# Planned developments in Jefferson County, IL

Boardwalk found 130+ planned projects in Jefferson County, IL in public filings from the last 12 months, mostly infrastructure.

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

## Jefferson County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 130+ |
| New in the last 30 days | 2 |
| Most common type | Infrastructure |
| Latest filing | Oct 5, 2026 |
| Sources we check | 7 |

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 Jefferson County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Infrastructure | 78 | 59% |
| Residential | 25 | 19% |
| Public and institutional | 12 | 9% |
| Commercial | 12 | 9% |
| Development decisions | 5 | 4% |
| Industrial | 1 | 1% |

## Recent projects in Jefferson County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| Sewer Lift Station Lining Project | Mount Vernon, IL | Not stated | Sewer lift stations | Not stated in filing | Out to bid | Oct 5, 2026 |
| Optimist Park Basketball Court and Dog Park Improvements | Mount Vernon, IL | Not stated | Parks | Not stated in filing | Out to bid | Sep 21, 2026 |
| $3M Streetscape Improvement Project | Mount Vernon, IL | Not stated | Transportation | Not stated in filing | Approved | Sep 8, 2026 |
| $3M Public Works & Utilities Building | Mount Vernon, IL | Not stated | Government buildings | Not stated in filing | Approved | Sep 8, 2026 |
| Woodland Drive to East Side CTA Water Main Extension | Mount Vernon, IL | Not stated | Pipelines | Not stated in filing | Out to bid | Sep 8, 2026 |
| 300-Unit Residential Development on North 42nd Street | Mount Vernon, IL | KRP Properties, LLC | Residential | 300 units | Approved | Aug 17, 2026 |
| General Industrial Rezoning at N IL Hwy 142 | Mt. Vernon, IL | Continental Tire the Americas | Industrial | Not stated in filing | Seeking approval | Aug 17, 2026 |
| $3.1M The Arena Trampoline Park in Chelsey Industrial Park | Mount Vernon, IL | Fritz Krampe Enterprises LLC | Entertainment venues | 5 acres | Approved | Apr 6, 2026 |
| 5-Lot Residential Development on Woodglen Drive | Mount Vernon, IL | Alton Family Business LLC | Single-family | 5 homes | Approved | Mar 16, 2026 |
| 20-Unit Apartment Complex | Mount Vernon, IL | Eye Solutions | Apartments | 20 apartments | Approved | Jan 20, 2026 |
| 5-Acre Trampoline Park Development | Mount Vernon, IL | Arena Mt. Vernon, LLC | Entertainment venues | 5 acres | Approved | Dec 15, 2025 |
| $3.2M Solar Power Agreement with KPH IL44, LLC | Mount Vernon, IL | KPH IL44, LLC | Power plants | 5 acres | Approved | Dec 15, 2025 |

Showing 12 of 130+ projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Jefferson County

- [Mount Vernon, IL](https://boardwalkai.com/development/illinois/mount-vernon/) · 80 projects
- Ina, IL · 42 projects
- Dix, IL · 2 projects
- Waltonville, IL · Checked, no projects in 12 months

## Nearby places

- [Franklin County, IL](https://boardwalkai.com/development/illinois/franklin/) · 65 projects
- Hamilton County, IL · 9 projects
- [Perry County, IL](https://boardwalkai.com/development/illinois/perry/) · 57 projects
- [Wayne County, IL](https://boardwalkai.com/development/illinois/wayne/) · 42 projects
- [Washington County, IL](https://boardwalkai.com/development/illinois/washington/) · 48 projects
- [Marion County, IL](https://boardwalkai.com/development/illinois/marion/) · 69 projects

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

## Questions about Jefferson County

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

Boardwalk found 130+ planned projects in Jefferson County, IL in the last 12 months, mostly infrastructure.

### Where does this data come from?

Boardwalk's Jefferson County projects come from public meeting records. Each one links to the original filing.

### How current is it?

Boardwalk checks Jefferson County's public records at least once a week; the last check was Oct 20, 2026. These counts are as of Oct 19, 2026 and refresh monthly.

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

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

## How to cite

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

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