Contra Costa County property record for 4819 Venner Rd, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 4.5 ba · 4,260 sqft · built 2005 |
| Lot Size | 1.57 acres (68,824 sqft) |
| Owner | Company Name on Record |
| Last Sale | $130,000 (Jul 2000) |
| Tax Bill | $19,805 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 162-142-004-9 |
| Primary APN | 162-142-004-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 16 Rooms |
| Stories | 1 Story |
| Building Area | 4,260 sqft Living Area |
| 1st Floor Area | 2,207 sqft |
| Basement Area | 2,053 sqft |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2006 |
| Lot Area | 68,824 sqft |
| Garage Type | Attached |
| Garage Area | 1,875 sqft |
| Parking Spaces | 7 Parking Spaces |
| Street Address | 4819 VENNER RD |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4546 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R40 |
| Legal Description | MUIR OAKS POR LOTS 26 & 27 |
| Legal Subdivision | MUIR OAKS |
| Legal Lot Number | 26,27 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 321101 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 4819 VENNER RD, MARTINEZ, CA 94553-4546 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 24, 2000 · Amount on Record |
| Deed Sale | Jul 24, 2000 · Amount on Record |
| Prior Sale | Oct 29, 1999 · Amount on Record |
| Deed Document Number | 2000154820 |
| Prior Transfer Date | Oct 6, 1997 |
| Prior Transfer Doc | 0000225344 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,628,961 (+2%) Land $199,795 Building $1,429,166 | |
| 2025 | $19,805.00 (+6.76%) Homeowner's exemption | $1,597,022 (+4.04%) Land $195,878 Building $1,401,144 |
| 2023 | $18,551.00 (+2.1%) Homeowner's exemption | $1,535,010 Land $188,273 Building $1,346,737 |
| 2022 | $18,170.00 |
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1981) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Nov 1981 · rainfall accumulation |
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 | Moderate above 43% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.06% 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 | CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) 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 256 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband, T-Mobile, Unwired, Verizon.
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