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Two-Story Office Building
For Sale
$310,000

135 N 5th Street, Allentown, PA 18102

CommercialSale, Allentown City, PA

Property Size3,034 SF
Lot Size0.16 Acres
Price / SF$102.18
Days on Market52

Property Features for 135 N 5th Street

General Information

Property type Commercial Sale
Property subtype Office
Zoning R-H
Parking 9
Parking features Parking Lot
Elementary school district Allentown
Middle school district Allentown
High school district Allentown
Directions Straight on Hamilton Blvd for 3.1 miles, left on N.6th St., right on W. Turner St., right on N. 5th St.
Subdivision Allentown-Central
Standard status Active
APN 640711874464 1
Size 3,034 SF
Lot size 0.16 Acres

Taxes and HOA fees

Tax Annual Amount 5367

Utilities

Sewer type Public Sewer
Heating system Natural Gas
Cooling system Central Air
Water source Public

Amenities

central air

Building Details

Year built 1865
Building materials AluminumSiding, Brick
Listing Agency: RE/MAX Real Estate · RE/MAX International
Listed By: Howard C. Schaeffer · License #RS277208
Added: Sep 10 Changed: Oct 16 Last Checked: Oct 31 at 5:06PM
MLS# 784306

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.

Built in 1865, this 3,034-square-foot, two-story office building sits on 0.162 acres and provides a multi-suite professional layout. The first floor includes a reception and waiting area, three private offices, open workspace, kitchenette, and two powder rooms. The second floor adds two open work areas, five private offices, and two additional powder rooms. Each level has its own electric and gas meter, while central air and natural-gas heating serve the building.

The property includes nine private parking spaces and a parking lot, with public water and public sewer. Located at 135 N 5th Street in Allentown City, the building is within walking distance of the Lehigh County Courthouse, Symphony Hall, the Allentown Art Museum, restaurants, and the Arts Walk. The property is identified with R-H zoning and features aluminum siding and brick construction.

Key Highlights

  • 3,034 square feet on a 0.162‑acre lot
  • Two‑story layout with 8 private offices and 2 open work areas
  • Nine private parking spaces with on‑site parking lot

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$16,471
Cap Rate
5.31%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$329,420 $329.4K
Cap Rate 7%
$235,300 $235.3K
Cap Rate 9%
$183,011 $183.0K
Market Conditions
NOI Build-Up for 3,034 SF
Gross rent
$23.7K $7.80/SF
− Vacancy
−$1.7K −$0.56/SF
EGI
$22.0K $7.24/SF
− OpEx
−$5.5K −$1.81/SF
NOI
$16.5K $5.43/SF
Area
Allentown, PA
Vacancy
7.20%
Lease Rate
$7.80 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$329,420
Cap Rate 7%
$235,300
Cap Rate 9%
$183,011

Alternative Uses

Best Use
Office B
$235.3K
$205.9K – $274.5K (±1% cap)
NOI $16,471 @ 7.0% cap · market cap 5.31%
Second Best
—
—
no second resolved use
Theoretical Best
Specialty Retail
$596.1K
$521.6K – $695.4K (±1% cap)
NOI $41,724 @ 7.0% cap · market cap 13.46%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Current Use

Office buildings

Suggested Use

Top Pick Skin Care Clinic Gym & Fitness Center Acupuncture Bakery Florist Locksmith

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

Yes
Utilities to site

Location Intelligence

Trade Area within ½ mile

3,315
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 Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025

Frequently Asked Questions

What type of property is this?
Office building - Downtown office property with separate utility metering and on-site parking.
Where is this office building located?
The property is located at 135 N 5th Street Allentown, PA.
What is the asking price?
The asking price for this property is $310,000.
What are key features of this property?
This property features: 3,034 square feet on a 0.162‑acre lot; Two‑story layout with 8 private offices and 2 open work areas; Nine private parking spaces with on‑site parking lot
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