Contra Costa County property record for 4858 S Pt, Discovery Bay, CA 94505
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,722 sqft · built 1980 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $550,000 (Nov 2008) |
| Tax Bill | $9,537 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 004-120-018-9 |
| Primary APN | 004-120-018-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,722 sqft Living Area |
| 1st Floor Area | 1,722 sqft |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 7,200 sqft (0.165 acres) |
| View / Lot | Waterfront |
| Garage Type | Attached |
| Garage Area | 451 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4858 SOUTH PT |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-9492 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | F1 |
| Legal Description | TRACT 4206 LOT 44 EX MR |
| Legal Subdivision | SUBDIVISION 4206 |
| Legal Tract | 4206 |
| Legal Lot Number | 44 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 304004 |
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 Company Names on Record |
|---|---|
| Mailing Address | 1081 SILVERHILL DR, LAFAYETTE, CA 94549-1734 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 14, 2008 · Amount on Record |
| Deed Sale | Nov 14, 2008 · Amount on Record |
| Deed Document Number | 2008249000 |
| Prior Transfer Date | Nov 7, 2008 |
| Prior Transfer Doc | 0000262961 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4858 SOUTH PT, DISCOVERY BAY, CA 94505-9492 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 1081 SILVERHILL DR, LAFAYETTE, CA 94549-1734 |
| Document Number | 0000039249 |
|---|---|
| Date | Feb 9, 2021 |
| Instrument | 2021-039249 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 1, 2051 |
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 | $722,418 (+2%) Land $328,371 Building $394,047 | |
| 2025 | $9,537.00 (+6.62%) | $708,254 (+4.04%) Land $321,933 Building $386,321 |
| 2023 | $8,945.00 (+1.57%) | $680,754 Land $309,433 Building $371,321 |
| 2022 | $8,807.00 |
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 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.
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 | 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 403 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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