Contra Costa County property record for 1135 Henrietta St, Martinez, CA 94553
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 3,540 sqft · built 1926 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $10,519 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 374-061-003-9 |
| Primary APN | 374-061-003-9 |
|---|---|
| Alternative APN |
|
| Total Rooms | 8 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 3,540 sqft Living Area |
| Gross Area | 1,770 sqft |
| 1st Floor Area | 1,770 sqft |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1926 |
| Lot Area | 8,712 sqft (0.2 acres) |
| Street Address | 1125 HENRIETTA ST, 1135 |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1317 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Legal Description | POR RO LAS JUNTAS |
| Legal Subdivision | LUCAS |
| Legal Lot Number | 5,6 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1025 |
| Census Tract | 317000 |
1135 Henrietta St is held in a trust since March 1994.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 9995 TESLA RD, LIVERMORE, CA 94550-9763 |
| Owner Type | Company |
| Vesting | Trust |
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 | Name on Deed |
|---|---|
| Last Transfer Date | Mar 1, 1994 |
| Transfer Doc | 0000063222 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1135 Henrietta St was $10,519.
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 | $417,999 (+2%) Land $160,007 Building $257,992 | |
| 2025 | $10,519.00 | $409,804 Land $156,870 Building $252,934 |
| 2023 | $10,201.00 (-1.71%) | $393,893 Land $150,780 Building $243,113 |
| 2022 | $10,378.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1135 Henrietta St in Zone X, an area of moderate flood risk, within 100 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AO, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 1 (2006) |
| Most Recent Claim | Mar 2006 · 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.
Wildfire risk around 1135 Henrietta St 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 | 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 853 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Unwired.
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