Contra Costa County property record for 830 Lafayette St, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,252 sqft · built 1941 |
| Lot Size | 0.132 acres (5,750 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $940,000 (Jul 2022) |
| Tax Bill | $12,367 (2025) |
| Deeds & Mortgages | Jul 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 373-072-003-8 |
| Primary APN | 373-072-003-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,252 sqft Living Area |
| 1st Floor Area | 983 sqft |
| Basement Area | 269 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Lot Area | 5,750 sqft (0.132 acres) |
| Heating System | Central |
|---|
| Street Address | 830 LAFAYETTE ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1322 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | HOMESTEAD TRACT LOT 3 BLK D |
| Legal Subdivision | HOMESTEAD |
| Legal Block | D |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 317000 |
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 Company Names on Record |
|---|---|
| Mailing Address | 830 LAFAYETTE ST, MARTINEZ, CA 94553-1322 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 26, 2022 · Amount on Record |
| Deed Sale | Jul 26, 2022 · Amount on Record |
| Prior Sale | Dec 14, 2004 · Amount on Record |
| Deed Document Number | 2022118472 |
| Prior Transfer Date | Nov 30, 2012 |
| Prior Transfer Doc | 0000309478 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 26, 2022 |
| Property Address | 830 LAFAYETTE ST, MARTINEZ, CA 94553-1322 |
| Document Number | 0000118472 |
| Map Reference | MB 1 PG 14 |
| Instrument Date | Jul 15, 2022 |
| Instrument | 2022-118472 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| 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 | Joint Tenants |
| Address | 830 LAFAYETTE ST, MARTINEZ, CA 94553-1322 |
| Document Number | 0000118473 |
|---|---|
| Date | Jul 26, 2022 |
| Instrument | 2022-118473 |
| Name | WELCOME HOME FUNDING LLC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 1, 2052 |
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 | $997,534 (+2%) Land $785,293 Building $212,241 | |
| 2025 | $12,367.00 (+6.5%) Homeowner's exemption | $977,976 (+4.04%) Land $769,896 Building $208,080 |
| 2023 | $11,612.00 (+72.87%) Homeowner's exemption | $940,000 Land $740,000 Building $200,000 |
| 2022 | $6,717.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 1 (2006) |
| Most Recent Claim | Mar 2006 · rainfall accumulation |
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 | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 99 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: Unwired.
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