# Planned developments in Mercer County, NJ

Boardwalk found 460+ planned projects in Mercer County, NJ in public filings from the last 12 months, mostly residential and infrastructure. The latest is on the Mercer County Board of County Commissioners agenda for Oct 6, 2026.

Data as of Oct 11, 2026. Updated monthly. Page: https://boardwalkai.com/development/new-jersey/mercer/

## Mercer County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 460+ |
| New in the last 30 days | 42 |
| Most common type | Residential |
| Latest filing | Oct 6, 2026, Mercer County Board of County Commissioners |
| Sources we check | 8 |

Last 12 months, duplicates merged. Includes private, public, and small jobs. How we count: https://boardwalkai.com/coverage/#how-we-count

## What's planned in Mercer County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Residential | 140+ | 32% |
| Infrastructure | 110+ | 26% |
| Development decisions | 79 | 17% |
| Public and institutional | 60 | 13% |
| Commercial | 35 | 8% |
| Industrial | 14 | 3% |
| Mixed use | 7 | 2% |

## Recent projects in Mercer County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| $111.5K Abey Drive Improvement Project Engineering Services | Pennington, NJ | Not stated | Transportation | Not stated in filing | In design | Oct 5, 2026 |
| $109,500 Lead Service Line Planning and Design | Pennington, NJ | Not stated | Pipelines | Not stated in filing | In design | Sep 28, 2026 |
| $111.5K Abey Road Improvement Project Re-Design | Pennington, NJ | Not stated | Roads and highways | Not stated in filing | Out to bid | Sep 28, 2026 |
| $545K Sked Street, Vannoy Avenue, and West Welling Street Road Improvement Project | Pennington, NJ | Not stated | Roads and highways | Not stated in filing | In design | Sep 28, 2026 |
| $2M Renovation of County Building for Mercer County Connection | Mercer County, NJ | Not stated | Government buildings | Not stated in filing | Early planning | Sep 22, 2026 |
| $236K Architectural and Engineering Contract for 1070 Klockner Road Upgrades | Hamilton Township, NJ | Not stated | Government buildings | Not stated in filing | In design | Sep 22, 2026 |
| 4-Unit Residential Conversion at 10 Rutgers Place | Trenton, NJ | Anerope Management, LLC | Multifamily | 4 units | Seeking approval | Sep 16, 2026 |
| 264,772 SF Data Center Expansion | East Windsor, NJ | QTS Investment Properties Princeton, LLC | Data centers | 193 acres | Seeking approval | Sep 9, 2026 |
| 25-Unit Mixed-Use Renovation | Trenton, NJ | 127-129 E State, LLC | Residential | 25 units | Seeking approval | Aug 13, 2026 |
| 7-Unit Rowhouse Development on 0.42 Acres | Trenton, NJ | Minaret Group, LLC | Townhomes | 7 townhomes · 0.42 acres | Approved | Aug 12, 2026 |
| Office/Warehouse Development at 61 Route 31 North | Hopewell Township, NJ | Hopewell Solar | Warehouses and distribution | Not stated in filing | Continued | Jun 25, 2026 |

Showing 11 of 460+ projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Mercer County

- [Princeton, NJ](https://boardwalkai.com/development/new-jersey/princeton/) · 140+ projects
- [Hamilton Square, NJ](https://boardwalkai.com/development/new-jersey/hamilton-square/) · 62 projects
- [Trenton, NJ](https://boardwalkai.com/development/new-jersey/trenton/) · 55 projects
- [Hopewell, NJ](https://boardwalkai.com/development/new-jersey/hopewell/) · 50 projects
- [Pennington, NJ](https://boardwalkai.com/development/new-jersey/pennington/) · 38 projects
- [Robbinsville Center, NJ](https://boardwalkai.com/development/new-jersey/robbinsville-center/) · 33 projects
- [Hightstown, NJ](https://boardwalkai.com/development/new-jersey/hightstown/) · 28 projects

## Nearby places

- [Somerset County, NJ](https://boardwalkai.com/development/new-jersey/somerset/) · 470+ projects
- [Hunterdon County, NJ](https://boardwalkai.com/development/new-jersey/hunterdon/) · 120+ projects
- [Middlesex County, NJ](https://boardwalkai.com/development/new-jersey/middlesex/) · 1,000+ projects
- [Burlington County, NJ](https://boardwalkai.com/development/new-jersey/burlington/) · 300+ projects
- [Ocean County, NJ](https://boardwalkai.com/development/new-jersey/ocean/) · 710+ projects
- [Monmouth County, NJ](https://boardwalkai.com/development/new-jersey/monmouth/) · 1,100+ projects

All places in New Jersey: [New Jersey](https://boardwalkai.com/development/new-jersey/)

## Questions about Mercer County

### What's planned in Mercer County, NJ?

Boardwalk found 460+ planned projects in Mercer County, NJ in the last 12 months, mostly residential and infrastructure. The latest is on the Mercer County Board of County Commissioners agenda for Oct 6, 2026.

### Where does this data come from?

Boardwalk's Mercer County projects come from public meeting records, such as Mercer County Board of County Commissioners agendas and minutes. Each one links to the original filing.

### How current is it?

Boardwalk checks Mercer County's public records at least once a week; the last check was Oct 11, 2026. These counts are as of Oct 11, 2026 and refresh monthly.

### Can I get an Alert for new Mercer County projects?

Yes, a Boardwalk Alert emails you new Mercer County projects daily, weekly, or monthly. Start with a 7-day free trial, no credit card needed.

## Get the full data

- **Count for free.** Connect Boardwalk to Claude or ChatGPT and ask how many projects match. Counting is free during your trial and on every plan. [Use it in Claude or ChatGPT](https://boardwalkai.com/mcp/)
- **Open the records.** Start a 7-day free trial, no credit card. It includes 50 project records. [Start free trial](https://boardwalkai.com/auth/signup/)
- **Use it in your tools.** CSV export, the API, and the MCP server come with every plan. [API docs](https://boardwalkai.com/docs/api/)
- **Download these numbers.** [mercer.json](https://boardwalkai.com/data/places/new-jersey/mercer.json) · [mercer.md](https://boardwalkai.com/development/new-jersey/mercer/index.md)

## How to cite

Source: Boardwalk, "Planned developments in Mercer County, NJ", boardwalkai.com/development/new-jersey/mercer/, data as of Oct 11, 2026.

How we count: https://boardwalkai.com/coverage/#how-we-count