Contra Costa County property record for 4305 Nelson Dr, Richmond, CA 94803
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,845 sqft · built 1955 |
| Lot Size | 0.207 acres (9,000 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,108 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 431-133-017-1 |
| Primary APN | 431-133-017-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,845 sqft Living Area |
| 1st Floor Area | 1,683 sqft |
| Basement Area | 162 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Lot Area | 9,000 sqft (0.207 acres) |
| Garage Type | Attached |
| Garage Area | 342 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 4305 NELSON DR |
|---|---|
| City | EL SOBRANTE |
| State | CA |
| Zip | 94803-2302 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 2088 LOT 468 |
| Legal Subdivision | PORTION ROUGH & READY RANCHES PARCEL 2 |
| Legal Tract | 2088 |
| Legal Lot Number | 468 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 360200 |
4305 Nelson Dr is owner-occupied and held in a trust since June 2012.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4305 NELSON DR, EL SOBRANTE, CA 94803-2302 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jun 13, 2012 |
| Transfer Doc | 0000141449 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4305 Nelson Dr was $2,108 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Richmond City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $78,649 (+2%) Land $28,163 Building $50,486 | |
| 2025 | $2,108.00 Homeowner's exemption | $77,108 Land $27,611 Building $49,497 |
| 2023 | $1,997.00 (+2.62%) Homeowner's exemption | $74,116 Land $26,540 Building $47,576 |
| 2022 | $1,946.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4305 Nelson Dr in Zone X, an area of minimal flood risk, within 500 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 minimal risk |
|---|---|
| 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 | 6 in force |
| Nearby Flood Claims | 5 (1983–2011) |
| Claims Outside the SFHA | 1 of 5 |
| Most Recent Claim | Apr 2011 · rainfall accumulation |
| 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 4305 Nelson Dr is low, with a 0.01% 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 | 0.01% 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 546 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: T-Mobile, Unwired, Verizon.
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