Contra Costa County property record for 103 Johnson Ln, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,958 sqft · built 2001 |
| Lot Size | 0.095 acres (4,130 sqft) |
| Owner | Individual Name on File |
| Last Sale | $900,000 (Mar 2024) |
| Tax Bill | $11,479 (2025) |
| Deeds & Mortgages | Mar 2024 Sale & Mortgage Oct 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 161-100-045-4 |
| Primary APN | 161-100-045-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,958 sqft Living Area |
| 1st Floor Area | 1,055 sqft |
| 2nd Floor Area | 903 sqft |
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Lot Area | 4,130 sqft (0.095 acres) |
| Garage Type | Attached |
| Garage Area | 427 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 103 JOHNSON LN |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4199 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8241 L16 |
| Legal Subdivision | SUBDIVISION 8241 |
| Legal Tract | 8241 |
| Legal Lot Number | 16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 320004 |
Source: Contra Costa County records · APN 161-100-045-4
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 | Individual Name on File |
|---|---|
| Mailing Address | 103 JOHNSON LN, MARTINEZ, CA 94553-4199 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 19, 2024 | Grant Deed, Transfer · Conventional Mortgage GUILD MORTGAGE CO |
| Oct 16, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 19, 2024 · Amount on Record |
| Deed Sale | Mar 19, 2024 · Amount on Record |
| Prior Sale | Dec 02, 2009 · Amount on Record |
| Deed Document Number | 202424981 |
| Prior Transfer Date | Nov 25, 2009 |
| Prior Transfer Doc | 0000283189 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 19, 2024 |
| Property Address | 103 JOHNSON LN, MARTINEZ, CA 94553-4199 |
| Document Number | 0000024981 |
| Map Reference | MB 419 PG 45 |
| Instrument Date | Mar 06, 2024 |
| Instrument | 2024-024981 |
| Transaction Type | Transfer |
| Record Updated | Mar 29, 2024 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| 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 | 103 JOHNSON LN, MARTINEZ, CA 94553-4199 |
| Document Number | 0000024982 |
|---|---|
| Date | Mar 19, 2024 |
| Instrument | 2024-024982 |
| Name | GUILD MORTGAGE CO |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 13 Months |
| Due | Apr 01, 2025 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 103 JOHNSON LN, MARTINEZ, CA 94553-4199 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 103 JOHNSON LN, MARTINEZ, CA 94553-4199 |
| Document Number | 0000240674 |
|---|---|
| Date | Oct 16, 2020 |
| Instrument | 2020-240674 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2050 |
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 | $936,360 (+2%) Land $478,584 Building $457,776 | |
| 2025 | $11,479.00 (+62.27%) | $918,000 (+72.08%) Land $469,200 Building $448,800 |
| 2023 | $7,074.00 (+1.78%) | $533,487 Land $217,114 Building $316,373 |
| 2022 | $6,950.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| 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; lenders make the official flood determination.
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