Middlesex County · Plainsboro Township · #25-1823+B
1 Plainsboro Road
1 Plainsboro Road, Plainsboro Township, NJ · 202,893 sq ft non-residential, institutional
About this project
A new-construction medical and nursing care building of about 202,893 sq ft at 1 Plainsboro Road in Plainsboro Township, New Jersey.
Official description: Medical, nursing care, for 6+ occupants; reported construction cost $208,749,999
- Plan type
- Building permit (new construction)
- Land use
- Medical, nursing care, for 6+ occupants
- Status
- Permit
Filing history
- 2025-12-30 · #25-1823+C · Building permit (new construction)
- 2025-12-30 · #25-1823+B · Building permit (new construction) · 202,893 sq ft
- 2025-09-25 · #25-1823 · Building permit (new construction) · 202,893 sq ft
- 2024-06-20 · #24-0875 · Building permit (new construction) · 406,345 sq ft
The full picture AI research · Nov 1, 2026
County records describe a new building of about 202,893 square feet at 1 Plainsboro Road in Plainsboro Township. It would be used for medical and nursing care. That is a very large building, similar in scale to a hospital wing or a large care facility.
This address is listed publicly as the Princeton Medical Center campus, which Penn Medicine Princeton Health operates. The county records do not say who the applicant is or who would occupy the building. No news coverage, township agenda or developer page was found that clearly matches this 2025 filing, so the user should not assume who is behind it.
Older local coverage covers other hospital-area projects, including a parking garage and a cancer center. This summary does not link them to this filing.
What it could mean nearby
- A building of this size on a hospital campus could add vehicle trips from patients, visitors and staff. No traffic study was found.
- Medical and nursing uses typically bring healthcare jobs, but the records give no job counts.
- The records do not address schools, open space or housing.
Where it stands
A filing with the county was recorded on 2025-12-30, so the project is at the review stage. Township site plan review usually comes next, with a public hearing before a decision.
- Dec 30, 2025 Latest county planning filing for the project
Want to weigh in? Plainsboro Township's Planning Board usually reviews site plans for projects like this at public meetings, and the township website posts agendas and minutes.
Planning terms explained
- Site plan
- A detailed drawing and review of how a building, parking, drainage and access will be laid out on a property.
- Institutional use
- A category of land use for buildings such as hospitals, schools and care facilities rather than homes or stores.
- Non-residential square footage
- The total floor area of a building that is not used for housing.
- County planning filing
- A submission to the county planning board, which reviews projects that affect county roads or drainage, in addition to the township's own review.
We searched the web for this project but found nothing beyond the county record, so this explanation is based on the filing alone. Researched by AI from public sources on Nov 1, 2026. It can make mistakes, so check the linked sources and the municipality before relying on it.
Scope estimate for contractors
Estimated construction value: $71.0M
- ~1,014 roofing squares (assumes 2 stories)
- ~507 tons of cooling (rule of thumb 400 sq ft/ton)
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