Contra Costa County property record for 1800 Trembath St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,821 sqft · built 1980 |
| Lot Size | 0.201 acres (8,732 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $250,000 (Nov 2015) |
| Tax Bill | $4,612 (2025) |
| Deeds & Mortgages | May 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 051-293-015-7 |
| Primary APN | 051-293-015-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 1,821 sqft Living Area |
| 1st Floor Area | 1,821 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Tile |
| Lot Area | 8,732 sqft (0.201 acres) |
| Garage Type | Attached |
| Garage Area | 517 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1800 TREMBATH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2144 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T05457 L0112 B |
| Legal Subdivision | MEADOWBROOK SUB #II |
| Legal Tract | 05457 |
| Legal Lot Number | 112 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 306002 |
1800 Trembath St is owned and occupied by two individuals who bought it in November 2015.
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 Individual Names on File |
|---|---|
| Mailing Address | 1800 TREMBATH ST, ANTIOCH, CA 94509-2144 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 4, 2015 · Amount on File |
| Deed Sale | Nov 4, 2015 · Amount on File |
| Prior Sale | Jun 24, 2008 · Amount on File |
| Deed Document Number | 2015231562 |
| Prior Transfer Date | Oct 29, 2015 |
| Prior Transfer Doc | 0000231562 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 14, 2018 |
| Property Address | 1800 TREMBATH ST, ANTIOCH, CA 94509-2144 |
| Document Number | 0000075456 |
| Instrument Date | May 3, 2018 |
| Instrument | 75456 |
| Transaction Type | Transfer |
| Record Updated | Jun 4, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 1800 TREMBATH ST ANTIOCH CA 945092144, ANTIOCH, CA 94509-2144 |
The 2025 property tax bill for 1800 Trembath St was $4,612.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $368,271 (+2%) Land $108,669 Building $259,602 | |
| 2025 | $4,612.00 | $361,051 Land $106,539 Building $254,512 |
| 2023 | $4,379.00 (+1.55%) | $347,032 Land $102,402 Building $244,630 |
| 2022 | $4,312.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1800 Trembath St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 1800 Trembath St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| Lead | Under 1 ppb (2022–2024) 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 279 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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