Contra Costa County property record for 322 Kingston Ave, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,407 sqft · built 1962 |
| Lot Size | 0.194 acres (8,470 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $815,000 (Apr 2021) |
| Tax Bill | $10,708 (2025) |
| Deeds & Mortgages | Jul 2018 Line of Credit Apr 2021 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 376-141-014-5 |
| Primary APN | 376-141-014-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,407 sqft Living Area |
| 1st Floor Area | 1,407 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1985 |
| Lot Area | 8,470 sqft (0.194 acres) |
| Garage Type | Attached |
| Garage Area | 395 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 322 KINGSTON AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4048 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R16 |
| Legal Description | TRACT 2762 LOT 3 |
| Legal Subdivision | ALHAMBRA OAKS UNIT #6 |
| Legal Tract | 2762 |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 319001 |
322 Kingston Ave is owned and occupied by two individuals who bought it in April 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 322 KINGSTON AVE, MARTINEZ, CA 94553-4048 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jul 26, 2018 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Apr 5, 2021 | Grant Deed, Transfer · VA Mortgage SUMMIT FUNDING INC |
| Sep 4, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage FIRSTBANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 5, 2021 · Amount on File |
| Deed Sale | Apr 5, 2021 · Amount on File |
| Prior Sale | Sep 11, 2013 · Amount on File |
| Deed Document Number | 2021101497 |
| Prior Transfer Date | Jun 22, 2020 |
| Prior Transfer Doc | 0000194091 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 322 KINGSTON AVE, MARTINEZ, CA 94553-4048 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | LINEAR TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000119196 |
|---|---|
| Date | Jul 26, 2018 |
| Instrument | 2018-119196 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Jun 5, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 5, 2021 |
| Property Address | 322 KINGSTON AVE, MARTINEZ, CA 94553-4048 |
| Document Number | 0000101497 |
| Map Reference | MB 80 PG 44 |
| Instrument Date | Mar 29, 2021 |
| Instrument | 2021-101497 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 322 KINGSTON AVE, MARTINEZ, CA 94553-4048 |
| Document Number | 0000101498 |
|---|---|
| Date | Apr 5, 2021 |
| Instrument | 2021-101498 |
| Name | SUMMIT FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Type | VA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 4, 2020 |
| Property Address | 322 KINGSTON AVE, MARTINEZ, CA 94553-4048 |
| Document Number | 0000194091 |
| Map Reference | MB 80 PG 44 |
| Instrument Date | Jun 22, 2020 |
| Instrument | 2020-194091 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | SOLIDIFI |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 322 KINGSTON AVE, MARTINEZ, CA 94553-4048 |
| Document Number | 0000194092 |
|---|---|
| Date | Sep 4, 2020 |
| Instrument | 2020-194092 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 178 Months |
| Due | Jul 1, 2035 |
The 2025 property tax bill for 322 Kingston Ave was $10,708.
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 | $795,000 (-1.73%) Land $469,000 Building $326,000 | |
| 2025 | $10,708.00 | $809,000 Land $477,682 Building $331,318 |
| 2023 | $10,378.00 (-5.25%) | $809,000 Land $478,000 Building $331,000 |
| 2022 | $10,953.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 322 Kingston Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2023.
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 File median of 38 policies |
| Nearby Flood Policies | 38 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.
Wildfire risk around 322 Kingston Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 422 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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