Contra Costa County property record for 803 Donham Ct, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,065 sqft · built 1986 |
| Lot Size | 0.376 acres (16,375 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $450,000 (Jan 2017) |
| Tax Bill | $6,413 (2025) |
| Deeds & Mortgages | Aug 2019 Line of Credit May 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 071-422-020-9 |
| Primary APN | 071-422-020-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,065 sqft Living Area |
| Gross Area | 3,527 sqft |
| 1st Floor Area | 1,590 sqft |
| 2nd Floor Area | 1,475 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Roof Material | Tile |
| Lot Area | 16,375 sqft (0.376 acres) |
| Garage Type | Attached |
| Garage Area | 462 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 | 803 DONHAM CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5549 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T04698 L0065 B EX MR |
| Legal Subdivision | SUBDIVISION 4698 |
| Legal Tract | 04698 |
| Legal Lot Number | 65 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 307101 |
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 | 803 DONHAM CT, ANTIOCH, CA 94509-5549 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Aug 21, 2019 | Deed of Trust, Mortgage · Line of Credit TCF NATIONAL BANK |
| May 14, 2021 | Deed of Trust, Mortgage · Conventional Mortgage EVERETT FINANCIAL INC |
| Jul 16, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage SUPREME LNDG |
| Jan 25, 2017 | Grant Deed, Transfer · Conventional Mortgage NMSI INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 25, 2017 · Amount on Record |
| Deed Sale | Jan 25, 2017 · Amount on Record |
| Prior Sale | Jun 2, 1994 · Amount on Record |
| Deed Document Number | 201715005 |
| Prior Transfer Date | May 25, 1994 |
| Prior Transfer Doc | 0000148750 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 803 DONHAM CT, ANTIOCH, CA 94509-5549 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0000133938 |
|---|---|
| Date | Aug 21, 2019 |
| Instrument | 2019-133938 |
| Name | TCF NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57106 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 23, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 803 DONHAM CT, ANTIOCH, CA 94509-5549 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Address | 803 DONHAM CT, ANTIOCH, CA 94509-5549 |
| Document Number | 0000144510 |
|---|---|
| Date | May 14, 2021 |
| Instrument | 2021-144510 |
| Name | EVERETT FINANCIAL INC |
|---|---|
| Type | Funding / Finance Company |
| Address | DALLAS, TX 75254 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 16, 2019 |
| Property Address | 803 DONHAM CT, ANTIOCH, CA 94509-5549 |
| Document Number | 0000109739 |
| Instrument Date | Jul 12, 2019 |
| Instrument | 109739 |
| Transaction Type | Transfer |
| Record Updated | Jul 23, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 803 DONHAM CT ANTIOCH CA 945095549, ANTIOCH, CA 94509-5549 |
| Document Number | 109740 |
|---|---|
| Date | Jul 16, 2019 |
| Instrument | 109740 |
| Name | SUPREME LNDG |
|---|---|
| Address | DALLAS, TX 75254 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 15, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 25, 2017 |
| Property Address | 803 DONHAM CT, ANTIOCH, CA 94509-5549 |
| Document Number | 0000015005 |
| Map Reference | MAP202 PG49 |
| Instrument Date | Jan 5, 2017 |
| Instrument | 2017-015005 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| 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 | Joint Tenants |
| Address | 803 DONHAM CT, ANTIOCH, CA 94509-5549 |
| Document Number | 0000015006 |
|---|---|
| Date | Jan 25, 2017 |
| Instrument | 2017-015006 |
| Name | NMSI INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2047 |
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 | $532,702 (+2%) Land $142,052 Building $390,650 | |
| 2025 | $6,413.00 (+5.05%) | $522,258 (+4.04%) Land $139,267 Building $382,991 |
| 2023 | $6,105.00 (+1.6%) | $501,980 Land $133,860 Building $368,120 |
| 2022 | $6,009.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 579 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
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