# Planned developments in Marion County, IA

Boardwalk found 87 planned projects in Marion County, IA in public filings from the last 12 months, mostly residential and infrastructure. The latest is on the Marion County Board of Adjustments agenda for Oct 13, 2026.

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

## Marion County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 87 |
| New in the last 30 days | 2 |
| Most common type | Residential |
| Latest filing | Oct 13, 2026, Marion County Board of Adjustments |
| Sources we check | 5 |

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

## Looking for the City of Marion?

[Marion, IA](https://boardwalkai.com/development/iowa/marion-city/) · 360+ projects

## What's planned in Marion County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Residential | 32 | 37% |
| Infrastructure | 23 | 26% |
| Development decisions | 22 | 25% |
| Commercial | 6 | 7% |
| Public and institutional | 4 | 5% |

## Recent projects in Marion County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| East Elementary Apartments Development Agreement | Marion County, IA | East Elementary Apartments LLC | Apartments | Not stated in filing | Seeking approval | Aug 11, 2026 |
| $1.32M S45 Bridge Replacement | Marion County, IA | Not stated | Bridges | Not stated in filing | Approved | Jul 28, 2026 |
| Ball Field Complex at Young's Park Development | Knoxville, IA | Not stated | Parks | Not stated in filing | In design | Jul 13, 2026 |
| Prairie River Trail Extension | Marion County, IA | Not stated | Trails and greenways | Not stated in filing | Approved | Jun 23, 2026 |
| 0.5-Mile Trail Extension along Hwy T15 | Marion County, IA | Not stated | Trails and greenways | Not stated in filing | Approved | Jun 23, 2026 |
| $2.8M Marion County Trail Corridor Study Monroe to Cordova Phase 1 | Marion County, IA | Not stated | Trails and greenways | 4.4 acres | Approved | Jun 23, 2026 |
| 111-Unit Residential Development | Knoxville, IA | Kading Properties | Multifamily | 111 units | Seeking approval | May 18, 2026 |
| Fuel Farm Project Infrastructure Development | Knoxville, IA | Not stated | Utilities | Not stated in filing | In design | May 4, 2026 |
| 209 W Pearl Street Porch Addition | Knoxville, IA | Moyle Engines LLC | Auto repair | 0.52 acres | Seeking approval | Mar 11, 2026 |
| 12-Lot Subdivision on 45.71 Acres | Knoxville, IA | Not stated | Single-family | 12 homes · 45.7 acres | Seeking approval | Oct 6, 2025 |

Showing 10 of 87 projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Marion County

- [Knoxville, IA](https://boardwalkai.com/development/iowa/knoxville/) · 40 projects
- Pleasantville, IA · 12 projects
- Melcher-Dallas, IA · Checked, no projects in 12 months
- Swan, IA · Checked, no projects in 12 months

## Nearby places

- [Warren County, IA](https://boardwalkai.com/development/iowa/warren/) · 180+ projects
- [Jasper County, IA](https://boardwalkai.com/development/iowa/jasper/) · 280+ projects
- [Lucas County, IA](https://boardwalkai.com/development/iowa/lucas/) · 22 projects
- [Mahaska County, IA](https://boardwalkai.com/development/iowa/mahaska/) · 210+ projects
- [Polk County, IA](https://boardwalkai.com/development/iowa/polk/) · 1,700+ projects
- Monroe County, IA · 5 projects

All places in Iowa: [Iowa](https://boardwalkai.com/development/iowa/)

## Questions about Marion County

### What's planned in Marion County, IA?

Boardwalk found 87 planned projects in Marion County, IA in the last 12 months, mostly residential and infrastructure. The latest is on the Marion County Board of Adjustments agenda for Oct 13, 2026.

### Where does this data come from?

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

### How current is it?

Boardwalk checks Marion 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 Marion County projects?

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

## How to cite

Source: Boardwalk, "Planned developments in Marion County, IA", boardwalkai.com/development/iowa/marion/, data as of Oct 19, 2026.

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