Contra Costa County property record for 4786 Blum Rd, Martinez, CA 94553 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1942 |
| Square Footage | 1,076 sqft Living Area |
| Lot Size | 7,405 sqft (0.17 acres) |
| Last Sale | $725,000 (2025) |
| Tax Bill | $5,557.00 (2025) |
| Primary APN | 159-200-007-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,076 sqft Living Area |
| 1st Floor | 1,076 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1942 |
| Lot Area | 7,405 sqft (0.17 acres) |
| Street Address | 4786 BLUM RD |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3640 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | POR RO LAS JUNTAS |
| Legal Subdivision | LAS JUNTAS RHO |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1019 |
| Census Tract | 320004 |
Source: Contra Costa County records · APN 159-200-007-7
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 Individual Names on File |
|---|---|
| Mailing Address | 330 STRAND AVE, PLEASANT HILL, CA 94523-2648 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 20, 2025 · Amount on Record |
| Deed Sale | Mar 20, 2025 · Amount on Record |
| Prior Sale | Aug 27, 2024 · Amount on Record |
| Deed Doc Number | 202525994 |
| Prior Transfer Date | Aug 06, 2024 |
| Prior Transfer Doc | 0000083474 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 18, 2021 |
| Property Address | 4786 BLUM RD, MARTINEZ, CA 94553-3640 |
| Document Number | 0000286381 |
| Instrument Date | Apr 17, 2020 |
| Instrument | 2021-286381 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | AMROCK INC |
| 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 |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 4786 BLUM RD, MARTINEZ, CA 94553-3640 |
| Document Number | 0000286382 |
|---|---|
| Date | Oct 18, 2021 |
| Instrument | 2021-286382 |
| Name | NEWREZ LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 343 Months |
| Due | May 01, 2050 |
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 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 | $761,500 (+90.38%) Land $459,000 Building $302,500 | |
| 2025 | $5,557.00 (+1.93%) | $400,000 (+27.38%) Land $280,000 Building $120,000 |
| 2023 | $5,452.00 (+61.49%) | $314,031 Land $234,819 Building $79,212 |
| 2022 | $3,376.00 |
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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