Contra Costa County property record for 1020 Doncaster Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,856 sqft · built 1976 |
| Lot Size | 0.144 acres (6,270 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $412,500 (Dec 2017) |
| Tax Bill | $5,744 (2025) |
| Deeds & Mortgages | Oct 2023 Line of Credit Sep 2019 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 071-312-009-5 |
| Primary APN | 071-312-009-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,856 sqft Living Area |
| Gross Area | 2,310 sqft |
| 1st Floor Area | 926 sqft |
| 2nd Floor Area | 930 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1976 |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 6,270 sqft (0.144 acres) |
| Garage Type | Attached |
| Garage Area | 454 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1020 DONCASTER DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-4714 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 4282 LOT 9 EX MR |
| Legal Subdivision | SUBDIVISION 4282 |
| Legal Tract | 4282 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 4 |
| Census Block | 4015 |
| Census Tract | 307102 |
Source: Contra Costa County records, as of July 14, 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 Record |
|---|---|
| Mailing Address | 1020 DONCASTER DR, ANTIOCH, CA 94509-4714 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Oct 2, 2023 | Deed of Trust, Mortgage · Line of Credit CMG MORTGAGE INC |
| Sep 27, 2019 | Deed of Trust, Mortgage · Conventional Mortgage CMG MORTGAGE INC |
| Dec 7, 2017 | Grant Deed, Transfer · FHA Mortgage CMG FINANCIAL |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 7, 2017 · Amount on Record |
| Deed Sale | Dec 7, 2017 · Amount on Record |
| Deed Document Number | 2017229640 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1020 DONCASTER DR, ANTIOCH, CA 94509-4714 |
| Transaction Type | Mortgage |
| Record Updated | Oct 10, 2023 |
| Title Company | ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000095078 |
|---|---|
| Date | Oct 2, 2023 |
| Instrument | 2023-095078 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | SAN RAMON, CA 94583 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 1, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1020 DONCASTER DR, ANTIOCH, CA 94509-4714 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000162456 |
|---|---|
| Date | Sep 27, 2019 |
| Instrument | 2019-162456 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | SAN RAMON, CA 94583 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 7, 2017 |
| Property Address | 1020 DONCASTER DR, ANTIOCH, CA 94509-4714 |
| Document Number | 0000229640 |
| Map Reference | MB158 PG31 |
| Instrument Date | Dec 4, 2017 |
| Instrument | 2017-229640 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 1020 CONCASTER DR, ANTIOCH, CA 94509 |
| Document Number | 0000229641 |
|---|---|
| Date | Dec 7, 2017 |
| Instrument | 2017-229641 |
| Name | CMG FINANCIAL |
|---|---|
| Type | Lending Institution |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2048 |
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 | $478,735 (+2%) Land $185,691 Building $293,044 | |
| 2025 | $5,744.00 (+5.16%) Homeowner's exemption | $469,349 (+4.04%) Land $182,050 Building $287,299 |
| 2023 | $5,462.00 (+1.62%) Homeowner's exemption | $451,126 Land $174,982 Building $276,144 |
| 2022 | $5,375.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 1 (1989) |
| Most Recent Claim | Sep 1989 · rainfall accumulation |
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: 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 561 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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