Contra Costa County property record for 1100 Oak St, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 922 sqft · built 1926 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | Company Name on Record |
| Last Sale | $89,500 (Jun 1997) |
| Tax Bill | $2,833 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 375-271-003-2 |
| Primary APN | 375-271-003-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 922 sqft Living Area |
| 1st Floor Area | 922 sqft |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Bungalow |
| Exterior Material | Other |
| Construction Type | Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 7,200 sqft (0.165 acres) |
| Garage Type | Detached |
| Garage Area | 247 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1100 OAK ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2800 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | MARTINEZ LAND #4 LOT 4 POR 3 BLK 23 |
| Legal Subdivision | MARTINEZ LAND COMPA |
| Legal Tract | 4 |
| Legal Block | 23 |
| Legal Lot Number | 4 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 319002 |
Source: Contra Costa County records, as of October 9, 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 | 4641 SEQUOYAH RD, OAKLAND, CA 94605-4652 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 30, 1997 · Amount on Record |
| Deed Sale | Jun 30, 1997 · Amount on Record |
| Prior Sale | Jan 3, 1997 · Amount on Record |
| Deed Document Number | 1997113169 |
| Last Transfer Date | May 18, 2016 |
| Transfer Doc | 0000132078 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $148,320 (+2%) Land $99,660 Building $48,660 | |
| 2025 | $2,833.00 (+8.17%) | $145,412 (+4.04%) Land $97,706 Building $47,706 |
| 2023 | $2,619.00 (+4.05%) | $139,767 Land $93,913 Building $45,854 |
| 2022 | $2,517.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 | 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 765 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
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