Contra Costa County property record for 4623 Milestone Ct, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,154 sqft · built 2008 |
| Lot Size | 0.15 acres (6,531 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $999,000 (May 2022) |
| Tax Bill | $9,878 (2025) |
| Deeds & Mortgages | May 2022 Sale & Mortgage Jan 2018 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-490-027-1 |
| Primary APN | 052-490-027-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,154 sqft Living Area |
| 1st Floor Area | 1,503 sqft |
| 2nd Floor Area | 1,651 sqft |
| Year Built | Built 2008 |
|---|---|
| Effective Year Built | Effective 2009 |
| Lot Area | 6,531 sqft (0.15 acres) |
| Garage Type | Attached |
| Garage Area | 744 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 4623 MILESTONE CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-7184 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6893 L64 |
| Legal Subdivision | NELSON RANCH 1 SUB 6893 |
| Legal Tract | 6893 |
| Legal Lot Number | 64 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 308002 |
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 | 1145 2ND ST, A, BRENTWOOD, CA 94513-2250 |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| May 12, 2022 | Grant Deed, Transfer · Conventional Mortgage FLAGSTAR BANK FSB |
| Jan 24, 2018 | Deed of Trust, Mortgage · Conventional Mortgage OWNIUM |
| Jan 13, 2017 | Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 12, 2022 · Amount on Record |
| Deed Sale | May 12, 2022 · Amount on Record |
| Prior Sale | Sep 23, 2009 · Amount on Record |
| Deed Document Number | 202282317 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 12, 2022 |
| Property Address | 4623 MILESTONE CT, ANTIOCH, CA 94531-7184 |
| Document Number | 0000082317 |
| Map Reference | MB 488 PG 1 |
| Instrument Date | May 5, 2022 |
| Instrument | 2022-082317 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE, 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 | Community Property with Right of Survivorship |
| Address | 1145 2ND ST # A230, A230, BRENTWOOD, CA 94513-2292 |
| Document Number | 0000082318 |
|---|---|
| Date | May 12, 2022 |
| Instrument | 2022-082318 |
| Name | FLAGSTAR BANK FSB |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.73% |
| Type Change Date | Jun 1, 2027 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3% |
| Max Rate At Change | 8.73% |
| Index | Other |
| Margin | 3 |
| Max Rate | 8.73% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4623 MILESTONE CT, ANTIOCH, CA 94531-7184 |
| Document Number | 0000014976 |
| Instrument Date | Jan 24, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2018 |
| Title Company | SPL PLACER TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4623 MILESTONE CT ANTIOCH CA 945317184, ANTIOCH, CA 94531-7184 |
| Document Number | 0000014976 |
|---|---|
| Date | Jan 30, 2018 |
| Instrument | 14976 |
| Name | OWNIUM |
|---|---|
| Address | 6444 MONROE ST # 6, SYLVANIA, OH 43560-1455 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Jan 29, 2038 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4623 MILESTONE CT, ANTIOCH, CA 94531-7184 |
| Document Number | 0000013886 |
| Instrument Date | Jan 13, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jan 31, 2017 |
| Title Company | WFG LENDER SERVICES, WFG LENDER SVCS |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4623 MILESTONE CT ANTIOCH CA 945317184, ANTIOCH, CA 94531-7184 |
| Document Number | 0000013886 |
|---|---|
| Date | Jan 23, 2017 |
| Instrument | 13886 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Funding / Finance Company |
| Address | FOOTHILL RANCH, CA 92610 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 22, 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 | $766,000 (-5.78%) Land $199,359 Building $566,641 | |
| 2025 | $9,878.00 (+0.93%) | $813,000 (-) Land $211,592 Building $601,408 |
| 2023 | $9,787.00 (+56.62%) | $813,000 Land $212,000 Building $601,000 |
| 2022 | $6,249.00 |
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 | 2 in force |
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 | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 550 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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