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Renovated Medical Office Building
For Sale
$1,899,000

3-1-3 Mapleton Rd, Princeton, NJ 08540

Completely renovated professional/medical building with vaulted ceilings, multiple entrances, and abundant on-site parking.

Property Size5,385 SF
Price / SF$352.65
Days on Market243

Property Features for 3-1-3 Mapleton Rd

General Information

Standard status Active
Size 5,385 SF

Taxes and HOA fees

Annual Taxes $23,104
Listing Agency: DAVIS REALTORS
Listed By: BRIAN T. WALSH
Source: Exprealty
Added: Feb 19 Changed: Oct 17 Last Checked: Oct 19 at 10:56AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of DAVIS REALTORS

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Investment Insights

Based on property information with market context.

3 Mapleton Rd is a freestanding, completely renovated professional/medical office building offering three levels of flexible space with loft-style vaulted ceilings, original wood beams and wood floors, private fireplaces, and windows throughout. The building includes multiple entrances, including two separate first-floor entrances and an additional sloped entrance to the second floor; each floor is described as ADA compliant. First-floor space totals 2,210 SF with two private entrances, two bathrooms, a kitchenette, reception area, four private offices, and a conference room. Second-floor space totals 2,984 SF with a side ADA entrance, a large vaulted open area, a spacious conference room, an owners office, a private bathroom, a kitchenette, and four additional offices. A third-floor level includes a private glassed office/conference room overlooking the open area.

The property is located just off Route 1 and sits directly across from Penn Medicine Princeton Medical Center. It is described as minutes from downtown Princeton and surrounded by Princeton University Campus. It features a metal roof described for longevity and includes a solar system to reduce utility costs, and it is offered in a PMUD zone (Planned Unit Development.). The site has abundant on-site parking, accommodating 60+ cars.

The building is listed for sale with separate meters and utilities for each floor, which is described as suitable for one owner-occupier or two separate users.

Key Highlights

  • 5,385 SF freestanding professional/medical building on a 4‑acre lot
  • Completely renovated and move‑in ready with vaulted loft ceilings, original wood beams, and wood floors
  • Two separate first‑floor entrances plus a sloped second‑floor entrance; each floor is ADA compliant

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$74,777
Cap Rate
3.94%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,495,540 $1.5M
Cap Rate 7%
$1,068,243 $1.1M
Cap Rate 9%
$830,856 $830.9K
Market Conditions
NOI Build-Up for 5,385 SF
Gross rent
$159.0K $29.52/SF
− Vacancy
−$34.3K −$6.38/SF
EGI
$124.6K $23.14/SF
− OpEx
−$49.9K −$9.26/SF
NOI
$74.8K $13.89/SF
Area
Mercer County, NJ
Vacancy
21.60%
Lease Rate
$29.52 /SF/Yr
Expense Ratio
40.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,495,540
Cap Rate 7%
$1,068,243
Cap Rate 9%
$830,856

Alternative Uses

Best Use
Healthcare Medical
$1.07M
$934.7K – $1.25M (±1% cap)
NOI $74,777 @ 7.0% cap · market cap 3.94%
Second Best
Office B
$690.1K
$603.9K – $805.2K (±1% cap)
NOI $48,310 @ 7.0% cap · market cap 2.54%
Theoretical Best
Warehouse
$1.73M
$1.52M – $2.02M (±1% cap)
NOI $121,279 @ 7.0% cap · market cap 6.39%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Current Use

Office buildings

Suggested Use

Top Pick Real Estate Agency Dental Office Auto Repair Shop Restaurant Nail Salon Law Firm

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

405
Businesses Nearby

Demographics for 08540, NJ

48,216
Population
19,255
Households
2.5
Avg Household Size
41
Median Age
82%
College-Educated
98%
High-School Grad
51.7 sq mi
ZIP Area
933
Density / Sq Mi
$169,898
Median Household Income
$80,357
Median Earnings
$2,083
Median Rent
$723,400
Median Home Value

Market

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025

Frequently Asked Questions

What type of property is this?
Office building - Completely renovated professional/medical building with vaulted ceilings, multiple entrances, and abundant on-site parking.
Where is this office building located?
The property is located at 3-1-3 Mapleton Rd Princeton, NJ.
What is the asking price?
The asking price for this property is $1,899,000.
What are key features of this property?
This property features: 5,385 SF freestanding professional/medical building on a 4‑acre lot; Completely renovated and move‑in ready with vaulted loft ceilings, original wood beams, and wood floors; Two separate first‑floor entrances plus a sloped second‑floor entrance; each floor is ADA compliant
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