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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 sloped 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, Specials Needs Day Program, Adult or DayCare 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/ Side ADA Entrance, Large Vaulted Open Area, Spacious Conference Room, Owners 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: $1,899,000 3 Mapleton is a rare desirable building in a prestigious area.Please call Broker for more information or a showing.

  • Year Built
    2000
  • Stories
    2.0
  • Construction Materials
    See Remarks
  • Parking Features
    On Site
  • Living Area
    5385.0
  • Flooring
    Tile, Wood, See Remarks
  • Cooling
    Central Air
  • Heating
    Forced Air

  • Acres
    3.1
  • Utilities
    Natural Gas Available, See Remarks
  • Water
    Public


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Frequently Asked Questions

How do I schedule a tour of 3 Mapleton Rd #3 1?

We can make that happen quickly. Click Tour This Home and we'll connect you directly with our vetted local partner to schedule your visit to 3 Mapleton Rd #3 1.

They know commercial sales in the area well and can give you the guidance you need to buy with confidence.

How do I get more information about 3 Mapleton Rd #3 1?

Click Ask a Question to talk with our team. You already know it is a N/A bed, N/A bath, listed for $1,899,000. We can talk through recent upgrades, potential seller motivation, how this commercial sale compares to others in Plainsboro, and can even get you in to see the property quickly.

How do I get a virtual tour of 3 Mapleton Rd #3 1?

Yes! A virtual tour is available for 3 Mapleton Rd #3 1. Click here to view the full walkthrough and explore every room at your own pace. If you would like a guided virtual showing or have questions along the way, we can connect you with our local expert to walk you through it live.

How much is the monthly mortgage payment for 3 Mapleton Rd #3 1?

With a 20% down payment and a 30-year fixed loan at an illustrative 7.25% rate, the ez Mortgage Calculator estimates the monthly payment for 3 Mapleton Rd #3 1 at around $12,732. This includes estimated property taxes and insurance.

Want to see how this changes with different down payments or interest rates? Jump to the calculator to run the numbers and fine-tune your plan.

How do I get pre-approved to buy 3 Mapleton Rd #3 1?

Stand out in a competitive market by getting pre-approved today. Our quick and private pre-approval process helps you understand your true buying power—no credit pull required to explore all of your options.

Or, let us connect you with our preferred local lender in Middlesex County. They will give you all of your available financing options, based on your specific situation and what is available to you.

Can I negotiate the asking price for 3 Mapleton Rd #3 1?

In most cases, yes. Whether 3 Mapleton Rd #3 1 is priced competitively or not, your best offer depends on your personal situation, the seller's timeline, and recent activity in Plainsboro's market. Our preferred local partner will help you craft a strategy—factoring in comparable properties that have sold, timing, and deal structure—to make a smart, strong offer. Click here to ask about negotiation opportunities.

How do I make an offer on 3 Mapleton Rd #3 1?

We can handle that for you. Our preferred local agent specializes in commercial sales in Plainsboro and can guide you through every step of the offer process.

You need an expert who is looking out for your best interests. From market valuation to contingencies and timing, they'll help you present a compelling offer that fits your goals. Click Ask a Question to get started today.

What is the price per square foot for this home?

This home is listed at $1,899,000 with 5,385 sqft of space—that comes out to approximately $353 per square foot.

How long has this property been on the market?

3 Mapleton Rd #3 1 was listed on February 19, 2026, which means it's been on the market for 267 days.

Want to keep tabs on it? Click the ♥ to favorite this home and get notified of price drops or changes.

When was this house built?

This home was built in 2000, making it approximately 26 years old.

What is the lot size of this property?

3 Mapleton Rd #3 1 sits on a 3.1-acre lot, which is 135,036 square feet.

What are the property taxes for 3 Mapleton Rd #3 1?

The most recent public record shows annual property taxes for 3 Mapleton Rd #3 1 were approximately $23,104. This may change with reassessment or exemptions. Our local partner can verify current tax amounts and help you estimate future costs based on your situation.

Is 3 Mapleton Rd #3 1 still available for sale?

This home is under contract, but may still accept backup offers. Click ♥ to track updates or connect with our local expert to see if it's still worth pursuing.

Source: ez Home Search, MLS Data

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