Contra Costa County property record for 4766 Blum Rd, Martinez, CA 94553 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,593 sqft · built 1960 |
| Lot Size | 0.194 acres (8,452 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $760,000 (Mar 2022) |
| Tax Bill | $10,810 (2025) |
| Deeds & Mortgages | Mar 2021 Line of Credit Mar 2022 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 159-190-033-5 |
| Primary APN | 159-190-033-5 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,593 sqft Living Area |
| 1st Floor Area | 1,593 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 8,452 sqft (0.194 acres) |
| Garage Type | Attached |
| Garage Area | 522 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 4766 BLUM RD |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3640 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8784 L1 |
| Legal Subdivision | LAS JUNTAS RHO |
| Legal Tract | 8784 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 320004 |
Source: Contra Costa County records · APN 159-190-033-5
Assessment roll updated July 14, 2026 · Last verified July 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 | 4766 BLUM RD, MARTINEZ, CA 94553-3640 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Mar 19, 2021 | Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND |
| Mar 15, 2022 | Grant Deed, Transfer · Conventional Mortgage ENVOY MORTGAGE LTD |
| Jun 12, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage FAIRWAY INDEPENDENT MORTGAGE CORP |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 15, 2022 · Amount on Record |
| Deed Sale | Mar 15, 2022 · Amount on Record |
| Prior Sale | Sep 30, 2013 · Amount on Record |
| Deed Document Number | 202246031 |
| Prior Transfer Date | Jun 08, 2020 |
| Prior Transfer Doc | 0000113675 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4766 BLUM RD, MARTINEZ, CA 94553-3640 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | TITLE365 |
| Name | Verified Name |
|---|---|
| Address | 4766 BLUM RD, MARTINEZ, CA 94553-3640 |
| Document Number | 0000083870 |
|---|---|
| Date | Mar 19, 2021 |
| Instrument | 2021-083870 |
| Name | THIRD FSLA OF CLEVELAND |
|---|---|
| Type | Lending Institution |
| Address | CLEVELAND, OH 44105 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 358 Months |
| Due | Jan 25, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 15, 2022 |
| Property Address | 4766 BLUM RD, MARTINEZ, CA 94553-3640 |
| Document Number | 0000046031 |
| Map Reference | MB 506 PG 41-44 |
| Instrument Date | Mar 05, 2022 |
| Instrument | 2022-046031 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4766 BLUM RD, MARTINEZ, CA 94553-3640 |
| Document Number | 0000046032 |
|---|---|
| Date | Mar 15, 2022 |
| Instrument | 2022-046032 |
| Name | ENVOY MORTGAGE LTD |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2052 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 12, 2020 |
| Property Address | 4766 BLUM RD, MARTINEZ, CA 94553-3640 |
| Document Number | 0000113675 |
| Map Reference | MB 506 PG 41-44 |
| Instrument Date | Jun 08, 2020 |
| Instrument | 2020-113675 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4766 BLUM RD, MARTINEZ, CA 94553-3640 |
| Document Number | 0000113676 |
|---|---|
| Date | Jun 12, 2020 |
| Instrument | 2020-113676 |
| Name | FAIRWAY INDEPENDENT MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 08, 2050 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez 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 | $822,648 (+2%) Land $541,216 Building $281,432 | |
| 2025 | $10,810.00 (+13.12%) | $806,518 (+11.09%) Land $530,604 Building $275,914 |
| 2023 | $9,556.00 (+55.26%) | $726,000 Land $478,000 Building $248,000 |
| 2022 | $6,155.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133200041, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| 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, rainfall accumulation, Severe Winter Storms, Flooding, And Mudslides |
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 244 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Fiber | 1,500 / 1,500 |
| Unwired | Fixed Wireless | 300 / 25 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, Radiate Holdings, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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