Contra Costa County property record for 4095 Lambert Rd, El Sobrante, CA 94803
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,578 sqft · built 1946 |
| Lot Size | 0.344 acres (14,984 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,224 (2025) |
| Deeds & Mortgages | Jan 2023 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 425-050-013-1 |
| Primary APN | 425-050-013-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,578 sqft Living Area |
| 1st Floor Area | 1,578 sqft |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 14,984 sqft (0.344 acres) |
| Street Address | 4095 LAMBERT RD |
|---|---|
| City | EL SOBRANTE |
| State | CA |
| Zip | 94803-1743 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | PARCEL MAP 40 PG 9 PCL A |
| Legal Subdivision | SANTA RITA ACRES #6 |
| Legal Tract | 40PM9 |
| Legal Lot Number | 344 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 363000 |
4095 Lambert Rd is owned and occupied by two individuals who acquired it in January 2023.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4095 LAMBERT RD, EL SOBRANTE, CA 94803-1743 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 12, 2023 |
| Transfer Doc | 0000004540 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Distribution |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 18, 2023 |
| Property Address | 4095 LAMBERT RD, EL SOBRANTE, CA 94803-1743 |
| Document Number | 0000004541 |
| Map Reference | MB 27 PG 34 |
| Instrument Date | Oct 17, 2022 |
| Instrument | 2023-004541 |
| Transaction Type | Transfer |
| Record Updated | Jan 26, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 4095 LAMBERT RD, EL SOBRANTE, CA 94803-1743 |
The 2025 property tax bill for 4095 Lambert Rd was $2,224.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $78,472 (+2%) Land $23,325 Building $55,147 | |
| 2025 | $2,224.00 | $76,934 Land $22,868 Building $54,066 |
| 2023 | $2,028.00 (-1.98%) Homeowner's exemption | $73,948 Land $21,981 Building $51,967 |
| 2022 | $2,069.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4095 Lambert Rd in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 13 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 13 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 risk around 4095 Lambert Rd is low, with a 0.02% 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 | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 481 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Sonic Telecom, T-Mobile, Unwired.
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