Contra Costa County property record for 3617 Dewitt Ct, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,901 sqft · built 1977 |
| Lot Size | 0.218 acres (9,500 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $430,000 (Jul 2017) |
| Tax Bill | $6,044 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage Oct 2019 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 072-082-026-5 |
| Primary APN | 072-082-026-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 1,901 sqft Living Area |
| 1st Floor Area | 1,069 sqft |
| 2nd Floor Area | 832 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 9,500 sqft (0.218 acres) |
| Garage Type | Attached |
| Garage Area | 431 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3617 DEWITT CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5921 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 4668 LOT 50 |
| Legal Subdivision | SUBDIVISION 4668 |
| Legal Tract | 4668 |
| Legal Lot Number | 50 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2007 |
| 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 | 3617 DEWITT CT, ANTIOCH, CA 94509-5921 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Dec 4, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Oct 4, 2019 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jul 19, 2017 | Grant Deed, Transfer · FHA Mortgage MOUNTAIN WEST FINANCIAL INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 19, 2017 · Amount on Record |
| Deed Sale | Jul 19, 2017 · Amount on Record |
| Prior Sale | Nov 24, 2010 · Amount on Record |
| Deed Document Number | 2017128506 |
| Prior Transfer Date | Mar 2, 2016 |
| Prior Transfer Doc | 0000056734 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3617 DEWITT CT, ANTIOCH, CA 94509-5921 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 3617 DEWITT CT, ANTIOCH, CA 94509-5921 |
| Document Number | 0000303814 |
|---|---|
| Date | Dec 4, 2020 |
| Instrument | 2020-303814 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3617 DEWITT CT, ANTIOCH, CA 94509-5921 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMER TTL INS CO SANTA |
| Name | Verified Name |
|---|
| Document Number | 0000167761 |
|---|---|
| Date | Oct 4, 2019 |
| Instrument | 2019-167761 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 1, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 19, 2017 |
| Property Address | 3617 DEWITT CT, ANTIOCH, CA 94509-5921 |
| Document Number | 0000128506 |
| Map Reference | MB190 PG11 |
| Instrument Date | Jul 12, 2017 |
| Instrument | 2017-128506 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN 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 | 3617 DEWITT CT, ANTIOCH, CA 94509-5921 |
| Document Number | 0000128507 |
|---|---|
| Date | Jul 19, 2017 |
| Instrument | 2017-128507 |
| Name | MOUNTAIN WEST FINANCIAL INC |
|---|---|
| Type | Funding / Finance Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 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 | $499,046 (+2%) Land $139,267 Building $359,779 | |
| 2025 | $6,044.00 (+5.08%) | $489,262 (+4.04%) Land $136,537 Building $352,725 |
| 2023 | $5,752.00 (+1.61%) | $470,265 Land $131,236 Building $339,029 |
| 2022 | $5,661.00 |
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 |
|---|---|
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 48% of the US · lower than 71% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 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 163 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 | 100 / 20 |
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