Mixed-Use Conversion Building
431 W Union Boulevard Bethlehem, PA 18018
For Sale
$599,900
MULTI_FAMILY - Bethlehem City, PA
Property Size4,082 SF
Lot Size0.29 Acres
Price / SF$146.96
Days on Market206
Property Features for 431 W Union Boulevard
General Information
- Property type
- Residential Multi Family
- Property subtype
- Other
- Zoning
- Rt-Residential
- Parking
- 12
- Standard status
- Active
- APN
- 642739721641 001
- Size
- 4,082 SF
- Lot size
- 0.29 Acres
Taxes and HOA fees
- Tax Annual Amount
- 7623
Utilities
- Sewer type
- Public Sewer
- Heating system
- Natural Gas
- Cooling system
- Central Air, Wall Unit(s)
- Water source
- Public
Building Details
- Year built
- 1910
- Number of units
- 5
- Building materials
- Brick
Listing Agency:
Century 21 Ramos Realty
(610) 866-4423
Listed By:
Anthony Ramos · License #AB068035
(610) 866-4423
Added: Jan 2
Changed: Jul 21
Last Checked: Jul 27 at 5:06AM
MLS# 769868
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.
Investment Insights
Based on property information with market context.
This one-of-a-kind commercial property totals just over 4,000 square feet and is currently under construction. The main level features a spacious open area designed for commercial use, while the second floor includes multiple rooms and bathrooms. Additional finished space is contemplated for a third-floor loft-style apartment configuration, subject to development plans.
The property sits on a 0.286-acre lot in North Bethlehem, with rear parking and a detached storage building and garage that include water and electric. A large side lot also supports flexible site planning.
The existing building layout and lot improvements provide multiple pathways for redevelopment, including the stated concept of commercial space on the first floor, three one-bedroom apartments on the second floor, and loft-style living space on the third floor. Schedule an appointment to review the building and share your plans.
The property sits on a 0.286-acre lot in North Bethlehem, with rear parking and a detached storage building and garage that include water and electric. A large side lot also supports flexible site planning.
The existing building layout and lot improvements provide multiple pathways for redevelopment, including the stated concept of commercial space on the first floor, three one-bedroom apartments on the second floor, and loft-style living space on the third floor. Schedule an appointment to review the building and share your plans.
Key Highlights
- One‑of‑a‑kind commercial property over 4,000 sq. ft in North Bethlehem, previously used as a club/fraternal association
- Building has brick construction, natural gas heating, central air, and wall unit(s)
- Main level offers a spacious open area suitable for commercial space
Financial Insights For Retail
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 | $43.1k | $10.56 |
| − Vacancy | −$3.4k | −$0.82 |
| EGI | $39.7k | $9.74 |
| − OpEx | −$11.9k | −$2.92 |
| NOI | $27.8k | $6.82 |
4,082 SF · lease $10.56/SF/yr · vacancy 7.80% · expense 30.00%
Alternative Uses
Best Use
Retail
$397.4K
$347.8K – $463.7K
NOI $27,821 @ 7.0% cap · market cap 4.64%
Second Best
Apartment 5plus
$340.7K
$298.1K – $397.4K
NOI $23,846 @ 7.0% cap · market cap 3.97%
Theoretical Best
Mixed Use
$600.3K
$525.2K – $700.3K
NOI $42,019 @ 7.0% cap · market cap 7.00%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Retail space
FAQs
What type of property is this?
Apartment building - Commercial building with open main level, multiple second-floor rooms and bathrooms, plus rear parking and detached storage/garage.
Where is this apartment building located?
The property is located at 431 W Union Boulevard Bethlehem, PA.
What is the asking price?
The asking price for this property is $599,900.
What are key features of this property?
This property features: One‑of‑a‑kind commercial property over 4,000 sq. ft in North Bethlehem, previously used as a club/fraternal association; Building has brick construction, natural gas heating, central air, and wall unit(s); Main level offers a spacious open area suitable for commercial space