Contra Costa County property record for 2346 Platt Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,500 sqft · built 1972 |
| Lot Size | 0.174 acres (7,560 sqft) |
| Owner | Company Name on File |
| Last Sale | $680,000 (Dec 2020) |
| Tax Bill | $9,061 (2025) |
| Deeds & Mortgages | May 2023 Transfer May 2019 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 155-272-011 |
| Primary APN | 155-272-011 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,500 sqft Living Area |
| 1st Floor Area | 1,500 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 7,560 sqft (0.174 acres) |
| View / Lot | Canal |
| Garage Type | Attached |
| Garage Area | 451 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 2346 PLATT DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5019 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 5 |
| Legal Description | T03704 L0003 B |
| Legal Subdivision | SUBDIVISION 3704 |
| Legal Tract | 03704 |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 321101 |
Source: Contra Costa County records · APN 155-272-011
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2346 PLATT DR, MARTINEZ, CA 94553-5019 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| May 26, 2023 | Intrafamily Transfer, Transfer |
| May 20, 2019 | Deed of Trust, Mortgage · VA Mortgage UNITED WHOLESALE MORTGAGE |
| Dec 18, 2020 | Grant Deed, Transfer · VA Mortgage CALIBER HOME LOANS INC |
| Sep 05, 2018 | Grant Deed, Transfer · VA Mortgage CALIBER HM LOANS |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 18, 2020 · Amount on Record |
| Deed Sale | Dec 18, 2020 · Amount on Record |
| Prior Sale | Sep 05, 2018 · Amount on Record |
| Deed Document Number | 2020318844 |
| Last Transfer Date | May 25, 2023 |
| Transfer Doc | 0000050283 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 26, 2023 |
| Property Address | 2346 PLATT DR, MARTINEZ, CA 94553-5019 |
| Document Number | 0000050283 |
| Map Reference | MB 138 PG 10-12 |
| Instrument Date | May 25, 2023 |
| Instrument | 2023-050283 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 2346 PLATT DR, MARTINEZ, CA 94553-5019 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 2346 PLATT DR, MARTINEZ, CA 94553-5019 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000072765 |
|---|---|
| Date | May 20, 2019 |
| Instrument | 2019-072765 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 18, 2020 |
| Property Address | 2346 PLATT DR, MARTINEZ, CA 94553-5019 |
| Document Number | 0000318844 |
| Map Reference | MB 138 PG 10-12 |
| Instrument Date | Dec 14, 2020 |
| Instrument | 2020-318844 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2346 PLATT DR, MARTINEZ, CA 94553-5019 |
| Document Number | 0000318845 |
|---|---|
| Date | Dec 18, 2020 |
| Instrument | 2020-318845 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 01, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 05, 2018 |
| Property Address | 2346 PLATT DR, MARTINEZ, CA 94553-5019 |
| Document Number | 0000141669 |
| Instrument Date | Aug 24, 2018 |
| Instrument | 141669 |
| Transaction Type | Transfer |
| Record Updated | Sep 14, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $698.50 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 2346 PLATT DR MARTINEZ CA 945535019, MARTINEZ, CA 94553-5019 |
| Document Number | 141670 |
|---|---|
| Date | Sep 05, 2018 |
| Instrument | 141670 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | IRVING, TX 75063 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 04, 2048 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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 | $750,773 (+2%) Land $419,550 Building $331,223 | |
| 2025 | $9,061.00 (+2.43%) Homeowner's exemption | $736,053 (+4.04%) Land $411,324 Building $324,729 |
| 2023 | $8,846.00 (+0.83%) | $707,472 Land $395,352 Building $312,120 |
| 2022 | $8,773.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1995) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows |
| Wildfire Risk | Not rated no burnable land within 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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 688 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF MARTINEZ serves 31,015 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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