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Updated Quadplex with Garage
For Sale
$415,000

437 W Allen Street, Allentown, PA 18102

ResidentialIncome, Allentown City, PA

Property Size2,112 SF
Lot Size0.04 Acres
Price / SF$196.50
Days on Market52

Property Features for 437 W Allen Street

General Information

Property type Residential Multi Family
Property subtype Apartment
Zoning R-Mh-Medium High Density
Bedrooms 5
Bathrooms 4
Full bathrooms 3
Half bathrooms 1
Rooms Bathroom 1, Bathroom 4, Bathroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Bedroom 2, Bedroom 1, Bathroom 3
Parking 1
Parking features On Street, Garage, Off Street
Subdivision Not in Development
Elementary school district Allentown
Middle school district Allentown
High school district Allentown
Directions West on Tilghman - Right on 5th - Left on Allen - Property on Left
Standard status Active
APN 640713198921001
Size 2,112 SF
Lot size 0.04 Acres

Additional Details

Mixed-Use Components residential, retail

Taxes and HOA fees

Tax Annual Amount 4630

Utilities

Sewer type Public Sewer
Heating system Electric (Heating), Baseboard
Water source Public

Building Details

Year built 1900
Floors in Building 3
Number of units 4
Building materials Brick
Listing Agency: BHHS Regency Real Estate · Prudential Real Estate
Listed By: Andrew A. Ginsburg
Added: Sep 11 Changed: Oct 23 Last Checked: Nov 1 at 10:06AM
MLS# 784369

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

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Investment Insights

Based on property information with market context.

Located at 437 W Allen Street in Allentown City, Pennsylvania, this 2,112-square-foot brick quadplex sits on 0.041 acres and was built in 1900. The property includes four rentable units: two two-bedroom apartments, an updated third-floor studio, and a separate first-floor office or storefront. Apartment improvements include updated kitchens, hardwood flooring, quartz countertops, and tile bathrooms. A detached rear garage provides an additional rentable component, while off-street and on-street parking are available.

The building has updated electrical service and separate utilities, with public water and public sewer. Heating is provided by electric baseboard systems. The property is zoned R-Mh-Medium High Density and offers a 10% CAP rate. Its location in Allentown City places the asset within the 18102 postal area of Lehigh County.

Key Highlights

  • Four rentable units, including two 2‑bedroom apartments, a studio, and a first‑floor office/storefront
  • 2,112 square feet on a 0.041‑acre lot
  • Detached rear garage offers an additional rentable component

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$26,013
Cap Rate
6.27%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$520,260 $520.3K
Cap Rate 7%
$371,614 $371.6K
Cap Rate 9%
$289,033 $289.0K
Market Conditions
NOI Build-Up for 2,112 SF
Gross rent
$39.3K $18.60/SF
− Vacancy
−$2.1K −$1.00/SF
EGI
$37.2K $17.60/SF
− OpEx
−$11.1K −$5.28/SF
NOI
$26.0K $12.32/SF
Area
Allentown, PA
Vacancy
5.40%
Lease Rate
$18.60 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$520,260
Cap Rate 7%
$371,614
Cap Rate 9%
$289,033

Alternative Uses

Best Use
Retail
$371.6K
$325.2K – $433.6K (±1% cap)
NOI $26,013 @ 7.0% cap · market cap 6.27%
Second Best
Multifamily LT 5
$316.5K
$276.9K – $369.2K (±1% cap)
NOI $22,154 @ 7.0% cap · market cap 5.34%
Theoretical Best
Specialty Retail
$414.9K
$363.1K – $484.1K (±1% cap)
NOI $29,044 @ 7.0% cap · market cap 7.00%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Current Use

Quadplexes

Suggested Use

Top Pick Dental Office Real Estate Agency Gym & Fitness Center Skin Care Clinic Acupuncture Wine and Liquor 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.

Location Intelligence

Trade Area within ½ mile

2,610
Businesses Nearby

Demographics for 18102, PA

51,567
Population
18,788
Households
2.7
Avg Household Size
32
Median Age
11%
College-Educated
76%
High-School Grad
3.0 sq mi
ZIP Area
17,189
Density / Sq Mi
$40,681
Median Household Income
$29,501
Median Earnings
$1,224
Median Rent
$146,600
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025

Frequently Asked Questions

What type of property is this?
Quadplex - Brick income property with separately metered utilities, modern apartment finishes, and a detached garage with additional rental potential.
Where is this quadplex located?
The property is located at 437 W Allen Street Allentown, PA.
What is the asking price?
The asking price for this property is $415,000.
What are key features of this property?
This property features: Four rentable units, including two 2‑bedroom apartments, a studio, and a first‑floor office/storefront; 2,112 square feet on a 0.041‑acre lot; Detached rear garage offers an additional rentable component
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