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Triplex with Finished Basement
New
For Sale
$498,500

3111 W DIAMOND STREET, Philadelphia, PA 19121

Triplex with three-bedroom, two-bedroom, and convertible one-bedroom units, plus a fully finished basement and backyard.

Days on Market3

Property Features for 3111 W DIAMOND STREET

General Information

Standard status Active
Property subtype Triplex

Amenities

exposed brick
accent walls
ultra-modern luxury finishes
fully finished basement
beautiful backyard

Building Details

Building Size 2,646 SF
Year Built 1915
Buildings 1
Tenancy Multi
Listing Agency: KW Empower
Listed By: Marc Bennett · License #RS337435
Source: Patmckennarealtors
Added: Jul 30 Changed: Jul 31 Last Checked: Jul 31 at 5:54AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of KW Empower

Investment Insights

Based on property information with market context.

This triplex at 3111 W Diamond Street offers three distinct residential units and a fully finished basement. Unit 1 features three bedrooms, Unit 2 features two bedrooms, and Unit 3 is a one-bedroom layout that can be converted to two. Interior details include exposed brick and accent walls paired with ultra-modern luxury finishes. Each bedroom includes an accent wall, and the bathrooms are upgraded with top-tier fixtures.

The property includes a fully finished basement and a backyard, providing additional space for everyday living and entertaining. Built in 1915, the home blends historic character with substantial interior improvements.

The unit configuration supports a variety of household needs within one building, with bed count flexibility in Unit 3 and separate layouts across Units 1 and 2.

Key Highlights

  • Triplex with three units: 3‑bedroom Unit 1, 2‑bedroom Unit 2, and convertible 1‑bedroom Unit 3
  • Unit 3 can convert from one‑bedroom to two‑bedroom layout
  • Fully finished basement for added living space

Financial Insights For Multifamily LT 5

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 $68.3k $25.80
− Vacancy −$3.8k −$1.42
EGI $64.5k $24.38
− OpEx −$19.4k −$7.31
NOI $45.2k $17.06
2,646 SF · lease $25.80/SF/yr · vacancy 5.51% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$645.1K
$564.4K – $752.6K (±1% cap)
NOI $45,154 @ 7.0% cap · market cap 9.06%
Second Best
Apartment 5plus
$594.6K
$520.3K – $693.7K (±1% cap)
NOI $41,620 @ 7.0% cap · market cap 8.35%
Theoretical Best
—
—
same as Best Use
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Triplexes

Suggested Use

Top Pick Law Firm Real Estate Agency Dental Office Parking Lot & Garage Kitchen & Bath Showroom Skin Care Clinic

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

Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

1,365
Businesses Nearby

Demographics for 19121, PA

41,799
Population
19,673
Households
2.1
Avg Household Size
28
Median Age
25%
College-Educated
84%
High-School Grad
2.4 sq mi
ZIP Area
17,416
Density / Sq Mi
$36,208
Median Household Income
$29,915
Median Earnings
$1,082
Median Rent
$250,100
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

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

What type of property is this?
Triplex - Triplex with three-bedroom, two-bedroom, and convertible one-bedroom units, plus a fully finished basement and backyard.
Where is this triplex located?
The property is located at 3111 W DIAMOND STREET Philadelphia, PA.
What is the asking price?
The asking price for this property is $498,500.
What are key features of this property?
This property features: Triplex with three units: 3‑bedroom Unit 1, 2‑bedroom Unit 2, and convertible 1‑bedroom Unit 3; Unit 3 can convert from one‑bedroom to two‑bedroom layout; Fully finished basement for added living space
More about this property
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