Five-Unit Multifamily
For Sale
$475,000
3521 N 21ST Street, Philadelphia, PA 19140
MULTI_FAMILY - Other - PHILADELPHIA, PA
Property Size2,540 SF
Lot Size0.04 Acres
Price / SF$187.01
Days on Market50
Property Features for 3521 N 21ST Street
General Information
Property type
Residential Multi Family
Property subtype
Other
Parking features
On Street
Subdivision
ALLEGHENY WEST
Elementary school district
PHILADELPHIA CITY
Middle school district
PHILADELPHIA CITY
High school district
PHILADELPHIA CITY
Standard status
Active
Size
2,540 SF
Lot size
0.04 Acres
Taxes and HOA fees
Tax Annual Amount
3341
Utilities
Heating system
Central
Cooling system
Central Air
Building Details
Year built
1930
Number of units
4
Building materials
Masonry
Architectural style
Other
Listing Agency:
OCF Realty LLC - Philadelphia
(215) 735-7368
Listed By:
Kevin M McGettigan · License #RS326539
(856) 347-0434
Added: Jun 12
Changed: Jun 25
Last Checked: Jul 31 at 6:06AM
MLS# PAPH2634530
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.
This well-kept five-unit multifamily property offers practical rental layouts, including three one-bedroom, one-bath units and two studio units. The building is presented as a residential income asset with straightforward systems, and it notes the opportunity for light interior refreshes to support ongoing rental performance. The property totals 2,540 square feet of building area on a 0.04-acre lot.
The address is 3521 N 21ST Street in Philadelphia, PA 19140. The remarks describe convenient access to Broad Street transit and Roosevelt Blvd, with neighborhood retail and key bus routes nearby.
For buyers or operators seeking a manageable smaller income property, the unit mix provides a straightforward approach to leasing across studios and one-bedrooms. The offering is also described as available either as an individual purchase or as part of a three-property, 14-unit package, with additional details available upon request.
The address is 3521 N 21ST Street in Philadelphia, PA 19140. The remarks describe convenient access to Broad Street transit and Roosevelt Blvd, with neighborhood retail and key bus routes nearby.
For buyers or operators seeking a manageable smaller income property, the unit mix provides a straightforward approach to leasing across studios and one-bedrooms. The offering is also described as available either as an individual purchase or as part of a three-property, 14-unit package, with additional details available upon request.
Key Highlights
- 5‑unit multifamily property built in 1930 in Philadelphia’s West Allegheny neighborhood
- Unit mix includes three 1 bed/1 bath units and two studio units
- Central heating and central air conditioning
Financial Insights For Apartment 5plus
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $77.1k | $30.36 |
| − Vacancy | −$4.5k | −$1.76 |
| EGI | $72.6k | $28.60 |
| − OpEx | −$32.7k | −$12.87 |
| NOI | $40.0k | $15.73 |
2,540 SF · lease $30.36/SF/yr · vacancy 5.80% · expense 45.00%
Alternative Uses
Best Use
Apartment 5plus
$570.8K
$499.4K – $665.9K
NOI $39,953 @ 7.0% cap · market cap 8.41%
Second Best
—
—
no second resolved use
Theoretical Best
Multifamily LT 5
$619.2K
$541.8K – $722.4K
NOI $43,345 @ 7.0% cap · market cap 9.13%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
5
Residential units
Location Intelligence
Trade Area within ½ mile
1,604
Businesses Nearby
Explore this area
Business Placement
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
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Apartment building - Well-kept five-unit building with three one-bedroom units and two studios, suited for long-term rental ownership.
Where is this apartment building located?
The property is located at 3521 N 21ST Street Philadelphia, PA.
What is the asking price?
The asking price for this property is $475,000.
What are key features of this property?
This property features: 5‑unit multifamily property built in 1930 in Philadelphia’s West Allegheny neighborhood; Unit mix includes three 1 bed/1 bath units and two studio units; Central heating and central air conditioning
