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Property Description
NEW PRICE: $349,000 w/ Owner Down Payment Financing possible up to $50K as a second lien!!! 521 N. 6th Street presents an exceptional opportunity to acquire a fully licensed Single Room Occupancy (SRO) investment delivering immediate cash flow, strong operating performance, and meaningful upside in one of the Lehigh Valley's most resilient rental markets. Priced at just $349,000, this stabilized asset generates a Current Net Operating Income of $31,140, producing an impressive 8.92% capitalization rate. Through modest rent optimization and continued professional management, the property offers a projected Pro Forma NOI of $34,140, increasing returns to an outstanding 9.78% pro forma cap rate. These performance metrics position the property among the stronger cash-flow opportunities currently available in the region. Unlike traditional multifamily properties that rely on a small number of apartment leases, this licensed SRO benefits from multiple independent income streams, helping to reduce vacancy exposure while creating consistent monthly cash flow. The property is currently operating at 100% occupancy, with several rooms still offering measurable rental upside, allowing investors to increase revenue without significant capital improvements. Based on conventional financing assumptions of 25% down, 6.85% interest and 30-year amortization, the property demonstrates strong debt coverage while the potential for up to $50,000 in owner-financed down payment assistance as a second lien may provide additional flexibility for qualified buyers. With strong in-place income, efficient operating expenses, a clear value-add strategy and the potential for creative financing, 521 N. 6th Street represents an excellent opportunity for investors seeking dependable cash flow, long-term appreciation, or a high-performing addition to an existing portfolio.
Full Property Details
Full Property Details for 521 N 6th St
General
- Price: $349,000
- HOA FEE: $1,130
- Taxes: $2,537
- Status: Active
- Type: Apartment
- Source: Lehigh_Valley
- MLS ID: 783022
- Updated: 8/20/2026
- Added to Site: 3 day(s) ago
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 3
Bedrooms
- Total Bedrooms: 5
Parking
- Garage: Yes
- Parking Features: Detached, Garage, On Street
Location
- Area: Allentown-Central
- County: Lehigh
- Subdivision: Not in Development
- Driving Directions: From Route 22, take 145 South. Make a Left onto Linden and then a Left onto N. 6th St. Property will be on the right.
School Information
- Elem School District: Allentown
- Midd School District: Allentown
- High School District: Allentown
Community
- Home Owners Assn.: Lehigh Valley MLS
Heating & Cooling
- Heating Type: Baseboard, Electric
Utilities
- Sewer: Public Sewer
- Water: Public
Structural Information
- Construction: Brick
- Stories/Levels: 3
- Square Feet: 2,208
- Living Area: 2,208 Sq. Ft.
- Year Built: 1890
Lot Features
- Lot Size (Acres): 0.044
- Lot Size (Sq. Ft.): 1,921
- Lot Size Source: Public Records
- Zoning: R-MH
Financial Considerations
- Maint. Fee: $1,130
- Operating Expenses: $6,516
- Tax Amount: $2,537
Disclosures and Reports
- Property ID: 640703539721 1
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Schools
Schools serving 521 N 6th St
School District:Allentown City School District
| Name | Grades | Distance |
|---|---|---|
Francis D Raub Middle School 102 South Saint Cloud Street, Allentown, PA 18104 | 6-8 | 1.5 mi |
William Allen High School 106 N 17th St, Allentown, PA 18104 | 9-12 | 1.4 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 521 N 6th St
Date
Details
Price
Change
Source
8/19/2026
Listed
$349,000
45.42%
MLS
5/20/2022
Sold
$240,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 521 N 6th St
Year
Property Taxes
Change
Tax Assessment
Change
2026
$2,555
1%
$78,700
—
2025
$2,537
—
$78,700
—
2024
$2,537
—
$78,700
—
2023
$2,537
-36%
$78,700
—
2022
$3,978
71%
$78,700
—
2019
$2,324
—
$78,700
—
2020
$2,335
2%
$78,700
—
2019
$2,296
7%
$78,700
—
2018
$2,146
3%
$78,700
—
2017
$2,091
—
$78,700
—
2016
$2,095
—
$78,700
—
2015
$2,096
-33%
$78,700
—
2014
$3,114
—
$78,700
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 521 N 6th St
521 N 6th Street, Allentown City, PA 18102 (MLS# 783022) is a Apartment property with 5 bedrooms and 3 full bathrooms. 521 N 6th Street is currently listed for $349,000 and was received on August 19, 2026. Want to learn more about 521 N 6th Street? Do you have questions about finding other Apartment real estate for sale in Allentown City? You can browse all Allentown City real estate or contact a Coldwell Banker agent to request more information.

