# Planned developments in Union County, SD

Boardwalk found 34 planned projects in Union County, SD in public filings from the last 12 months. The latest is on the Union County Board of Commissioners agenda for Sep 17, 2026.

Data as of Oct 11, 2026. Updated monthly. Page: https://boardwalkai.com/development/south-dakota/union/

## Union County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 34 |
| New in the last 30 days | 2 |
| Most common type | Infrastructure |
| Latest filing | Sep 17, 2026, Union County Board of Commissioners |
| Sources we check | 6 |

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 Union County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Infrastructure | 11 | 32% |
| Public and institutional | 9 | 26% |
| Residential | 6 | 18% |
| Development decisions | 4 | 12% |
| Industrial | 4 | 12% |

## Recent projects in Union County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| Structure 64-040037 Preliminary Engineering Agreement | Union County, SD | Not stated | Transportation | Not stated in filing | Approved | Sep 17, 2026 |
| Heavy Industrial Rezoning for Farmers Coop Society | Union County, SD | Farmers Coop Society | Industrial | Not stated in filing | Seeking approval | Jul 21, 2026 |
| 2027 Bridge Improvement Grant and Local Federal Bridge Programs | Union County, SD | Not stated | Transportation | Not stated in filing | Approved | Jul 21, 2026 |
| Structure #64-040-037 and #64-049-179 Five-Year Plan Inclusion | Union County, SD | Not stated | Transportation | Not stated in filing | Approved | Jul 7, 2026 |
| Petroleum Products Facility | Union County, SD | Farmers Coop Society | Industrial | Not stated in filing | Seeking approval | Jun 18, 2026 |
| Centennial Drive Lift Station Project | North Sioux City, SD | Not stated | Sewer lift stations | Not stated in filing | Approved | Jun 5, 2026 |
| Courthouse Renovation and Improvement Project | Union County, SD | Mollet Industrial Group | Government offices | Not stated in filing | Out to bid | May 26, 2026 |
| Courthouse and Sheriff's Office Construction Project Management | Union County, SD | Not stated | Government offices | Not stated in filing | Approved | Apr 14, 2026 |
| Residential Rezoning of Oak Tree Addition Tracts | Union County, SD | Dakota Land Holdings | Residential | Not stated in filing | Seeking approval | Apr 14, 2026 |
| Courthouse Expansion Project | Union County, SD | Architecture Incorporated | Government offices | Not stated in filing | Out to bid | Feb 17, 2026 |
| Courthouse Addition and Remodel | Union County, SD | Architecture Incorporated | Government offices | Not stated in filing | In design | Dec 23, 2025 |

Showing 11 of 34 projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Union County

- Jefferson, SD · 4 projects
- Dakota Dunes, SD · 2 projects
- Elk Point, SD · 2 projects
- North Sioux City, SD · 1 project
- Alcester, SD · Checked, no projects in 12 months

## Nearby places

- [Clay County, SD](https://boardwalkai.com/development/south-dakota/clay/) · 72 projects
- [Lincoln County, SD](https://boardwalkai.com/development/south-dakota/lincoln/) · 240+ projects
- [Yankton County, SD](https://boardwalkai.com/development/south-dakota/yankton/) · 190+ projects
- [Turner County, SD](https://boardwalkai.com/development/south-dakota/turner/) · 41 projects
- [Minnehaha County, SD](https://boardwalkai.com/development/south-dakota/minnehaha/) · 490+ projects
- Hutchinson County, SD · 34 projects

All places in South Dakota: [South Dakota](https://boardwalkai.com/development/south-dakota/)

## Questions about Union County

### What's planned in Union County, SD?

Boardwalk found 34 planned projects in Union County, SD in the last 12 months. The latest is on the Union County Board of Commissioners agenda for Sep 17, 2026.

### Where does this data come from?

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

### How current is it?

Boardwalk checks Union County's public records at least once a week; the last check was Oct 12, 2026. These counts are as of Oct 11, 2026 and refresh monthly.

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

Yes, a Boardwalk Alert emails you new Union 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.** [union.json](https://boardwalkai.com/data/places/south-dakota/union.json) · [union.md](https://boardwalkai.com/development/south-dakota/union/index.md)

## How to cite

Source: Boardwalk, "Planned developments in Union County, SD", boardwalkai.com/development/south-dakota/union/, data as of Oct 11, 2026.

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