transfer FIRST AMERICAN TITLE
May 7, 2019	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
May 7, 2019	Quit Claim Deed, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 7, 2019 · Amount on Record
Deed Sale	May 7, 2019 · Amount on Record
Prior Sale	Dec 18, 2009 · Amount on Record
Deed Document Number	201965315
Last Transfer Date	Nov 19, 2020
Transfer Doc	0000289553
Record Updated	Oct 29, 2026

November 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 25, 2020
Property Address	3621 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853
Document Number	0000288007
Map Reference	MB 436 PG 10
Instrument Date	Nov 23, 2020
Instrument	2020-288007
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN 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
Address	3621 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853

Mortgage

Document Number	0000288008
Date	Nov 25, 2020
Instrument	2020-288008

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

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

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 30, 2020
Property Address	3621 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853
Document Number	0000289553
Instrument Date	Nov 19, 2020
Instrument	289553
Transaction Type	Transfer
Record Updated	Dec 11, 2020
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3621 OTTER BROOK LOOP DISCOVERY BAY CA 945051853, DISCOVERY BAY, CA 94505-1853

May 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 7, 2019
Property Address	3621 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853
Document Number	0000065315
Map Reference	MB 436 PG 10
Instrument Date	Apr 29, 2019
Instrument	2019-065315
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN 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	3621 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853

Mortgage

Document Number	0000065316
Date	May 7, 2019
Instrument	2019-065316

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2049

May 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 7, 2019
Property Address	3621 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1853
Document Number	0000065317
Instrument Date	Apr 29, 2019
Instrument	65317
Transaction Type	Transfer
Record Updated	May 24, 2019
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	3621 OTTER LOOP BROOK LOOP DISCOVERY BAY CA 94505, DISCOVERY BAY, CA 94505

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		$427,890 (+2%) Land $104,450 Building $323,440
2025	$6,782.00 (+7.29%)	$419,501 (+4.04%) Land $102,402 Building $317,099
2023	$6,321.00 (+1.67%)	$403,214 Land $98,427 Building $304,787
2022	$6,217.00

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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