Contra Costa County property record for 403 H St, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 694 sqft · built 1926 |
| Lot Size | 0.086 acres (3,760 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $460,000 (Oct 2017) |
| Tax Bill | $6,969 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Oct 2017 Sale & Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 370-082-017-2 |
| Primary APN | 370-082-017-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 694 sqft Living Area |
| 1st Floor Area | 694 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Bungalow |
| Lot Area | 3,760 sqft (0.086 acres) |
| Garage Type | Attached |
| Garage Area | 153 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 403 H ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3710 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | MUIR MANOR 30 |
| Legal Subdivision | MUIR MANOR |
| Legal Lot Number | 30 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 318000 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 403 H ST, MARTINEZ, CA 94553-3710 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Date | Document |
|---|---|
| Mar 24, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CORNERSTONE HOME LENDING INC |
| Oct 2, 2017 | Grant Deed, Transfer · Conventional Mortgage WALLICK & VOLK |
| Oct 2, 2017 | Quit Claim Deed, Transfer NORTH AMERICAN TITLE |
| Jan 27, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 2, 2017 · Amount on Record |
| Deed Sale | Oct 2, 2017 · Amount on Record |
| Prior Sale | Jun 24, 2013 · Amount on Record |
| Deed Document Number | 2017179864 |
| Prior Transfer Date | Sep 21, 2017 |
| Prior Transfer Doc | 0000179863 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 403 H ST, MARTINEZ, CA 94553-3710 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | STEWART TITLE OF CA INC |
| Name | Verified Name |
|---|---|
| Address | 403 H ST, MARTINEZ, CA 94553-3710 |
| Document Number | 0000088618 |
|---|---|
| Date | Mar 24, 2021 |
| Instrument | 2021-088618 |
| Name | CORNERSTONE HOME LENDING INC |
|---|---|
| Type | Mortgage Company |
| Address | HOUSTON, TX 77027 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Apr 1, 2036 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 2, 2017 |
| Property Address | 403 H ST, MARTINEZ, CA 94553-3710 |
| Document Number | 0000179864 |
| Instrument Date | Sep 27, 2017 |
| Instrument | 179864 |
| Transaction Type | Transfer |
| Record Updated | Oct 6, 2017 |
| Title Company | NORTH AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $506.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 403 H ST MARTINEZ CA 945533710, MARTINEZ, CA 94553-3710 |
| Document Number | 179865 |
|---|---|
| Date | Oct 2, 2017 |
| Instrument | 179865 |
| Name | WALLICK & VOLK |
|---|---|
| Address | CHEYENNE, WY 82001 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Oct 1, 2037 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 2, 2017 |
| Property Address | 403 H ST, MARTINEZ, CA 94553-3710 |
| Document Number | 0000179863 |
| Instrument Date | Sep 21, 2017 |
| Instrument | 179863 |
| Transaction Type | Transfer |
| Record Updated | Oct 6, 2017 |
| Title Company | NORTH AMERICAN TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 403 H ST MARTINEZ CA 945533710, MARTINEZ, CA 94553-3710 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 27, 2017 |
| Property Address | 403 H ST, MARTINEZ, CA 94553-3710 |
| Document Number | 0000017218 |
| Instrument Date | Jan 27, 2017 |
| Instrument | 17218 |
| Transaction Type | Transfer |
| Record Updated | Feb 3, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 403 H ST MARTINEZ CA 945533710, MARTINEZ, CA 94553-3710 |
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 | $529,221 (+2%) Land $429,413 Building $99,808 | |
| 2025 | $6,969.00 (+6.51%) Homeowner's exemption | $518,845 (+4.04%) Land $420,994 Building $97,851 |
| 2023 | $6,543.00 (+1.66%) Homeowner's exemption | $498,700 Land $404,648 Building $94,052 |
| 2022 | $6,436.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 109 policies |
| Nearby Flood Policies | 109 in force |
| Nearby Flood Claims | 32 (1980–2019) |
| Claims Outside the SFHA | 3 of 32 |
| Most Recent Claim | Feb 2019 |
| 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 59% of the US · lower than 64% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 335 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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