Contra Costa County property record for 127 Williamson Ct, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1997 |
| Square Footage | 1,856 sqft Living Area |
| Lot Size | 4,600 sqft (0.106 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $550,000 (2004) |
| Tax Bill | $10,386.00 (2025) |
Source: Contra Costa County records · APN 161-291-017-2
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 127 WILLIAMSON CT, MARTINEZ, CA 94553-6850 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Aug 18, 2020 | Deed of Trust, Mortgage · Federal Housing Administration (FHA) Mortgage COMMERCE HOME MORTGAGE INC |
| Dec 08, 2017 | Deed of Trust, Mortgage · Conventional Mortgage MISCELLANEOUS GOVT AGCY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 29, 2004 · Amount on Record |
| Deed Sale | Jun 29, 2004 · Amount on Record |
| Prior Sale | Jul 06, 2001 · Amount on Record |
| Deed Doc Number | 2004248747 |
| Last Transfer Date | Oct 06, 2005 |
| Transfer Doc | 0000391836 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 127 WILLIAMSON CT, MARTINEZ, CA 94553-6850 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | STEWART TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000174216 |
|---|---|
| Date | Aug 18, 2020 |
| Instrument | 2020-174216 |
| Name | COMMERCE HOME MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92606 |
| Type | Federal Housing Administration (FHA) Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 127 WILLIAMSON CT, MARTINEZ, CA 94553-6850 |
| Document Number | 0000243891 |
| Instrument Date | Dec 08, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 29, 2018 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 127 WILLIAMSON CT MARTINEZ CA 945536850, MARTINEZ, CA 94553-6850 |
| Document Number | 0000243891 |
|---|---|
| Date | Dec 28, 2017 |
| Instrument | 243891 |
| Name | MISCELLANEOUS GOVT AGCY |
|---|---|
| Address | RIVERSIDE, CA 92517 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $797,606 (+2%) Land $333,541 Building $464,065 | |
| 2025 | $10,386.00 (+4.35%) | $781,967 (+4.04%) Land $327,001 Building $454,966 |
| 2023 | $9,953.00 (+1.48%) | $751,604 Land $314,304 Building $437,300 |
| 2022 | $9,808.00 |
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.
| Primary APN | 161-291-017-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 1,856 sqft Living Area |
| 1st Floor | 753 sqft 1st Floor |
| 2nd Floor | 1,103 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1997 |
| Lot Area | 4,600 sqft (0.106 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 432 sqft Garage |
| Heating System | Central Heating |
|---|
| Street Address | 127 WILLIAMSON CT |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6850 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T7586 L10 |
| Legal Subdivision | SUBDIVISION 7586 |
| Legal Tract | 7586 |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3005 |
| Census Tract | 320004 |
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