Contra Costa County property record for 3522 Stone Pl, Antioch, CA 94509
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,349 sqft · built 1984 |
| Lot Size | 0.029 acres (1,248 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $245,500 (May 2016) |
| Tax Bill | $4,713 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 072-182-021-5 |
| Primary APN | 072-182-021-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,349 sqft Living Area |
| 1st Floor Area | 543 sqft |
| 2nd Floor Area | 806 sqft |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Townhouse |
| Lot Area | 1,248 sqft (0.029 acres) |
| Garage Type | Attached |
| Garage Area | 454 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 3522 STONE PL |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5473 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PD |
| Legal Description | T05330 L0066 B |
| Legal Subdivision | SUMMIT SUB 5330 |
| Legal Tract | 05330 |
| Legal Lot Number | 66 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 307101 |
3522 Stone Pl, a townhouse, is owned and occupied by two individuals who acquired it in September 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3522 STONE PL, ANTIOCH, CA 94509-5473 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 24, 2016 · Amount on File |
| Deed Sale | May 24, 2016 · Amount on File |
| Prior Sale | Jan 10, 2013 |
| Deed Document Number | 201698721 |
| Last Transfer Date | Sep 21, 2021 |
| Transfer Doc | 0000270111 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 29, 2021 |
| Property Address | 3522 STONE PL, ANTIOCH, CA 94509-5473 |
| Document Number | 0000270111 |
| Map Reference | MB 271 PG 10-17 |
| Instrument Date | Sep 21, 2021 |
| Instrument | 2021-270111 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 3522 STONE PL, ANTIOCH, CA 94509-5473 |
| Document Number | 0000270112 |
|---|---|
| Date | Sep 29, 2021 |
| Instrument | 2021-270112 |
| Name | HOME POINT FINANCIAL CORPORATION |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2051 |
The 2025 property tax bill for 3522 Stone Pl was $4,713.
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 | $378,227 (+2%) Land $156,247 Building $221,980 | |
| 2025 | $4,713.00 | $370,812 Land $153,184 Building $217,628 |
| 2023 | $4,476.00 (+1.57%) | $356,415 Land $147,237 Building $209,178 |
| 2022 | $4,407.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3522 Stone Pl in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 3522 Stone Pl is moderate, ranking above 44% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 44% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Direct burnable vegetation |
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 501 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 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Verizon.
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