Contra Costa County property record for 4960 Blum Rd, Martinez, CA 94553
| Property Type | Light Industrial |
|---|---|
| Details | 3,000 sqft · built 1981 |
| Lot Size | 0.38 acres (16,552 sqft) |
| Owner | Company Name on Record |
| Last Sale | $312,480 (Mar 2011) |
| Tax Bill | $5,990 (2025) |
| Deeds & Mortgages | May 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 159-210-011-7 |
| Primary APN | 159-210-011-7 |
|---|---|
| Alternative APN |
|
| Total Rooms | 2 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 3,000 sqft Gross Area |
| 1st Floor Area | 3,000 sqft |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Exterior Material | Metal |
| Construction Type | Metal Frame |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 16,552 sqft (0.38 acres) |
| Street Address | 4960 BLUM RD |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4322 |
| Property Category | Industrial |
| Property Type | Industrial > Light Industrial |
| Local Zoning Code | RB |
| Legal Description | HANSON VILLA LOT 5 |
| Legal Subdivision | HANSON VILLA |
| Legal Lot Number | 5 |
| 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, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 5444, WALNUT CREEK, CA 94596-1444 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 30, 2011 · Amount on Record |
| Deed Sale | Mar 30, 2011 · Amount on Record |
| Prior Sale | Aug 24, 1999 · Amount on Record |
| Deed Document Number | 201166006 |
| Transfer Doc | 0000226436 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 22, 2017 |
| Property Address | 4960 BLUM RD, MARTINEZ, CA 94553-4322 |
| Document Number | 0000088557 |
| Instrument Date | May 10, 2017 |
| Instrument | 88557 |
| Transaction Type | Transfer |
| Record Updated | Jun 16, 2017 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | PO BOX 5444 WALNUT CREEK CA 945961444, WALNUT CREEK, CA 94596-1444 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $408,363 (+2%) Land $163,344 Building $245,019 | |
| 2025 | $5,990.00 (+4.78%) | $400,357 (+4.04%) Land $160,142 Building $240,215 |
| 2023 | $5,717.00 (+1.98%) | $384,812 Land $153,924 Building $230,888 |
| 2022 | $5,606.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 334 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband.
5G (outdoors only) and 4G LTE
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