Contra Costa County property record for 4950 Blum Rd, Martinez, CA 94553 · Last verified August 2026
| Property Type | Light Industrial |
|---|---|
| Details | 2 bd · 1 ba · 3,024 sqft · built 2003 |
| Lot Size | 0.463 acres (20,150 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $325,000 (Oct 2001) |
| Tax Bill | $10,625 (2025) |
| Deeds & Mortgages | Jul 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 159-210-010-9 |
| Primary APN | 159-210-010-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 3,024 sqft Gross Area |
| 1st Floor Area | 3,024 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Lot Area | 20,150 sqft (0.463 acres) |
| Street Address | 4950 BLUM RD |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4322 |
| Property Category | Industrial |
| Property Type | Industrial > Light Industrial |
| Legal Description | HANSON VILLA LOT 6 |
| Legal Subdivision | HANSON VILLA |
| Legal Lot Number | 6 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 320004 |
Source: Contra Costa County records · APN 159-210-010-9
Assessment roll updated July 14, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 5326 SPRINGRIDGE CT, FAIRFIELD, CA 94534-4005 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 16, 2001 · Amount on Record |
| Deed Sale | Oct 16, 2001 · Amount on Record |
| Deed Document Number | 2001310785 |
| Last Transfer Date | Jun 27, 2022 |
| Transfer Doc | 0000110276 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 08, 2022 |
| Property Address | 4950 BLUM RD, MARTINEZ, CA 94553-4322 |
| Document Number | 0000110276 |
| Map Reference | MB 29 PG 5 |
| Instrument Date | Jun 27, 2022 |
| Instrument | 2022-110276 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Revocable Trust |
| Address | 5326 SPRINGRIDGE CT, FAIRFIELD, CA 94534-4005 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| 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 | $776,301 (+2%) Land $489,716 Building $286,585 | |
| 2025 | $10,625.00 (+6.27%) | $761,080 (+4.04%) Land $480,114 Building $280,966 |
| 2023 | $9,998.00 (+1.26%) | $731,527 Land $461,471 Building $270,056 |
| 2022 | $9,874.00 |
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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