# Planned developments in Seneca County, OH

Boardwalk found 93 planned projects in Seneca County, OH in public filings from the last 12 months, mostly infrastructure and residential.

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

## Seneca County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 93 |
| New in the last 30 days | 3 |
| Most common type | Infrastructure |
| Latest filing | Sep 22, 2026, City of Cincinnati Staff |
| 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 County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Infrastructure | 44 | 47% |
| Residential | 19 | 20% |
| Development decisions | 16 | 17% |
| Public and institutional | 11 | 12% |
| Industrial | 2 | 2% |
| Mixed use | 1 | 1% |

## Recent projects in Seneca County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| SR 101 Borer Influent Sewer Lining Project | Tiffin, OH | Not stated | Sewer and wastewater | Not stated in filing | Early planning | Sep 21, 2026 |
| New Seneca County Ag Services Building Project | Seneca County, OH | Not stated | Government buildings | Not stated in filing | Out to bid | Sep 15, 2026 |
| SR 635 and CR 592 Roundabout Project | Seneca County, OH | Not stated | Transportation | Not stated in filing | Early planning | Sep 15, 2026 |
| $421K Library Build Project Management Agreement with TTH | Republic, OH | Not stated | Libraries | Not stated in filing | Approved | Sep 8, 2026 |
| $567K Shawhan and 2nd Avenue Sewer Replacement Project | Tiffin, OH | Not stated | Utilities | Not stated in filing | Out to bid | Aug 20, 2026 |
| 149-Acre Industrial Park Annexation | Tiffin, OH | Development Solutions LLC | Industrial | 149 acres | Seeking approval | Jul 20, 2026 |
| Childcare Facility, Library and Community Center Project | Republic, OH | Not stated | Community centers | Not stated in filing | Early planning | Jul 20, 2026 |
| Dravis Street Sanitary Sewer Repair/Replacement Project | Republic, OH | Not stated | Sewer and wastewater | Not stated in filing | Out to bid | Jul 13, 2026 |
| Shawhan Avenue and Second Avenue Sewer Replacement Project | Tiffin, OH | Not stated | Sewer and wastewater | Not stated in filing | Approved | Jul 6, 2026 |
| $2M Attica Sewer Regionalization Project Lift Station | Bloomville, OH | Not stated | Sewer lift stations | 0.25 acres | Early planning | Jun 16, 2026 |
| Tiffin Riverfront Development | Tiffin, OH | Hernando Group LLC | Homes and businesses | Not stated in filing | Seeking approval | Jun 1, 2026 |
| Seneca County Youth Center Site Improvement Projects | Seneca County, OH | Not stated | Government buildings | Not stated in filing | Early planning | May 12, 2026 |

Showing 12 of 93 projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Seneca County

- [Tiffin, OH](https://boardwalkai.com/development/ohio/tiffin/) · 35 projects
- Republic, OH · 26 projects
- Bloomville, OH · 12 projects
- Bettsville, OH · 4 projects
- Attica, OH · 1 project
- Fostoria, OH · 1 project

## Nearby places

- [Sandusky County, OH](https://boardwalkai.com/development/ohio/sandusky/) · 62 projects
- [Wyandot County, OH](https://boardwalkai.com/development/ohio/wyandot/) · 150+ projects
- [Crawford County, OH](https://boardwalkai.com/development/ohio/crawford/) · 59 projects
- [Huron County, OH](https://boardwalkai.com/development/ohio/huron/) · 68 projects
- [Hancock County, OH](https://boardwalkai.com/development/ohio/hancock/) · 350+ projects
- [Wood County, OH](https://boardwalkai.com/development/ohio/wood/) · 470+ projects

All places in Ohio: [Ohio](https://boardwalkai.com/development/ohio/)

## Questions about Seneca County

### What's planned in Seneca County, OH?

Boardwalk found 93 planned projects in Seneca County, OH in the last 12 months, mostly infrastructure and residential.

### Where does this data come from?

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

### How current is it?

Boardwalk checks Seneca 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 Seneca County projects?

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

## How to cite

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

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