Contra Costa County property record for 5137 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 | $653,000 (Jul 2022) |
| Tax Bill | $7,710 (2025) |
| Deeds & Mortgages | Feb 2017 Mortgage Jan 2019 Second Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-230-003-8 |
| Primary APN | 056-230-003-8 |
|---|---|
| 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 |
| Street Address | 5137 ROUNDUP WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8475 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7620 L482 |
| Legal Subdivision | SUBDIVISION 7620 |
| Legal Tract | 7620 |
| Legal Lot Number | 482 |
| 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 056-230-003-8
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 | 5137 ROUNDUP WAY, ANTIOCH, CA 94531-8475 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Feb 01, 2017 | Deed of Trust, Mortgage · Conventional Mortgage PATELCO CU |
| Jan 18, 2019 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage PATELCO CU |
| Jun 01, 2020 | Deed of Trust, Mortgage · Conventional Mortgage PATELCO CU |
| Jul 06, 2022 | Grant Deed, Transfer · VA Mortgage MORTGAGE RESEARCH CENTER LLC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 06, 2022 · Amount on Record |
| Deed Sale | Jul 06, 2022 · Amount on Record |
| Prior Sale | Jan 27, 1999 · Amount on Record |
| Deed Document Number | 2022109305 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5137 ROUNDUP WAY, ANTIOCH, CA 94531-8475 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | PLACER TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000021056 |
|---|---|
| Date | Feb 01, 2017 |
| Instrument | 2017-021056 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | PLEASANTON, CA 94588 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 01, 2047 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5137 ROUNDUP WAY, ANTIOCH, CA 94531-8475 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | PLACER TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000008142 |
|---|---|
| Date | Jan 18, 2019 |
| Instrument | 2019-008142 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | PLEASANTON, CA 94588 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 121 Months |
| Due | Feb 01, 2029 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5137 ROUNDUP WAY, ANTIOCH, CA 94531-8475 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | PLACER TITLE CO ROSEVILLE CA |
| Name | Verified Name |
|---|
| Document Number | 0000103913 |
|---|---|
| Date | Jun 01, 2020 |
| Instrument | 2020-103913 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | DUBLIN, CA 94568 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 06, 2022 |
| Property Address | 5137 ROUNDUP WAY, ANTIOCH, CA 94531-8475 |
| Document Number | 0000109305 |
| Map Reference | MB 371 PG 3 |
| Instrument Date | Jun 29, 2022 |
| Instrument | 2022-109305 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 5137 ROUNDUP WAY, ANTIOCH, CA 94531-8475 |
| Document Number | 0000109306 |
|---|---|
| Date | Jul 06, 2022 |
| Instrument | 2022-109306 |
| Name | MORTGAGE RESEARCH CENTER LLC |
|---|---|
| Type | Mortgage Company |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2052 |
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 | $692,968 (+2%) Land $275,914 Building $417,054 | |
| 2025 | $7,710.00 (+6.1%) | $679,381 (+4.04%) Land $270,504 Building $408,877 |
| 2023 | $7,267.00 (+138.42%) | $653,000 Land $260,000 Building $393,000 |
| 2022 | $3,048.00 |
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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