Contra Costa County property record for 323 Kingston Ave, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,416 sqft · built 1962 |
| Lot Size | 0.222 acres (9,660 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $2,000 (Nov 2001) |
| Tax Bill | $3,836 (2025) |
| Deeds & Mortgages | Mar 2021 Transfer Mar 2021 Reverse Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 376-141-008-7 |
| Primary APN | 376-141-008-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,416 sqft Living Area |
| 1st Floor Area | 1,416 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Lot Area | 9,660 sqft (0.222 acres) |
| Garage Type | Attached |
| Garage Area | 384 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 323 KINGSTON AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4015 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R16 |
| Legal Description | TRACT 2762 LOT 8 |
| Legal Subdivision | ALHAMBRA OAKS UNIT #6 |
| Legal Tract | 2762 |
| Legal Lot Number | 8 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 319001 |
323 Kingston Ave is owner-occupied and held in a trust since March 2021.
Source: Contra Costa County records, as of August 24, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 323 KINGSTON AVE, MARTINEZ, CA 94553-4015 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Mar 31, 2021 | Intrafamily Transfer, Transfer BNT TITLE COMPANY/CA, BNT TITLE COMPANY OF CA |
| Mar 31, 2021 | Intrafamily Transfer, Transfer · Reverse Mortgage FINANCE OF AMERICA REVERSE LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 8, 2001 · Amount on File |
| Deed Sale | Nov 8, 2001 · Amount on File |
| Deed Document Number | 2001344335 |
| Last Transfer Date | Mar 22, 2021 |
| Transfer Doc | 0000097064 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 31, 2021 |
| Property Address | 323 KINGSTON AVE, MARTINEZ, CA 94553-4015 |
| Document Number | 0000097063 |
| Map Reference | MB 80 PG 44 |
| Instrument Date | Mar 22, 2021 |
| Instrument | 2021-097063 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | BNT TITLE COMPANY/CA, BNT TITLE COMPANY OF CA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 323 KINGSTON AVE, MARTINEZ, CA 94553-4015 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 31, 2021 |
| Property Address | 323 KINGSTON AVE, MARTINEZ, CA 94553-4015 |
| Document Number | 0000097064 |
| Map Reference | MB 80 PG 44 |
| Instrument Date | Mar 22, 2021 |
| Instrument | 2021-097064 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | BNT TITLE COMPANY OF CA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 323 KINGSTON AVE, MARTINEZ, CA 94553-4015 |
| Document Number | 0000097065 |
|---|---|
| Date | Mar 31, 2021 |
| Instrument | 2021-097065 |
| Name | FINANCE OF AMERICA REVERSE LLC |
|---|---|
| Type | Reverse Mortgage Lender |
| Type | Reverse Mortgage |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 1.96% |
| Change Frequency | Annually |
| Index | 1-Year LIBOR |
The 2025 property tax bill for 323 Kingston Ave was $3,836.
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 | $227,857 (+2%) Land $94,869 Building $132,988 | |
| 2025 | $3,836.00 | $223,390 Land $93,009 Building $130,381 |
| 2023 | $3,565.00 (+3.39%) | $214,718 Land $89,399 Building $125,319 |
| 2022 | $3,448.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 323 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 323 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures