Contra Costa County property record for 22 Gateway Estates Ln, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 6 ba · 5,306 sqft · built 2021 |
| Lot Size | 0.933 acres (40,628 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $33,215 (2025) |
| Deeds & Mortgages | Mar 2021 Construction Loan Jul 2020 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 367-140-023-6 |
| Primary APN | 367-140-023-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 6 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 5,306 sqft Living Area |
| 1st Floor Area | 4,441 sqft |
| 2nd Floor Area | 865 sqft |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2021 |
| Lot Area | 40,628 sqft (0.933 acres) |
| Garage Type | Attached |
| Garage Area | 1,161 sqft |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 22 GATEWAY ESTATES LN |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-9702 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8947 L4 |
| Legal Subdivision | SUBDIVISION 8947 |
| Legal Tract | 8947 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | BRIONES |
| Census Block Group | 1 |
| Census Block | 1055 |
| Census Tract | 356002 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 22 GATEWAY ESTATES LN, MARTINEZ, CA 94553-9702 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 18, 2021 | Deed of Trust, Mortgage · Construction Mortgage FIRST REPUBLIC BANK |
| Jul 29, 2020 | Grant Deed, Transfer OLD REPUBLIC TITLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 22 GATEWAY ESTATES LN, MARTINEZ, CA 94553-9702 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE INS |
| Name | Verified Name |
|---|---|
| Address | 22 GATEWAY ESTATES LN, MARTINEZ, CA 94553-9702 |
| Document Number | 0000082444 |
|---|---|
| Date | Mar 18, 2021 |
| Instrument | 2021-082444 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 29, 2020 |
| Property Address | 22 GATEWAY ESTATES LN, MARTINEZ, CA 94553-9702 |
| Document Number | 0000155825 |
| Instrument Date | Jul 14, 2020 |
| Instrument | 155825 |
| Transaction Type | Transfer |
| Record Updated | Aug 10, 2020 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $688.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 432 DIABLO CT MARTINEZ CA 945534846, MARTINEZ, CA 94553-4846 |
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 | $2,791,241 (+2%) Land $690,050 Building $2,101,191 | |
| 2025 | $33,215.00 (+6.44%) | $2,736,512 (+4.04%) Land $676,520 Building $2,059,992 |
| 2023 | $31,205.00 (+195.42%) | $2,630,250 Land $650,250 Building $1,980,000 |
| 2022 | $10,563.00 |
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 A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 1 (2023) |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 67% of the US · above 42% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 119 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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