Contra Costa County property record for 600 J St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
|---|---|
| Bathrooms | 4.5 Baths |
| Architecture Style | Modern |
| Year Built | Built 1976 |
| Square Footage | 66,399 sqft Living Area |
| Lot Size | 3.75 acres |
| Garage | Attached, 3,800 sqft |
| Last Sale | $4,850,000 (1999) |
| Tax Bill | $155,832.00 (2025) |
Source: Contra Costa County records · APN 370-270-043
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 | Company Name on File |
|---|---|
| Mailing Address | 1777 BOTELHO DR, 250, WALNUT CREEK, CA 94596-8524 |
| Owner Type | Owner is a Company |
| Vesting | Partnership |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 09, 1999 · Amount on Record |
| Deed Sale | Nov 09, 1999 · Amount on Record |
| Deed Doc Number | 1999296192 |
| Last Transfer Date | Mar 28, 2012 |
| Transfer Doc | 0000073436 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 600 J ST, MARTINEZ, CA 94553-3961 |
| Document Number | 0000105216 |
| Instrument Date | Jun 29, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Limited Partnership |
| Address | 241 W MAIN ST LOS GATOS CA 950306818, LOS GATOS, CA 95030-6818 |
| Document Number | 0000105216 |
|---|---|
| Date | Jul 02, 2018 |
| Instrument | 105216 |
| Name | WALKER & DUNLOP |
|---|---|
| Address | 7501 WISCONSIN AVE # 1200E, BETHESDA, MD 20814-6531 |
| Amount | Amount Recorded |
|---|
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 | $7,646,049 (+1.91%) Land $2,281,039 Building $5,365,010 | |
| 2025 | $155,832.00 (+3.69%) | $7,503,006 (+3.9%) Land $2,236,313 Building $5,266,693 |
| 2023 | $150,282.00 (-1.06%) | $7,221,171 Land $2,149,475 Building $5,071,696 |
| 2022 | $151,897.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 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 |
|---|---|
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Special Flood Hazard Area | Yes |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Wildfire Risk | Moderate above 60% of the US · above 36% of California |
|---|---|
| Wildfire Likelihood | About 1 in 625 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 370-270-043 |
|---|---|
| Alternative APN |
|
| Full Baths | 4.5 Baths |
|---|---|
| Partial Baths | 3 Partial Baths |
| Total Rooms | 80 Rooms |
| Building Area | 66,399 sqft Living Area |
| Gross Area | 34,218 sqft Gross Area |
| 1st Floor | 34,218 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Modern Style |
| Exterior Material | Wood Siding Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Flat Roof Construction |
| Roof Material | Builtup (layered Asphalt) Roof |
| Lot Area | 163,350 sqft |
| Garage Type | Attached Garage |
| Garage Area | 3,800 sqft Garage |
| Cooling System | Wall Unit Cooling |
|---|---|
| Heating System | HVAC Heating |
| Street Address | 600 J ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3961 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Legal Description | POR RO EL PINOLE |
| Legal Subdivision | EL PINOLE RHO |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1006 |
| Census Tract | 319001 |
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