Contra Costa County property record for 4620 Blum Rd, Apt A, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,347 sqft · built 1950 |
| Lot Size | 0.24 acres (10,454 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $3,212 (2025) |
| Deeds & Mortgages | Aug 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 159-180-014-7 |
| Primary APN | 159-180-014-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,347 sqft Living Area |
| 1st Floor Area | 1,347 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Tar & Gravel |
| Lot Area | 10,454 sqft (0.24 acres) |
| Garage Type | Attached |
| Garage Area | 540 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Floor/Wall Furnace |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4620 BLUM RD, A |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3644 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | POR RO LAS JUNTAS |
| Legal Subdivision | LAS JUNITAS RHO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 320004 |
4620 Blum Rd, Apt A is owner-occupied and held in a trust since January 2006.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4620 BLUM RD, A, MARTINEZ, CA 94553-3644 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 6, 2006 |
| Transfer Doc | 0000006139 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4620 BLUM RD APT A, A, MARTINEZ, CA 94553-3644 |
| Document Number | 0000174507 |
| Instrument Date | Aug 13, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Aug 27, 2020 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4620 BLUM RD MARTINEZ CA 945533644, MARTINEZ, CA 94553-3644 |
| Document Number | 0000174507 |
|---|---|
| Date | Aug 18, 2020 |
| Instrument | 174507 |
| Name | FLAGSTAR BK |
|---|---|
| Type | Bank |
| Address | TROY, MI 48098-2639 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Aug 17, 2050 |
The 2025 property tax bill for 4620 Blum Rd, Apt A was $3,212 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $188,876 (+2%) Land $79,008 Building $109,868 | |
| 2025 | $3,212.00 Homeowner's exemption | $185,173 Land $77,459 Building $107,714 |
| 2023 | $2,971.00 (+3.84%) Homeowner's exemption | $177,984 Land $74,452 Building $103,532 |
| 2022 | $2,861.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4620 Blum Rd, Apt A in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.
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.
Wildfire risk around 4620 Blum Rd, Apt A is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 244 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Verizon.
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