Contra Costa County property record for 520 Palm Ave, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,909 sqft · built 1949 |
| Lot Size | 0.154 acres (6,720 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $3,246 (2025) |
| Deeds & Mortgages | Jul 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 376-102-007-6 |
| Primary APN | 376-102-007-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,909 sqft Living Area |
| 1st Floor Area | 1,389 sqft |
| 2nd Floor Area | 520 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Traditional |
| Exterior Material | Wood Siding |
| Roof Material | Wood Shingle |
| Lot Area | 6,720 sqft (0.154 acres) |
| Garage Type | Attached |
| Garage Area | 267 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 520 PALM AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4022 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | ALHAMBRA OAKS #1 LOT 20 |
| Legal Subdivision | ALHAMBRA OAKS #1 |
| Legal Lot Number | 20 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2022 |
| Census Tract | 319001 |
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 | 18002 HUCKLEBERRY CT, HIDDEN VALLEY LAKE, CA 95467-8063 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jun 7, 2017 |
| Transfer Doc | 0000120230 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 5, 2017 |
| Property Address | 520 PALM AVE, MARTINEZ, CA 94553-4022 |
| Document Number | 0000120230 |
| Instrument Date | Jun 7, 2017 |
| Instrument | 120230 |
| Transaction Type | Transfer |
| Record Updated | Jul 11, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 18002 HUCKLEBERRY CT HIDDEN VALLEY LAKE CA 954678063, HIDDEN VALLEY LAKE, CA 95467-8063 |
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 | $176,636 (+2%) Land $19,219 Building $157,417 | |
| 2025 | $3,246.00 (+7.8%) | $173,174 (+4.04%) Land $18,843 Building $154,331 |
| 2023 | $3,011.00 (+3.68%) | $166,451 Land $18,112 Building $148,339 |
| 2022 | $2,904.00 |
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 589 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband.
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