Contra Costa County property record for 1820 Estudillo St, Martinez, CA 94553
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 4 bd · 3 ba · 2,572 sqft · built 1906 |
| Lot Size | 0.084 acres (3,640 sqft) |
| Owner | Trust Name on File |
| Last Sale | $234,000 (Nov 1999) |
| Tax Bill | $6,514 (2025) |
| Deeds & Mortgages | Aug 2022 Transfer |
| Flood Zone | Zone AO (high risk) |
| APN | 372-275-003-5 |
| Primary APN | 372-275-003-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,572 sqft Living Area |
| Gross Area | 2,079 sqft |
| 1st Floor Area | 1,090 sqft |
| 2nd Floor Area | 989 sqft |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1906 |
| Architectural Style | Multi-Family |
| Lot Area | 3,640 sqft (0.084 acres) |
| Street Address | 1820 ESTUDILLO ST |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2547 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Local Zoning Code | R1 |
| Legal Description | ORIGINAL SURVEY POR LOTS 1 2 7 & 8 BLK 73 |
| Legal Subdivision | MARTINEZ |
| Legal Block | 73 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2026 |
| Census Tract | 317000 |
1820 Estudillo St, a residential property, is held in a trust since August 2022.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 104 MARINA VISTA AVE, MARTINEZ, CA 94553-1032 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 1, 1999 · Amount on File |
| Deed Sale | Nov 1, 1999 · Amount on File |
| Prior Sale | May 5, 1999 · Amount on File |
| Deed Document Number | 1999289345 |
| Last Transfer Date | Aug 25, 2022 |
| Transfer Doc | 0000133102 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 29, 2022 |
| Property Address | 1820 ESTUDILLO ST, MARTINEZ, CA 94553-2547 |
| Document Number | 0000133102 |
| Instrument Date | Aug 25, 2022 |
| Instrument | 2022-133102 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 104 MARINA VISTA AVE, MARTINEZ, CA 94553-1032 |
The 2025 property tax bill for 1820 Estudillo St was $6,514.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $366,817 (+2%) Land $162,528 Building $204,289 | |
| 2025 | $6,514.00 | $359,626 Land $159,342 Building $200,284 |
| 2023 | $6,247.00 (-0.43%) | $345,662 Land $153,155 Building $192,507 |
| 2022 | $6,274.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1820 Estudillo St in Zone AO, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AO high risk · sheet flow 1–3 ft |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 70 policies |
| Nearby Flood Policies | 70 in force |
| Nearby Flood Claims | 51 (1980–2018) |
| Claims Outside the SFHA | 1 of 51 |
| Most Recent Claim | Sep 2018 |
| Claims by Event |
|
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 1820 Estudillo St is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) 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 853 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Unwired.
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