Contra Costa County property record for 911 Walnut St, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 1,604 sqft · built 1941 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $350,000 (Sep 2015) |
| Tax Bill | $1,630 (2025) |
| Deeds & Mortgages | Aug 2021 Mortgage Jan 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 375-051-012-9 |
| Primary APN | 375-051-012-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 1,604 sqft Living Area |
| 1st Floor Area | 1,174 sqft |
| Basement Area | 430 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 210 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 911 WALNUT ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2737 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MARTINEZ LAND CO #6 POR 4&5 34 |
| Legal Subdivision | MARTINEZ LAND CO 06 |
| Legal Block | 34 |
| Legal Lot Number | 4,5 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 319002 |
Source: Contra Costa County records · APN 375-051-012-9
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 | 911 WALNUT ST, MARTINEZ, CA 94553-2737 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Date | Document |
|---|---|
| Aug 30, 2021 | Deed of Trust, Mortgage · Conventional Mortgage PATELCO CU |
| Jan 19, 2018 | Deed of Trust, Mortgage · Conventional Mortgage LENDERFI |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 10, 2015 · Amount on Record |
| Deed Sale | Sep 10, 2015 · Amount on Record |
| Deed Document Number | 2015188398 |
| Prior Transfer Date | Sep 03, 2015 |
| Prior Transfer Doc | 0000188397 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 911 WALNUT ST, MARTINEZ, CA 94553-2737 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | PLACER TITLE |
| Name | Verified Name |
|---|---|
| Address | 911 WALNUT ST, MARTINEZ, CA 94553-2737 |
| Document Number | 0000243030 |
|---|---|
| Date | Aug 30, 2021 |
| Instrument | 2021-243030 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | DUBLIN, CA 94568 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 911 WALNUT ST, MARTINEZ, CA 94553-2737 |
| Document Number | 0000012307 |
| Instrument Date | Jan 19, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jan 30, 2018 |
| Title Company | TITLE SOURCES INC |
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 911 WALNUT ST MARTINEZ CA 945532737, MARTINEZ, CA 94553-2737 |
| Document Number | 0000012307 |
|---|---|
| Date | Jan 25, 2018 |
| Instrument | 12307 |
| Name | LENDERFI |
|---|---|
| Type | Funding / Finance Company |
| Address | CALABASAS, CA 91302 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 24, 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 | Martinez Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $64,551 (+2%) Land $16,466 Building $48,085 | |
| 2025 | $1,630.00 (+6.54%) Homeowner's exemption | $63,287 (+4.04%) Land $16,144 Building $47,143 |
| 2023 | $1,530.00 (+1.26%) Homeowner's exemption | $60,831 Land $15,518 Building $45,313 |
| 2022 | $1,511.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133190021, 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 | 2 in force |
| 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 765 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Fiber | 1,500 / 1,500 |
| Unwired | Fixed Wireless | 300 / 25 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Verizon, T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures