Delaware County property record for 421 Bonsall Ave, Lansdowne, PA 19050
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 1.5 ba · 1,549 sqft · built 1940 |
| Lot Size | 0.068 acres (2,962 sqft) |
| Owner | Individual Name on File |
| Last Sale | $93,500 (Jun 2006) |
| Tax Bill | $5,541 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 48-05-037:000 |
| Primary APN | 48-05-037:000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,549 sqft Living Area |
| 1st Floor Area | 1,549 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Stone |
| Lot Area | 2,962 sqft (0.068 acres) |
| Lot Dimensions | 125 ft deep x 25 ft wide |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 4805037000 |
|---|---|
| Street Address | 421 BONSALL AVE |
| City | LANSDOWNE |
| State | PA |
| Zip | 19050-3121 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | 2 STY HSE 25 X 125 |
| Legal Block | 80 |
| Jurisdiction | DELAWARE PA |
| Township / Civil Division | YEADON |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 402200 |
421 Bonsall Ave, a duplex, is owned and occupied by an individual who bought it in June 2006.
Source: Delaware County records, as of May 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 421 BONSALL AVE, LANSDOWNE, PA 19050-3121 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Jun 26, 2006 · Amount on File |
| Deed Sale | Jun 26, 2006 · Amount on File |
| Prior Sale | Jun 9, 2006 · Amount on File |
| Deed Document Number | 200658573 |
| Deed Book / Page | 3835 / 1086 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 421 Bonsall Ave was $5,541.
Source: Delaware County assessment roll, as of May 28, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Delaware County |
| Municipality | Yeadon Borough |
| Unified School District | William Penn School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $5,541.00 | $119,010 Land $34,060 Building $84,950 | $119,010 Land $34,060 Building $84,950 |
| 2024 | $119,010 Land $34,060 Building $84,950 | ||
| 2023 | $4,523.00 | ||
| 2021 | $119,010 (-) | ||
| 2020 | $119,010 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 Bonsall Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 2004.
Source: FEMA National Flood Hazard Layer, effective September 30, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (2004–2023) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Jun 2023 · rainfall accumulation |
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.
The area around 421 Bonsall Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | AQUA PA MAIN SYSTEM private · serves 822,600 people · EPA ID PA1460073 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Mar 2025 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | Treatment failure resolved · Nov 2024 E. coli resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 27 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 908 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 |
| Astound Broadband Cable | 1,500 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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