Delaware County property record for 420 S 4th St, Darby, PA 19023
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 1.5 ba · 1,596 sqft · built 1930 |
| Lot Size | 0.068 acres (2,962 sqft) |
| Owner | Individual Name on File |
| Last Sale | $50,000 (Aug 1989) |
| Tax Bill | $3,079 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 14-08-054:000 |
| Primary APN | 14-08-054:000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,596 sqft Living Area |
| 1st Floor Area | 1,596 sqft |
| Family Room | Family Room |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Duplex Single |
| Exterior Material | Brick |
| Lot Area | 2,962 sqft (0.068 acres) |
| Lot Dimensions | 150 ft deep x 21 ft wide |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 1408054000 |
|---|---|
| Street Address | 420 S 4TH ST |
| City | DARBY |
| State | PA |
| Zip | 19023-2701 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | 2 STY HSE 21 X 150 |
| Legal Block | 40 |
| Jurisdiction | DELAWARE PA |
| Township / Civil Division | DARBY |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 402400 |
420 S 4th St, a duplex, is owned and occupied by an individual who bought it in August 1989.
Source: Delaware County records, as of May 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 420 S 4TH ST, DARBY, PA 19023-2701 |
| 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 | Aug 11, 1989 · Amount on File |
| Deed Sale | Aug 11, 1989 · Amount on File |
| Deed Book / Page | 693 / 1977 |
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 420 S 4th St was $3,079.
Source: Delaware County assessment roll, as of May 28, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Delaware County |
| Municipality | Darby Borough |
| Unified School District | William Penn School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,079.00 | $57,150 Land $15,150 Building $42,000 | $57,150 Land $15,150 Building $42,000 |
| 2024 | $57,150 Land $15,150 Building $42,000 | ||
| 2023 | $2,618.00 | ||
| 2021 | $57,150 (-) | ||
| 2020 | $57,150 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 420 S 4th St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 30, 2023
| 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.
The area around 420 S 4th St 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 1,112 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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