Office Suite with Street
New
For Lease
$1,250/Mo
11 S Mill St Suite #303, New Castle, PA 16101
CommercialLease, New Castle, PA
Space SizeContact for details
Lot Size0.10 Acres
Days on Market1
Property Features for 11 S Mill St Suite #303
General Information
Property type
Commercial Lease
Property subtype
Office
Zoning
C-1
Zoning description
C-1
Subdivision
New Castle/2nd
Standard status
Active
Lot size
0.10 Acres
Taxes and HOA fees
Tax Annual Amount
7209
Listing Agency:
CASTLE REALTY
Listed By:
Samantha Blundo · License #RS325998
(724) 654-5589
Added: Nov 2
Last Checked: Nov 2 at 6:06PM
MLS# 1781714
Copyright © 2026 West Penn Multi List, Inc. 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.
Office space is available on the first, third, and fourth floors of the Riverplex Complex, a historic property at 11 S Mill St. Suite 303 offers approximately 712 square feet and a street-facing view. Third-floor availability totals over 6,430 sq.ft., with distinct layouts on the west and east sides. The west side includes up to four private offices, two conference rooms, a kitchenette, and restrooms. The east side features open-concept space, four private offices, restrooms, and file rooms, with a catwalk overlooking the building’s brick interior.
The property sits at the corner of S. Mill Street and E. Washington Street in downtown New Castle. A lighted parking lot provides designated spaces for employees and guests, with multiple entrances from both streets.
The property sits at the corner of S. Mill Street and E. Washington Street in downtown New Castle. A lighted parking lot provides designated spaces for employees and guests, with multiple entrances from both streets.
Key Highlights
- Suite 303 measures approximately 712 square feet and has a street view
- Third‑floor availability totals over 6,430 sq.ft.
- West side includes up to 4 private offices, 2 conference rooms, a kitchenette, and restrooms
Property Analytics
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Current Use
Lease Details
NNN (Triple Net)
Lease Type
Location Intelligence
Trade Area within ½ mile
996
Businesses Nearby
Explore this area
Business Placement
Demographics for 16101, PA
31,960
Population
14,755
Households
2.2
Avg Household Size
44
Median Age
18%
College-Educated
92%
High-School Grad
69.2 sq mi
ZIP Area
462
Density / Sq Mi
$50,481
Median Household Income
$36,670
Median Earnings
$706
Median Rent
$109,600
Median Home Value
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Market
Vacancy Rate% for Office in Northeast region
Frequently Asked Questions
What type of property is this?
Office unit - C-1-zoned workspace includes access to a lighted parking area with assigned spaces for employees and guests.
Where is this office unit located?
The property is located at 11 S Mill St Suite #303 New Castle, PA.
What is the lease rate?
The lease rate is $1,250/Mo.
What are key features of this property?
This property features: Suite 303 measures approximately 712 square feet and has a street view; Third‑floor availability totals over 6,430 sq.ft.; West side includes up to 4 private offices, 2 conference rooms, a kitchenette, and restrooms
