Contra Costa County property record for 3618 Otter Brook Loop, Discovery Bay, CA 94505
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 3 ba · 3,509 sqft · built 2004 |
| Lot Size | 0.152 acres (6,607 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $562,000 (Aug 2004) |
| Tax Bill | $11,202 (2025) |
| Deeds & Mortgages | Jun 2020 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 011-430-078-3 |
| Primary APN | 011-430-078-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,509 sqft Living Area |
| 1st Floor Area | 1,976 sqft |
| 2nd Floor Area | 1,533 sqft |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | Cluster |
| Lot Area | 6,607 sqft (0.152 acres) |
| View / Lot | Lake |
| Garage Type | Attached |
| Garage Area | 794 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 3618 OTTER BROOK LOOP |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-1854 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T8428 L78 |
| Legal Subdivision | SUBDIVISION 8428 |
| Legal Tract | 8428 |
| Legal Lot Number | 78 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 304007 |
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 | PO BOX 1330, DISCOVERY BAY, CA 94505-7330 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 30, 2004 · Amount on Record |
| Deed Sale | Aug 30, 2004 · Amount on Record |
| Deed Document Number | 2004334843 |
| Last Transfer Date | Mar 30, 2016 |
| Transfer Doc | 0000059154 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3618 OTTER BROOK LOOP, DISCOVERY BAY, CA 94505-1854 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000125543 |
|---|---|
| Date | Jun 26, 2020 |
| Instrument | 2020-125543 |
| Name | PAVIA FINANCIAL SERVICES INC |
|---|---|
| Type | Mortgage Company |
| Address | SAN DIEGO, CA 92127 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2050 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $839,082 (+2%) Land $149,278 Building $689,804 | |
| 2025 | $11,202.00 (+6.35%) | $822,630 (+4.04%) Land $146,351 Building $676,279 |
| 2023 | $10,533.00 (+1.65%) | $790,688 Land $140,669 Building $650,019 |
| 2022 | $10,362.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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.
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 |
| 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.
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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