Contra Costa County property record for 4810 Blum Rd, Apt 3, Martinez, CA 94553
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1 ba · 763 sqft · built 1973 |
| Lot Size | 0.018 acres (779 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,120 (2025) |
| Deeds & Mortgages | Nov 2019 Transfer Nov 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 159-400-010-9 |
| Primary APN | 159-400-010-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 763 sqft Living Area |
| 1st Floor Area | 763 sqft |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | Condo/Apartment |
| Lot Area | 779 sqft (0.018 acres) |
| Garage Type | Attached |
| Garage Area | 162 sqft |
| Street Address | 4810 BLUM RD, 3 |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3637 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | TRACT 5962 UNIT 10 |
| Legal Subdivision | ALDERWOOD |
| Legal Tract | 5962 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1019 |
| Census Tract | 320004 |
4810 Blum Rd, Apt 3 is held in a trust since November 2019.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 16 CRESTVIEW CT, ORINDA, CA 94563-3918 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Nov 14, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Nov 14, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Nov 8, 2019 |
| Transfer Doc | 0000203518 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 14, 2019 |
| Property Address | 4810 BLUM RD APT 3, 3, MARTINEZ, CA 94553-3637 |
| Document Number | 0000203508 |
| Instrument Date | Nov 8, 2019 |
| Instrument | 203508 |
| Transaction Type | Transfer |
| Record Updated | Nov 25, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 16 CRESTVIEW CT ORINDA CA 945633918, ORINDA, CA 94563-3918 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 14, 2019 |
| Property Address | 4810 BLUM RD APT 3, 3, MARTINEZ, CA 94553-3637 |
| Document Number | 0000203518 |
| Instrument Date | Nov 8, 2019 |
| Instrument | 203518 |
| Transaction Type | Transfer |
| Record Updated | Nov 25, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 16 CRESTVIEW CT ORINDA CA 945633918, ORINDA, CA 94563-3918 |
The 2025 property tax bill for 4810 Blum Rd, Apt 3 was $2,120.
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 | $91,915 (+2%) Land $35,349 Building $56,566 | |
| 2025 | $2,120.00 | $90,113 Land $34,656 Building $55,457 |
| 2023 | $1,972.00 (+4.34%) | $86,615 Land $33,311 Building $53,304 |
| 2022 | $1,890.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4810 Blum Rd, Apt 3 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 4810 Blum Rd, Apt 3 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 99.1% of the US · lower than 99.2% 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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