# Planned developments in Piatt County, IL

Boardwalk found 22 planned projects in Piatt County, IL in public filings from the last 12 months, mostly infrastructure and residential. The latest is on the Monticello Historic Preservation Commission agenda for Oct 6, 2026.

Data as of Oct 19, 2026. Updated monthly. Page: https://boardwalkai.com/development/illinois/piatt/

## Piatt County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 22 |
| New in the last 30 days | 3 |
| Most common type | Infrastructure |
| Latest filing | Oct 6, 2026, Monticello Historic Preservation Commission |
| Sources we check | 1 |

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 Piatt County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Infrastructure | 9 | 41% |
| Residential | 6 | 27% |
| Development decisions | 4 | 18% |
| Commercial | 2 | 9% |
| Public and institutional | 1 | 5% |

## Recent projects in Piatt County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| W. Washington Streetscape Renewal Project | Monticello, IL | Not stated | Transportation | Not stated in filing | Approved | Oct 6, 2026 |
| Newton Street Storm Water Drainage Infrastructure Improvement | Mansfield, IL | Not stated | Stormwater and drainage | Not stated in filing | Out to bid | Oct 5, 2026 |
| 4.99 MW Commercial Solar Energy Facility | White Heath, IL | Tree Line Solar, LLC | Power plants | Not stated in filing | Seeking approval | Jun 25, 2026 |
| County Highway 5 Improvement | Cerro Gordo, IL | Not stated | Roads and highways | Not stated in filing | Early planning | Jun 10, 2026 |
| 120-Acre Solar Energy Facility | Monticello, IL | Sol Source Power Devco, LLC | Power plants | 120.9 acres | Seeking approval | Feb 13, 2026 |

Showing 5 of 22 projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Piatt County

- Monticello, IL · 19 projects
- Cerro Gordo, IL · 6 projects
- Mansfield, IL · 3 projects
- Bement, IL · 1 project
- Hammond, IL · Checked, no projects in 12 months

## Nearby places

- [Champaign County, IL](https://boardwalkai.com/development/illinois/champaign/) · 420+ projects
- [De Witt County, IL](https://boardwalkai.com/development/illinois/de-witt/) · 83 projects
- [Macon County, IL](https://boardwalkai.com/development/illinois/macon/) · 190+ projects
- Douglas County, IL · 23 projects
- [Moultrie County, IL](https://boardwalkai.com/development/illinois/moultrie/) · 34 projects
- [Ford County, IL](https://boardwalkai.com/development/illinois/ford/) · 47 projects

All places in Illinois: [Illinois](https://boardwalkai.com/development/illinois/)

## Questions about Piatt County

### What's planned in Piatt County, IL?

Boardwalk found 22 planned projects in Piatt County, IL in the last 12 months, mostly infrastructure and residential. The latest is on the Monticello Historic Preservation Commission agenda for Oct 6, 2026.

### Where does this data come from?

Boardwalk's Piatt County projects come from public meeting records, such as Monticello Historic Preservation Commission agendas and minutes. Each one links to the original filing.

### How current is it?

Boardwalk checks Piatt County's public records at least once a week; the last check was Oct 18, 2026. These counts are as of Oct 19, 2026 and refresh monthly.

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

Yes, a Boardwalk Alert emails you new Piatt 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.** [piatt.json](https://boardwalkai.com/data/places/illinois/piatt.json) · [piatt.md](https://boardwalkai.com/development/illinois/piatt/index.md)

## How to cite

Source: Boardwalk, "Planned developments in Piatt County, IL", boardwalkai.com/development/illinois/piatt/, data as of Oct 19, 2026.

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