Contra Costa County property record for 524 Masonic St, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,146 sqft · built 1888 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $367,500 (Jun 2003) |
| Tax Bill | $7,390 (2025) |
| Deeds & Mortgages | Feb 2026 Transfer Apr 2021 Mortgage |
| Flood Zone | Zone AO (high risk) |
| APN | 372-361-003 |
| Primary APN | 372-361-003 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,146 sqft Living Area |
| 1st Floor Area | 1,146 sqft |
| Year Built | Built 1888 |
|---|---|
| Effective Year Built | Effective 1910 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Area | 160 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 524 MASONIC ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1643 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R3 |
| Legal Description | ORIGINAL SURVEY LOT 2 BLK 37 |
| Legal Subdivision | MARTINEZ |
| Legal Block | 37 |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1044 |
| Census Tract | 316000 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 524 MASONIC ST, MARTINEZ, CA 94553-1643 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Feb 26, 2026 | Intrafamily Transfer, Transfer |
| Apr 12, 2021 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 24, 2003 · Amount on Record |
| Deed Sale | Jun 24, 2003 · Amount on Record |
| Prior Sale | Apr 20, 2000 · Amount on Record |
| Deed Document Number | 2003297062 |
| Last Transfer Date | Feb 26, 2026 |
| Transfer Doc | 0000019238 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 26, 2026 |
| Property Address | 524 MASONIC ST, MARTINEZ, CA 94553-1643 |
| Document Number | 0000019238 |
| Instrument Date | Feb 26, 2026 |
| Instrument | 2026- 019238 |
| Transaction Type | Transfer |
| Record Updated | Mar 9, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 524 MASONIC ST, MARTINEZ, CA 94553-1643 |
| Investor | Possibly a Property Investor |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 524 MASONIC ST, MARTINEZ, CA 94553-1643 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|---|
| Address | 524 MASONIC ST, MARTINEZ, CA 94553-1643 |
| Document Number | 0000108468 |
|---|---|
| Date | Apr 12, 2021 |
| Instrument | 2021-108468 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 120 Months |
| Due | Apr 1, 2031 |
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 | $558,809 (+2%) Land $369,316 Building $189,493 | |
| 2025 | $7,390.00 (+6.47%) | $547,853 (+4.04%) Land $362,075 Building $185,778 |
| 2023 | $6,941.00 (+1.64%) | $526,581 Land $348,016 Building $178,565 |
| 2022 | $6,829.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AO high risk · sheet flow 1–3 ft |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 42 policies |
| Nearby Flood Policies | 42 in force |
| Nearby Flood Claims | 20 (1982–2017) |
| Claims Outside the SFHA | 4 of 20 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
| Claims by Event |
|
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect within 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 371 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Astound Broadband Fiber · Cable in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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