Contra Costa County property record for 415 Haven St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 966 sqft · built 1923 |
| Lot Size | 0.057 acres (2,500 sqft) |
| Owner | Individual Name on File |
| Last Sale | $564,000 (Aug 2024) |
| Tax Bill | $7,515 (2025) |
| Flood Zone | Zone AO (high risk) |
| APN | 372-325-005 |
| Primary APN | 372-325-005 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 966 sqft Living Area |
| 1st Floor Area | 966 sqft |
| Year Built | Built 1923 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 2,500 sqft (0.057 acres) |
| Garage Type | Attached |
| Garage Area | 160 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 415 HAVEN ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2462 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ORIGINAL SURVEY POR 6&7 52 |
| Legal Subdivision | TOWN/MARTINEZ |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 317000 |
Source: Contra Costa County records · APN 372-325-005
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 415 HAVEN ST, MARTINEZ, CA 94553-2462 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Woman |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 30, 2024 · Amount on Record |
| Deed Sale | Aug 30, 2024 · Amount on Record |
| Deed Document Number | 202485409 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $575,280 (+2%) Land $448,800 Building $126,480 | |
| 2025 | $7,515.00 (+482.11%) Homeowner's exemption | $564,000 (+1,284.39%) Land $440,000 Building $124,000 |
| 2023 | $1,291.00 (+1.18%) Homeowner's exemption | $40,740 Land $12,401 Building $28,339 |
| 2022 | $1,276.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133170002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AO sheet flow 1–3 ft |
|---|---|
| Special Flood Hazard Area | Yes |
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Flood Insurance Cost | Premium on Record median of 70 individual NFIP policies nearby |
| Nearby Flood Policies | 70 in force |
| Nearby Flood Claims | 51 (1980–2018) |
| Claims Outside the SFHA | 1 of 51 |
| Most Recent Claim | Sep 2018 |
| Claims By Storm |
|
| Wildfire Risk | Moderate above 49% of the US · above 29% of California |
|---|---|
| Wildfire Likelihood | About 1 in 990 per year |
| Exposure | Indirect within ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 853 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Fiber | 1,500 / 1,500 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Unwired, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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