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The Barn at Millstone Park 3 Mapleton Rd 5,385 SF 100% Leased Office Building Princeton, NJ 08540 $1,965,000 ($364.90/SF)

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Investment Highlights

  • ±5,385 SF Total Square Footage on 2 Levels w/ Separate Private Entrances
  • Completely Renovated and Move-In Ready
  • Princeton Mailing Address (Plainsboro Taxes)
  • Prime Location near Princeton University, Penn Medicine Hospital & Forrestal Village
  • Inclusive of Solar System for Reduced Utility Costs
  • Wide Variety of Office, Medical, Educational or Non-Profit Uses

Executive Summary

FOR SALE: Freestanding ±5,385 SF Professional/ Medical Building
3 Mapleton Rd presents a rare opportunity to purchase a desirably sized building in a sought after area. Located just off of Route 1, the property has a Princeton mailing address, it sits directly across from the Penn Medicine Princeton Medical Center, is minutes from downtown Princeton, and is surrounded by the prestigious Princeton University Campus.
The property is completely renovated and is move-in ready. Featuring vaulted loft style ceilings, beautiful original beams and wood floors, private fireplaces, and windows throughout, its unique upgrades make it a serene and peaceful work environment.
3 Mapleton has two separate first floor entrances and a third walk-up entrance to the second floor, making each floor ADA compliant. It has separate meters and utilities for each floor, making it ideal for one owner occupier, or two separate users. In addition, the property has an upgraded metal roof for longevity and comes included with a full solar system at no additional cost, which significantly reduces the utility costs. It has an abundance of on-site parking, accommodating users needing a high ratio of parking.
The property is located in a PMUD Zone (Planned Unit Development.). This zone includes a wide range of potential uses, make the property Ideal for the following uses: Professional Office Uses (attorney, accountant, architect, IT Staffing or Consulting, Title, Counseling, Therapy), Research Uses: (scietech, laboratory, pharmaceutical), General Education Uses: (non-profit institution, non-profit headquarters, educational institutions, tutoring, college prep), Medical Uses: (physical therapy, wellness center, acupuncture, medical of dental office, ADA Therapy, Disability Day Program, Ault ) or Child Care Centers. The range of ideal uses make the property a great fit for many types of businesses.
Property Features:
• ±5,385 SF Total Square Footage
• First Floor: ±2,210 SF w/ 2 Private Entrances, 2 Bathrooms, Kitchenette, Reception Area, 4 Private Offices and a Conference Room. Renovated and Move-In Ready
• Second Floor: ±2,984 SF w/ Walk up ADA Entrance, Large Vaulted Open Area, Spacious Conference Room, Executive Office, Private Bathroom, Kitchenette, 4 Additional Offices, and Third Floor Private Glassed Office/ Conference Room overlooking the open area.
• Loft Style Vaulted Ceilings with original wood beams and floors and natural light.
• Metal Roof for Longevity
• Inclusive of Solar System for Reduced Utility Costs
• Abundant of On-Site Parking (60+Cars)
• ±4 Acre total Lot
• Princeton Mailing Address (Plainsboro Taxes)
• Prime Location near Princeton University, Penn Medicine Hospital, Forrestal Village, etc.
• Completely Renovated and Move-In Ready
• Wide Variety of Office, Medical, Educational or Non-Profit Uses
• Real Estate Taxes: $21,826 per year
• Asking Price: $1,965,000
3 Mapleton is a rare desirable building in a prestigious area. It presents a unique opportunity to purchase a property for your business. Please call Broker for more information or to schedule a showing.

Property Facts

Sale Type
Investment or Owner User
Property Type
Office
Building Size
5,385 SF
Building Class
C
Year Built/Renovated
2000/2003
Price
$1,965,000
Price Per SF
$364.90
Percent Leased
100%
Tenancy
Multiple
Building Height
2 Stories
Typical Floor Size
2,693 SF
Building FAR
0.04
Lot Size
3.10 AC
Zoning
PMUD - PMUD Zone (Planned Unit Development.)

Property Taxes

Property Taxes

Parcel Number
18-00302-0000-00001-0001-0C301
Land Assessment
$110,000
Improvements Assessment
$203,300
Total Assessment
$313,300
  • Listing ID: 39479476

  • Date on Market: 8/21/2025

  • Last Updated:

  • Address: 3 Mapleton Rd, Princeton, NJ 08540

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