Contra Costa County property record for 343 Lakeside Ct, Martinez, CA 94553 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,631 sqft · built 1976 |
| Lot Size | 0.145 acres (6,325 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $587,000 (Oct 2006) |
| Tax Bill | $9,772 (2025) |
| Deeds & Mortgages | Apr 2024 Transfer Aug 2019 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 155-370-023-6 |
| Primary APN | 155-370-023-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,631 sqft Living Area |
| Gross Area | 2,072 sqft |
| 1st Floor Area | 1,631 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 6,325 sqft (0.145 acres) |
| Garage Type | Attached |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 343 LAKESIDE CT |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5428 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04822 L0023 B |
| Legal Subdivision | SUBDIVISION 4822 |
| Legal Tract | 04822 |
| Legal Lot Number | 23 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 321101 |
Source: Contra Costa County records · APN 155-370-023-6
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 343 LAKESIDE CT, MARTINEZ, CA 94553-5428 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Apr 29, 2024 | Affidavit of Death of Joint Tenant, Transfer |
| Aug 15, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Jun 17, 2019 | Deed of Trust, Mortgage · Line of Credit PROVIDENT CU |
| May 03, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 26, 2006 · Amount on Record |
| Deed Sale | Oct 26, 2006 · Amount on Record |
| Deed Document Number | 2006343311 |
| Last Transfer Date | Apr 23, 2024 |
| Transfer Doc | 0000039589 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 29, 2024 |
| Property Address | 343 LAKESIDE CT, MARTINEZ, CA 94553-5428 |
| Document Number | 0000039589 |
| Map Reference | MB 185 PG 3 |
| Instrument Date | Mar 21, 2024 |
| Instrument | 2024-039589 |
| Transaction Type | Transfer |
| Record Updated | May 08, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 15, 2019 |
| Property Address | 343 LAKESIDE CT, MARTINEZ, CA 94553-5428 |
| Document Number | 0000130038 |
| Instrument Date | Aug 13, 2019 |
| Instrument | 130038 |
| Transaction Type | Transfer |
| Record Updated | Aug 22, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 343 LAKESIDE CT MARTINEZ CA 945535428, MARTINEZ, CA 94553-5428 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 343 LAKESIDE CT, MARTINEZ, CA 94553-5428 |
| Document Number | 0000115919 |
| Instrument Date | Jun 17, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jul 31, 2019 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 343 LAKESIDE CT MARTINEZ CA 945535428, MARTINEZ, CA 94553-5428 |
| Document Number | 0000115919 |
|---|---|
| Date | Jul 25, 2019 |
| Instrument | 115919 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94065-1409 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 03, 2017 |
| Property Address | 343 LAKESIDE CT, MARTINEZ, CA 94553-5428 |
| Document Number | 0000076521 |
| Instrument Date | Apr 21, 2017 |
| Instrument | 76521 |
| Transaction Type | Transfer |
| Record Updated | May 11, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 343 LAKESIDE CT MARTINEZ CA 945535428, MARTINEZ, CA 94553-5428 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 | $802,169 (+2%) Land $560,294 Building $241,875 | |
| 2025 | $9,772.00 (+4.05%) | $786,441 (+4.04%) Land $549,308 Building $237,133 |
| 2023 | $9,392.00 (+0.84%) | $755,905 Land $527,979 Building $227,926 |
| 2022 | $9,314.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133211012, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1993) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 1993, rainfall accumulation |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 558 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Radiate Holdings, Verizon, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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