Delaware County property record for 91 S Keystone Ave, Upper Darby, PA 19082 · Last verified June 2026
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 1.5 ba · 1,777 sqft · built 1915 |
| Lot Size | 0.107 acres (4,661 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $230,000 (Mar 2024) |
| Tax Bill | $5,261 (2026) |
| Deeds & Mortgages | Mar 2024 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 16-09-577:000 |
| Primary APN | 16-09-577:000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,777 sqft Living Area |
| 1st Floor Area | 1,777 sqft |
| Year Built | Built 1915 |
|---|---|
| Effective Year Built | Effective 1915 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Stone |
| Lot Area | 4,661 sqft (0.107 acres) |
| Lot Dimensions | 90 ft deep x 45 ft wide |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 1609577000 |
|---|---|
| Street Address | 91 S KEYSTONE AVE |
| City | UPPER DARBY |
| State | PA |
| Zip | 19082-2229 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | 2 1/2 STY HSE 45 X 90 |
| Legal Block | 60 |
| Jurisdiction | DELAWARE PA |
| Township / Civil Division | UPPER DARBY |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 400700 |
Source: Delaware County records · APN 16-09-577:000
Assessment roll updated May 28, 2026 · Last verified June 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 | 3727 CRESCENT ST, 43, LONG ISLAND CITY, NY 11101-3539 |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 11, 2024 · Amount on Record |
| Deed Sale | Mar 11, 2024 · Amount on Record |
| Prior Sale | Jun 02, 2005 · Amount on Record |
| Deed Document Number | 20247849 |
| Deed Book / Page | 6962 / 44 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | DELAWARE PA |
| Recording Date | Mar 11, 2024 |
| Property Address | 91 S KEYSTONE AVE, UPPER DARBY, PA 19082-2229 |
| Document Number | 0069620044 |
| Book / Page | 6962 / 44 |
| Instrument Date | Mar 06, 2024 |
| Instrument | 2024007849 |
| Transaction Type | Transfer |
| Record Updated | Mar 21, 2024 |
| Title Company | PHILADELPHIA ABSTRACT COMPANY, PHILADELPHIA ABSTRACT CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $2,300.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 3727 CRESCENT ST APT 43, 43, LONG ISLAND CITY, NY 11101-3539 |
Source: Delaware County records · Assessment roll updated May 28, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Delaware County |
| County Subdivision | Upper Darby Township |
| Unified School District | Upper Darby School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $5,261.00 (+7.39%) | $118,450 (-) Land $28,910 Building $89,540 | $118,450 (-) Land $28,910 Building $89,540 |
| 2024 | $118,450 (-) Land $28,910 Building $89,540 | ||
| 2023 | $4,899.00 | $118,450 Land $28,910 Building $89,540 | |
| 2021 | $118,450 (-) | ||
| 2020 | $118,450 |
Source: FEMA National Flood Hazard Layer, Delaware County (42045C), updated September 30, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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