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Masonry Triplex with Finished Basement
For Sale
$259,900

3660 N 21ST Street, Philadelphia, PA 19140

Multi-Family, PHILADELPHIA, PA

Property Size2,604 SF
Lot Size0.03 Acres
Price / SF$99.81
Days on Market168

Property Features for 3660 N 21ST Street

General Information

Property type Residential Multi Family
Property subtype Other
Elementary school district PHILADELPHIA CITY
Middle school district PHILADELPHIA CITY
High school district PHILADELPHIA CITY
Standard status Active
Size 2,604 SF
Lot size 0.03 Acres

Taxes and HOA fees

Tax Annual Amount 2627

Utilities

Heating system Hot Water(Heating)

Building Details

Year built 1930
Number of units 4
Building materials Masonry
Listing Agency: Realty Mark Associates
Listed By: Hilda M Pousa · License #RS229171
Added: Mar 16 Changed: Aug 19 Last Checked: Aug 30 at 5:06AM
MLS# PAPH2594716

Copyright © 2026 Bright MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

Built in 1930, this legal triplex contains 2,604 square feet on a 0.0342-acre lot. Masonry construction and hot water heating are documented, while the finished basement adds to the building’s existing configuration.

The property is in Philadelphia near Temple Hospital, schools, a college, restaurants, and transportation. Center City is approximately 10 minutes away, providing access to the city’s central employment, civic, and commercial districts.

Key Highlights

  • Legal triplex with finished basement
  • 2,604 square feet of property size
  • 0.0342‑acre lot

Property Analytics

Current Use

Triplexes

Suggested Use

Top Pick Law Firm Real Estate Agency Computer & Electronic Repair Accounting Firm Acupuncture Home Appliance Store

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

3
Residential units

Location Intelligence

Trade Area within ½ mile

1,420
Businesses Nearby

Demographics for 19140, PA

52,124
Population
23,104
Households
2.3
Avg Household Size
36
Median Age
9%
College-Educated
73%
High-School Grad
3.2 sq mi
ZIP Area
16,289
Density / Sq Mi
$33,149
Median Household Income
$31,508
Median Earnings
$1,085
Median Rent
$101,100
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Triplex - Legal three-unit property with a finished basement near hospitals, education, dining, and public transportation.
Where is this triplex located?
The property is located at 3660 N 21ST Street Philadelphia, PA.
What is the asking price?
The asking price for this property is $259,900.
What are key features of this property?
This property features: Legal triplex with finished basement; 2,604 square feet of property size; 0.0342‑acre lot
More about this property
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