Contra Costa County property record for 307 Boulder Dr, Antioch, CA 94509 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1973 |
| Square Footage | 1,730 sqft Living Area |
| Lot Size | 8,855 sqft (0.203 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $575,000 (2021) |
| Tax Bill | $7,397.00 (2025) |
Source: Contra Costa County records · APN 072-051-010-6
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 | 307 BOULDER DR, ANTIOCH, CA 94509-6207 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Nov 29, 2021 | Grant Deed, Transfer · Conventional Mortgage BANK OF AMERICA NA |
| Sep 27, 2017 | Grant Deed, Transfer · Conventional Mortgage HOME POINT FINANCIAL CORPORATION |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 29, 2021 · Amount on Record |
| Deed Sale | Nov 29, 2021 · Amount on Record |
| Prior Sale | Sep 27, 2017 · Amount on Record |
| Deed Doc Number | 2021324846 |
| Prior Transfer Date | May 10, 2011 |
| Prior Transfer Doc | 0000101117 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 29, 2021 |
| Property Address | 307 BOULDER DR, ANTIOCH, CA 94509-6207 |
| Document Number | 0000324846 |
| Map Reference | MB 135 PG 46 |
| Instrument Date | Nov 19, 2021 |
| Instrument | 2021-324846 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 307 BOULDER DR, ANTIOCH, CA 94509-6207 |
| Document Number | 0000324847 |
|---|---|
| Date | Nov 29, 2021 |
| Instrument | 2021-324847 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 27, 2017 |
| Property Address | 307 BOULDER DR, ANTIOCH, CA 94509-6207 |
| Document Number | 0000176982 |
| Map Reference | MB135 PG46 |
| Instrument Date | Sep 25, 2017 |
| Instrument | 2017-176982 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 307 BOULDER DR, ANTIOCH, CA 94509-6207 |
| Document Number | 0000176983 |
|---|---|
| Date | Sep 27, 2017 |
| Instrument | 2017-176983 |
| Name | HOME POINT FINANCIAL CORPORATION |
|---|---|
| Type | Government Agency |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2047 |
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 | $622,396 (+2%) Land $238,134 Building $384,262 | |
| 2025 | $7,397.00 (+4.94%) | $610,193 (+4.04%) Land $233,465 Building $376,728 |
| 2023 | $7,049.00 (+1.63%) | $586,500 Land $224,400 Building $362,100 |
| 2022 | $6,936.00 |
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 | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 072-051-010-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,730 sqft Living Area |
| 1st Floor | 1,730 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Lot Area | 8,855 sqft (0.203 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 414 sqft Garage |
| Cooling System | Central Cooling |
|---|
| Street Address | 307 BOULDER DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-6207 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 3899 LOT 100 & POR 101 EX MR |
| Legal Subdivision | SUBDIVISION 3899 |
| Legal Tract | 3899 |
| Legal Lot Number | 100 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 1 |
| Census Block | 1002 |
| Census Tract | 355109 |
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