Delaware County property record for 121 S Keystone Ave, Upper Darby, PA 19082
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 1 ba · 1,513 sqft · built 1930 |
| Lot Size | 0.041 acres (1,786 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $140,000 (Jun 2005) |
| Tax Bill | $4,599 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 16-09-467:000 |
| Primary APN | 16-09-467:000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,513 sqft Living Area |
| 1st Floor Area | 1,513 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Duplex Single |
| Exterior Material | Stucco |
| Lot Area | 1,786 sqft (0.041 acres) |
| Lot Dimensions | 80 ft deep x 25 ft wide |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 1609467000 |
|---|---|
| Street Address | 121 S KEYSTONE AVE |
| City | UPPER DARBY |
| State | PA |
| Zip | 19082-2116 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | 2 1/2 STY HSE & GAR 25 X 80 |
| Legal Block | 60 |
| Jurisdiction | DELAWARE PA |
| Township / Civil Division | UPPER DARBY |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 400700 |
Source: Delaware County assessment roll, 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 File |
|---|---|
| Mailing Address | 121 S KEYSTONE AVE, UPPER DARBY, PA 19082-2116 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 21, 2005 · Amount on Record |
| Deed Sale | Jun 21, 2005 · Amount on Record |
| Prior Sale | Apr 20, 2001 · Amount on Record |
| Deed Document Number | 200557048 |
| Deed Book / Page | 3517 / 1156 |
| Record Updated | Sep 20, 2026 |
Source: Delaware County assessment roll, as of May 28, 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Delaware County |
| County Subdivision | Upper Darby Township |
| Unified School District | Upper Darby School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,599.00 (+7.38%) | $103,550 (-) Land $23,090 Building $80,460 | $103,550 (-) Land $23,090 Building $80,460 |
| 2024 | $103,550 Land $23,090 Building $80,460 | ||
| 2023 | $4,283.00 | ||
| 2021 | $103,550 (-) | ||
| 2020 | $103,550 |
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 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 | 1 (1999) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 1999 · Hurricane Floyd Major Disaster Declarations |
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 | Not rated no burnable land within ember reach |
|---|
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 1,128 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 |
| Radiate Holdings Cable | 1,500 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile USA.
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