Contra Costa County property record for 4039 Mount Day Ct, Antioch, CA 94531 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 2001 |
| Square Footage | 1,787 sqft Living Area |
| Lot Size | 5,783 sqft (0.133 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $205,000 (2012) |
| Tax Bill | $3,345.00 (2025) |
| Primary APN | 055-620-066-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Building Area | 1,787 sqft Living Area |
| 1st Floor | 1,787 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Lot Area | 5,783 sqft (0.133 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 453 sqft Garage |
| Cooling System | Central Cooling |
|---|
| Street Address | 4039 MOUNT DAY CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8279 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T8247 L66 |
| Legal Subdivision | SUBDIVISION 8247 |
| Legal Tract | 8247 |
| Legal Lot Number | 66 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | TASSAJARA |
| Census Blockgroup | 1 |
| Census Block | 1001 |
| Census Tract | 355118 |
Source: Contra Costa County records · APN 055-620-066-5
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4039 MOUNT DAY CT, ANTIOCH, CA 94531-8279 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jul 11, 2023 | Deed of Trust, Mortgage · Line of Credit FIRST UNITED CU |
| Dec 17, 2020 | Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 30, 2012 · Amount on Record |
| Deed Sale | Mar 30, 2012 · Amount on Record |
| Prior Sale | May 02, 2005 · Amount on Record |
| Deed Doc Number | 201273080 |
| Prior Transfer Date | Jul 02, 2003 |
| Prior Transfer Doc | 0000332687 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4039 MOUNT DAY CT, ANTIOCH, CA 94531-8279 |
| Transaction Type | Mortgage |
| Record Updated | Jul 21, 2023 |
| Title Company | MEMBERS TITLE COMPANY/CA INC, MEMBERS TITLE OF CA INC |
| Name | Verified Name |
|---|---|
| Address | 4039 MOUNT DAY COURT, MEXICAN HAT, UT 84531 |
| Document Number | 0000065583 |
|---|---|
| Date | Jul 11, 2023 |
| Instrument | 2023-065583 |
| Name | FIRST UNITED CU |
|---|---|
| Type | Credit Union |
| Address | PLEASANTON, CA 94588 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 10, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4039 MOUNT DAY CT, ANTIOCH, CA 94531-8279 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | AMERICAN COAST TITLE |
| Name | Verified Name |
|---|---|
| Address | 4039 MOUNT DAY CT, ANTIOCH, CA 94531-8279 |
| Document Number | 0000317518 |
|---|---|
| Date | Dec 17, 2020 |
| Instrument | 2020-317518 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Address | FOOTHILL RANCH, CA 92610 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Dec 01, 2045 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $262,625 (+2%) Land $51,239 Building $211,386 | |
| 2025 | $3,345.00 (+6.63%) Homeowner's exemption | $257,477 (+4.04%) Land $50,235 Building $207,242 |
| 2023 | $3,137.00 (+1.42%) Homeowner's exemption | $247,481 Land $48,285 Building $199,196 |
| 2022 | $3,093.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Moderate above 43% of the US · above 25% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,429 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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