Contra Costa County property record for 511 Arch St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1927 |
| Square Footage | 1,098 sqft Living Area |
| Lot Size | 3,600 sqft (0.083 acres) |
| Garage | Attached, 216 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $2,106.00 (2025) |
| Primary APN | 372-211-006-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,098 sqft Living Area |
| 1st Floor | 1,098 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1927 |
|---|---|
| Effective Year Built | Effective 1927 |
| Lot Area | 3,600 sqft (0.083 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 216 sqft Garage |
| Street Address | 511 ARCH ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3240 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | HIGGINS TRACT LOT 5 |
| Legal Subdivision | HIGGINS |
| Legal Lot Number | 5 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 318000 |
Source: Contra Costa County records · APN 372-211-006-5
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 | 511 ARCH ST, MARTINEZ, CA 94553-3240 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Single Person or Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Refreshed | 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 is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $113,189 (+2%) Land $69,028 Building $44,161 | |
| 2025 | $2,106.00 (+6.8%) Homeowner's exemption | $110,971 (+4.04%) Land $67,675 Building $43,296 |
| 2023 | $1,972.00 (+1.49%) Homeowner's exemption | $106,665 Land $65,049 Building $41,616 |
| 2022 | $1,943.00 |
511 Arch St is in FEMA Zone AO, inside the Special Flood Hazard Area, with direct wildfire exposure (Moderate risk).
Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026
| FEMA Flood Zone | Zone AO 1% annual chance, sheet flow 1–3 ft |
|---|---|
| Special Flood Hazard Area | Yes flood insurance required for federally backed mortgages |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Moderate 44th percentile of exposed land nationally · 26th in California |
|---|---|
| Wildfire Likelihood | Moderate — about 1 in 1,316 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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