# Planned developments in Seneca, IL

Boardwalk found 57 planned projects in Seneca, IL in public filings from the last 12 months. The latest is on the Village of Seneca Village Council agenda for Oct 5, 2026.

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

## Seneca at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 57 |
| New in the last 30 days | 1 |
| Most common type | Govt. Decisions |
| Latest filing | Oct 5, 2026, Village of Seneca Village Council |
| 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 Seneca

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Development decisions | 28 | 49% |
| Infrastructure | 13 | 23% |
| Public and institutional | 8 | 14% |
| Residential | 7 | 12% |
| Commercial | 1 | 2% |

## Recent projects in Seneca

| Project | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|
| $45,860 Engineering Services Contract for Infrastructure | Not stated | Pipelines | Not stated in filing | Approved | Jul 6, 2026 |
| $48,736 River Road Engineering Services Agreement | Not stated | Roads and highways | Not stated in filing | Approved | Jul 6, 2026 |
| $84K Main Street Water Main Replacement Engineering | Not stated | Pipelines | Not stated in filing | In design | May 4, 2026 |
| Graves Property Annexation and Concept Plan | Not stated | Residential | Not stated in filing | Seeking approval | Apr 20, 2026 |
| Graves Property Map Amendment to R4 Traditional Residential | Not stated | Residential | Not stated in filing | Seeking approval | Apr 8, 2026 |
| $900K Graves Subdivision Residential Development | Seneca Community School District | Residential | Not stated in filing | Approved | Mar 31, 2026 |
| Residential Subdivision Development | Seneca School Districts | Residential | Not stated in filing | Seeking approval | Feb 11, 2026 |
| On-Site Ground-Mounted Solar System | CHEVRON USA INC | Power plants | Not stated in filing | Seeking approval | Feb 11, 2026 |
| $500K Contribution Agreement for Old Stage Solar Energy Project | New Leaf Energy, Inc. | Power plants | Not stated in filing | Early planning | Jan 5, 2026 |

Showing 9 of 57 projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Nearby places

- Marseilles, IL · 14 projects
- Verona, IL · 1 project
- Morris, IL · 18 projects
- [Mazon, IL](https://boardwalkai.com/development/illinois/mazon/) · 24 projects
- [Ottawa, IL](https://boardwalkai.com/development/illinois/ottawa/) · 120+ projects
- Grand Ridge, IL · 6 projects

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

## Questions about Seneca

### What's planned in Seneca, IL?

Boardwalk found 57 planned projects in Seneca, IL in the last 12 months. The latest is on the Village of Seneca Village Council agenda for Oct 5, 2026.

### Where does this data come from?

Boardwalk's Seneca projects come from public meeting records, such as Village of Seneca Village Council agendas and minutes. Each one links to the original filing.

### How current is it?

Boardwalk checks Seneca'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 Seneca projects?

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

## How to cite

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

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