Contra Costa County property record for 4601 Discovery Pt, Discovery Bay, CA 94505
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,886 sqft · built 1984 |
| Lot Size | 0.16 acres (6,960 sqft) |
| Owner | Trust Name on File |
| Last Sale | $640,000 (Jul 2020) |
| Tax Bill | $12,283 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 004-020-008-1 |
| Primary APN | 004-020-008-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,886 sqft Living Area |
| 1st Floor Area | 1,886 sqft |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1985 |
| Lot Area | 6,960 sqft (0.16 acres) |
| View / Lot | Waterfront |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4601 DISCOVERY PT |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-9466 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | F1 |
| Legal Description | TRACT 4077 LOT 39 EX MR |
| Legal Subdivision | DISCOVERY BAY |
| Legal Tract | 4077 |
| Legal Lot Number | 39 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 304004 |
4601 Discovery Pt is held in a trust since July 2020.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 18931 CARLTON AVE, CASTRO VALLEY, CA 94546-2909 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 7, 2020 · Amount on File |
| Deed Sale | Jul 7, 2020 · Amount on File |
| Prior Sale | Feb 3, 2005 · Amount on File |
| Deed Document Number | 2020134160 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4601 Discovery Pt was $12,283.
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 | $977,806 (+2%) Land $710,889 Building $266,917 | |
| 2025 | $12,283.00 | $958,634 Land $696,950 Building $261,684 |
| 2023 | $11,561.00 (+1.58%) | $921,411 Land $669,888 Building $251,523 |
| 2022 | $11,381.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4601 Discovery Pt 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 | 1 in force |
| Nearby Flood Claims | 10 (1982–2017) |
| Claims Outside the SFHA | 4 of 10 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
| Claims by Event |
|
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 risk around 4601 Discovery Pt is low, with a 0.03% annual chance of 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 | 0.03% annual chance |
| Exposure | Indirect within 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 377 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 DSL | 100 / 20 |
May also be available: Matrix Broadband.
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