Contra Costa County property record for 409 Isabel Dr, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1987 |
| Square Footage | 2,795 sqft Living Area |
| Lot Size | 6,500 sqft (0.149 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,450,000 (2021) |
| Tax Bill | $14,403.00 (2025) |
| Primary APN | 155-450-044-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 11 Rooms |
| Building Area | 2,795 sqft Living Area |
| 1st Floor | 1,353 sqft 1st Floor |
| 2nd Floor | 1,442 sqft 2nd Floor |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1987 |
| Lot Area | 6,500 sqft (0.149 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 441 sqft Garage |
| Porch | Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Street Address | 409 ISABEL DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6614 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T05127 L0093 B |
| Legal Subdivision | SUBDIVISION 5127 |
| Legal Tract | 05127 |
| Legal Lot Number | 93 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 2 |
| Census Block | 2001 |
| Census Tract | 321102 |
Source: Contra Costa County records · APN 155-450-044-5
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 409 ISABEL DR, MARTINEZ, CA 94553-6614 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Sep 28, 2021 | Grant Deed, Transfer · Conventional Mortgage SYNERGY ONE LENDING |
| Oct 19, 2020 | Deed of Trust, Mortgage · Line of Credit POLICE CU/CALIFORNIA |
| May 26, 2020 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 28, 2021 · Amount on Record |
| Deed Sale | Sep 28, 2021 · Amount on Record |
| Prior Sale | Aug 30, 2006 · Amount on Record |
| Deed Doc Number | 2021269052 |
| Prior Transfer Date | Apr 10, 2020 |
| Prior Transfer Doc | 0000098771 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 28, 2021 |
| Property Address | 409 ISABEL DR, MARTINEZ, CA 94553-6614 |
| Document Number | 0000269052 |
| Map Reference | MB 230 PG 44 |
| Instrument Date | Sep 23, 2021 |
| Instrument | 2021-269052 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 409 ISABEL DR, MARTINEZ, CA 94553-6614 |
| Document Number | 0000269053 |
|---|---|
| Date | Sep 28, 2021 |
| Instrument | 2021-269053 |
| Name | SYNERGY ONE LENDING |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 409 ISABEL DR, MARTINEZ, CA 94553-6614 |
| Document Number | 0000251168 |
| Instrument Date | Oct 19, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Nov 06, 2020 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 409 ISABEL DR MARTINEZ CA 945536614, MARTINEZ, CA 94553-6614 |
| Document Number | 0000251168 |
|---|---|
| Date | Oct 27, 2020 |
| Instrument | 251168 |
| Name | POLICE CU/CALIFORNIA |
|---|---|
| Address | SAN BRUNO, CA 94066 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 26, 2050 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 26, 2020 |
| Property Address | 409 ISABEL DR, MARTINEZ, CA 94553-6614 |
| Document Number | 0000098771 |
| Instrument Date | Apr 10, 2020 |
| Instrument | 98771 |
| Transaction Type | Transfer |
| Record Updated | Jun 03, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 409 ISABEL DR MARTINEZ CA 945536614, MARTINEZ, CA 94553-6614 |
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 | Mount Diablo 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 | $1,200,000 (-) Land $703,449 Building $496,551 | |
| 2025 | $14,403.00 (+0.21%) | $1,200,000 (-) Land $703,449 Building $496,551 |
| 2023 | $14,373.00 (-17.21%) | $1,200,000 Land $600,000 Building $600,000 |
| 2022 | $17,361.00 |
409 Isabel Dr is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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