Contra Costa County property record for 5165 Roundup Way, Antioch, CA 94531 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,475 sqft · built 1995 |
| Lot Size | 0.129 acres (5,600 sqft) |
| Owner | Individual Name on File |
| Last Sale | $170,000 (Sep 2012) |
| Tax Bill | $2,840 (2025) |
| Deeds & Mortgages | Dec 2025 Mortgage Jan 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-230-028-5 |
| Primary APN | 056-230-028-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,475 sqft Living Area |
| 1st Floor Area | 1,475 sqft |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 5,600 sqft (0.129 acres) |
| Garage Type | Attached |
| Garage Area | 467 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 5165 ROUNDUP WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8475 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7620 L520 |
| Legal Subdivision | SUBDIVISION #7620 |
| Legal Tract | 7620 |
| Legal Lot Number | 520 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 303207 |
Source: Contra Costa County records · APN 056-230-028-5
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 | 5165 ROUNDUP WAY, ANTIOCH, CA 94531-8475 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 19, 2025 | Deed of Trust, Mortgage · Commercial Mortgage UNLOCK PARTNERSHIP SOLUTIONS INC |
| Jan 17, 2019 | Deed of Trust, Mortgage · Conventional Mortgage LC EQUITY GROUP INC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 04, 2012 · Amount on Record |
| Deed Sale | Sep 04, 2012 · Amount on Record |
| Prior Sale | Jun 18, 2001 · Amount on Record |
| Deed Document Number | 2012213747 |
| Prior Transfer Date | Feb 03, 2005 |
| Prior Transfer Doc | 0000048335 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5165 ROUNDUP WAY, ANTIOCH, CA 94531-8475 |
| Transaction Type | Mortgage |
| Record Updated | Jan 01, 2026 |
| Title Company | FIRST AMERICAN TITLE INSURANCE COMPANY NC, FIRST AMERICAN TITLE INS CO |
| Name | Verified Name |
|---|
| Document Number | 0000141712 |
|---|---|
| Date | Dec 19, 2025 |
| Instrument | 2025- 141712 |
| Name | UNLOCK PARTNERSHIP SOLUTIONS INC |
|---|---|
| Type | Non-Lending Institution |
| Address | 1230 W WASHINGTON ST # 3109, TEMPE, AZ 85288 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5165 ROUNDUP WAY, ANTIOCH, CA 94531-8475 |
| Document Number | 0000011947 |
| Instrument Date | Jan 17, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Feb 07, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 4325 HEIGHTS AVE PITTSBURG CA 945656022, PITTSBURG, CA 94565-6022 |
| Document Number | 0000011947 |
|---|---|
| Date | Jan 29, 2019 |
| Instrument | 11947 |
| Name | LC EQUITY GROUP INC |
|---|---|
| Address | AGOURA HILLS, CA 91301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 60 Months |
| Due | Jan 28, 2024 |
| Rate Type | Adjustable Rate |
|---|
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 | $213,515 (+2%) Land $50,235 Building $163,280 | |
| 2025 | $2,840.00 (+6.77%) Homeowner's exemption | $209,329 (+4.04%) Land $49,250 Building $160,079 |
| 2023 | $2,660.00 (+1.37%) Homeowner's exemption | $201,203 Land $47,339 Building $153,864 |
| 2022 | $2,624.00 |
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 | Low above 37% of the US · above 22% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,724 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026
| Historic District | Within the Shannon-Williamson Ranch listed 1987 · 12 contributing resources · NRIS 87000003 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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