Contra Costa County property record for 528 Ross Cir, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,002 sqft · built 1999 |
| Lot Size | 0.135 acres (5,877 sqft) |
| Owner | Individual Name on File |
| Last Sale | $291,500 (May 2000) |
| Tax Bill | $6,241 (2025) |
| Deeds & Mortgages | May 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 380-170-015-8 |
| Primary APN | 380-170-015-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,002 sqft Living Area |
| 1st Floor Area | 1,011 sqft |
| 2nd Floor Area | 991 sqft |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 5,877 sqft (0.135 acres) |
| Garage Type | Attached |
| Garage Area | 459 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 528 ROSS CIR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2249 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T7503 L8 |
| Legal Subdivision | SUBDIVISION 7503 |
| Legal Tract | 7503 |
| Legal Lot Number | 8 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 320001 |
Source: Contra Costa County assessment roll, 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 | Individual Name on File |
|---|---|
| Mailing Address | 528 ROSS CIR, MARTINEZ, CA 94553-2249 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 26, 2000 · Amount on Record |
| Deed Sale | May 26, 2000 · Amount on Record |
| Deed Document Number | 2000108684 |
| Last Transfer Date | Feb 25, 2004 |
| Transfer Doc | 0000073657 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 528 ROSS CIR, MARTINEZ, CA 94553-2249 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | NORTH AMER TTL PLEASANTON CA |
| Name | Verified Name |
|---|
| Document Number | 0000095877 |
|---|---|
| Date | May 20, 2020 |
| Instrument | 2020-095877 |
| Name | NORTHPOINTE BANK |
|---|---|
| Type | Bank |
| Address | GRAND RAPIDS, MI 49546 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2050 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $456,179 (+2%) Land $137,945 Building $318,234 | |
| 2025 | $6,241.00 (+7.33%) Homeowner's exemption | $447,236 (+4.04%) Land $135,241 Building $311,995 |
| 2023 | $5,815.00 (+2.85%) Homeowner's exemption | $429,872 Land $129,991 Building $299,881 |
| 2022 | $5,654.00 |
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 X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 22 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 22 in force |
| Nearby Flood Claims | 11 (1986–2022) |
| Claims Outside the SFHA | 2 of 11 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, 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 | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 497 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Radiate Holdings.
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