Contra Costa County property record for 847 Shell Ave, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1956 |
| Square Footage | 1,056 sqft Living Area |
| Lot Size | 4,950 sqft (0.114 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $625,000 (2026) |
| Tax Bill | $1,687.00 (2025) |
| Primary APN | 375-131-007-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,056 sqft Living Area |
| 1st Floor | 1,056 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Lot Area | 4,950 sqft (0.114 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 280 sqft Garage |
| Street Address | 847 SHELL AVE |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3324 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | MARTINEZ LAND #6 POR LOTS 10 & 11 BLK 40 |
| Legal Subdivision | MARTINEZ LAND CO TR 06 |
| Legal Tract | 6 |
| Legal Block | 40 |
| Legal Lot Number | 10,11 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1010 |
| Census Tract | 319002 |
Source: Contra Costa County records · APN 375-131-007-3
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 | 847 SHELL AVE, MARTINEZ, CA 94553-3324 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Community Property |
| Date | Document |
|---|---|
| May 05, 2026 | Grant Deed, Transfer · Conventional Mortgage WELLSFARGOBANKNA |
| Jan 30, 2026 | Grant Deed, Transfer · Stand Alone First Mortgage KIAVI FUNDING INC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 05, 2026 · Amount on Record |
| Deed Sale | May 05, 2026 · Amount on Record |
| Prior Sale | Jan 30, 2026 · Amount on Record |
| Deed Doc Number | 202646273 |
| Prior Transfer Date | Apr 21, 2010 |
| Prior Transfer Doc | 0000080026 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 05, 2026 |
| Property Address | 847 SHELL AVE, MARTINEZ, CA 94553-3324 |
| Document Number | 0000046273 |
| Instrument Date | Apr 28, 2026 |
| Instrument | 2026.46273 |
| Transaction Type | Transfer |
| Record Updated | May 13, 2026 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $69,437.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 847 SHELL AVE, MARTINEZ, CA 94553-3324 |
| Document Number | 0000046274, |
|---|---|
| Date | May 05, 2026 |
| Instrument | 2026..46274 |
| Name | WELLSFARGOBANKNA |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.22% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 30, 2026 |
| Property Address | 847 SHELL AVE, MARTINEZ, CA 94553-3324 |
| Document Number | 0000009647 |
| Map Reference | MB 14 PG 297 |
| Instrument Date | Jan 14, 2026 |
| Instrument | 2026- 009647 |
| Transaction Type | Transfer |
| Record Updated | Feb 11, 2026 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 808 MCKINLEY POINTE LN, KNOXVILLE, TN 37934-1567 |
| Document Number | 0000009648 |
|---|---|
| Date | Jan 30, 2026 |
| Instrument | 2026- 009648 |
| Name | KIAVI FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Type | Stand Alone First 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 |
| 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 | $55,227 (+2%) Land $16,466 Building $38,761 | |
| 2025 | $1,687.00 (+9.55%) Homeowner's exemption | $54,145 (+4.04%) Land $16,144 Building $38,001 |
| 2023 | $1,540.00 (+5.84%) Homeowner's exemption | $52,044 Land $15,518 Building $36,526 |
| 2022 | $1,455.00 |
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