Contra Costa County property record for 2121 Biglow Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,021 sqft · built 1952 |
| Lot Size | 0.206 acres (8,970 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $255,000 (Sep 2003) |
| Tax Bill | $4,552 (2025) |
| Deeds & Mortgages | Nov 2025 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-076-006-3 |
| Primary APN | 068-076-006-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,021 sqft Living Area |
| 1st Floor Area | 1,021 sqft |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Lot Area | 8,970 sqft (0.206 acres) |
| Garage Type | Attached |
| Garage Area | 414 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 2121 BIGLOW DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2707 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LYNNWOOD ESTATES LOT 113 |
| Legal Subdivision | LYNNWOOD ESTATES |
| Legal Lot Number | 113 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 306003 |
2121 Biglow Dr is owned by a company that bought it in September 2003.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 2121 BIGLOW DR, ANTIOCH, CA 94509-2707 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 8, 2003 · Amount on File |
| Deed Sale | Sep 8, 2003 · Amount on File |
| Deed Document Number | 2003445057 |
| Prior Transfer Date | Mar 26, 1993 |
| Prior Transfer Doc | 0000125284 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 12, 2025 |
| Property Address | 2121 BIGLOW DR, ANTIOCH, CA 94509-2707 |
| Document Number | 0000126767 |
| Map Reference | MB 45 PG 6 |
| Instrument Date | Oct 29, 2025 |
| Instrument | 2025- 126767 |
| Transaction Type | Transfer |
| Record Updated | Nov 26, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2121 BIGLOW DR, ANTIOCH, CA 94509-2707 |
| Investor | Possibly a Property Investor |
The 2025 property tax bill for 2121 Biglow Dr was $4,552.
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 | $369,787 (+2%) Land $250,155 Building $119,632 | |
| 2025 | $4,552.00 | $362,537 Land $245,250 Building $117,287 |
| 2023 | $4,320.00 (+1.6%) Homeowner's exemption | $348,462 Land $235,728 Building $112,734 |
| 2022 | $4,252.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 2121 Biglow Dr in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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.
Wildfire risk around 2121 Biglow Dr is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% 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 322 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 · Fiber in parts of the area | 100 / 20 |
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