Multi-Floor Office
New
For Lease
$500/Mo
11 S MILL ST. Suite #309, 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 #309
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 7:06PM
MLS# 1781717
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 in downtown New Castle. The third-floor layout includes private offices, conference rooms, a kitchenette, restrooms and file rooms, alongside open-plan areas. A catwalk overlooks the building’s brick interior. The listing also identifies Suite 303 as approximately 200 square feet and describes more than 6,430 square feet of available third-floor space.
The property is at 11 S Mill St. at the corner of E. Washington St. On-site parking has designated spaces for employees and guests, with entrances from both streets. The zoning designation is C-1.
The property is at 11 S Mill St. at the corner of E. Washington St. On-site parking has designated spaces for employees and guests, with entrances from both streets. The zoning designation is C-1.
Key Highlights
- Office leasing availability on the first, third and fourth floors
- Third floor offers more than 6,430 square feet of available space
- Suite 303 is approximately 200 square feet
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 - Leasing options span several floors, with private offices, conference rooms, open areas and support facilities.
Where is this office unit located?
The property is located at 11 S MILL ST. Suite #309 New Castle, PA.
What is the lease rate?
The lease rate is $500/Mo.
What are key features of this property?
This property features: Office leasing availability on the first, third and fourth floors; Third floor offers more than 6,430 square feet of available space; Suite 303 is approximately 200 square feet
