Chester County property record for 321 Jefferson Ave, Downingtown, PA 19335
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 1,456 sqft · built 1900 |
| Lot Size | 0.076 acres (3,301 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $142,000 (Aug 2016) |
| Tax Bill | $469 (2026) |
| Flood Zone | Zone AE (high risk) |
| APN | 11-8-217 |
| Primary APN | 11-8-217 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,456 sqft Living Area |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 3,301 sqft (0.076 acres) |
| View / Lot | Neighborhood |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 321 JEFFERSON AVE |
|---|---|
| City | DOWNINGTOWN |
| State | PA |
| Zip | 19335-3025 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R4 |
| Legal Description | LOT & DWG |
| Jurisdiction | CHESTER PA |
| Township / Civil Division | DOWNINGTOWN |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 304101 |
Source: Chester County records, as of May 28, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 321 JEFFERSON AVE, DOWNINGTOWN, PA 19335-3025 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 8, 2016 · Amount on Record |
| Deed Sale | Aug 8, 2016 · Amount on Record |
| Prior Sale | Nov 21, 2006 · Amount on Record |
| Deed Document Number | 201611489223 |
| Deed Book / Page | 9364 / 1476 |
| Prior Transfer Date | Nov 8, 1999 |
| Prior Transfer Doc | 0000101257 |
| Record Updated | Oct 29, 2026 |
Source: Chester County assessment roll, as of May 28, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Chester County |
| Municipality | Downingtown Borough |
| Unified School District | Downingtown Area School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $469.00 (-89.07%) | $102,710 (-) Land $28,330 Building $74,380 | $102,710 (-) Land $28,330 Building $74,380 |
| 2024 | $4,289.00 | $102,710 Land $28,330 Building $74,380 | |
| 1998 | $102,710 Land $28,330 Building $74,380 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 2, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 46 policies |
| Nearby Flood Policies | 46 in force |
| Nearby Flood Claims | 234 (1978–2023) |
| Claims Outside the SFHA | 37 of 234 |
| Most Recent Claim | Jun 2023 · rainfall accumulation |
| Claims by Event |
|
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 43% of Pennsylvania |
|---|---|
| Wildfire Likelihood | 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 | DOWNINGTOWN WATER AUTHORITY serves 9,900 people · EPA ID PA1150026 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2024 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 22 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 335 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
May also be available: T-Mobile.
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