135 S Keystone Ave, Upper Darby, PA 19082 Property Records

Delaware County property record for 135 S Keystone Ave, Upper Darby, PA 19082

Property Summary

Property Type	Duplex
Details	4 bd · 1.5 ba · 1,528 sqft · built 1930
Lot Size	0.045 acres (1,960 sqft)
Owner	2 Individual Names on File
Last Sale	$225,000 (Jun 2023)
Tax Bill	$4,625 (2026)
Deeds & Mortgages	Jun 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`16-09-474:000`

Property Details

APN / Parcel Number

Primary APN	`16-09-474:000`
Alternative APN	`16-05-00618-00`

Interior

Bedrooms	4 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,528 sqft Living Area
1st Floor Area	1,528 sqft

Exterior

Year Built	Built 1930
Effective Year Built	Effective 1930
Architectural Style	Duplex Single
Exterior Material	Stucco
Lot Area	1,960 sqft (0.045 acres)
Lot Dimensions	80 ft deep x 25 ft wide

Utilities, Heating & Cooling

Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	1609474000
Street Address	135 S KEYSTONE AVE
City	UPPER DARBY
State	PA
Zip	19082-2134
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	2 1/2 STY HSE 25 X 80
Legal Block	60
Jurisdiction	DELAWARE PA
Township / Civil Division	UPPER DARBY
Census Block Group	1
Census Block	1008
Census Tract	400700

Owner

Source: Delaware County records · APN 16-09-474:000

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	135 S KEYSTONE AVE, UPPER DARBY, PA 19082-2134
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 26, 2023 · Amount on Record
Deed Sale	Jun 26, 2023 · Amount on Record
Prior Sale	Nov 18, 2010 · Amount on Record
Deed Document Number	202321790
Deed Book / Page	6913 / 4604
Record Updated	Sep 20, 2026

June 2023: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	DELAWARE PA
Recording Date	Jun 26, 2023
Property Address	135 S KEYSTONE AVE, UPPER DARBY, PA 19082-2134
Document Number	0069134604
Book / Page	6913 / 4604
Instrument Date	Jun 13, 2023
Instrument	2023021790
Transaction Type	Transfer
Record Updated	Jul 05, 2023

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$2,250.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	135 S KEYSTONE AVE, UPPER DARBY, PA 19082-2134

Mortgage

Document Number	0069134608
Date	Jun 26, 2023
Book Page	6913/4608
Instrument	2023021791

Lender

Name	A&D MORTGAGE LLC
Type	Mortgage Company
Address	HOLLYWOOD, FL 33020

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 01, 2053

Tax Assessment & Valuation

Source: Delaware County records · Assessment roll updated May 28, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Pennsylvania
County	Delaware County
County Subdivision	Upper Darby Township
Unified School District	Upper Darby School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$4,625.00 (+7.38%)	$104,140 (-) Land $23,240 Building $80,900	$104,140 (-) Land $23,240 Building $80,900
2024		$104,140 (-) Land $23,240 Building $80,900
2023	$4,307.00 Homeowner's exemption	$104,140 Land $23,240 Building $80,900
2021			$104,140 (-)
2020			$104,140

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 30, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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.

Based on FCC filings for 1,128 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	AQUA PA MAIN SYSTEM private · serves 822,600 people
Water Source	Surface water
Last State Inspection	Mar 2025
Lead	Under 1 ppb (2025) action level 15 ppb

Violations Reported to EPA

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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.