# Planned developments in Hamlin County, SD

Boardwalk found 76 planned projects in Hamlin County, SD in public filings from the last 12 months. The latest is on the Hamlin County Board of Adjustment & Planning Commission agenda for Sep 28, 2026.

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

## Hamlin County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 76 |
| New in the last 30 days | 4 |
| Most common type | Govt. Decisions |
| Latest filing | Sep 28, 2026, Hamlin County Board of Adjustment & Planning Commission |
| 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

## What's planned in Hamlin County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Development decisions | 38 | 50% |
| Infrastructure | 16 | 21% |
| Residential | 8 | 11% |
| Agricultural | 6 | 8% |
| Public and institutional | 4 | 5% |
| Industrial | 3 | 4% |
| Commercial | 1 | 1% |

## Recent projects in Hamlin County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| $9.4M Five-Year Highway and Bridge Improvement Plan | Hamlin County, SD | Not stated | Bridges | Not stated in filing | Early planning | Sep 1, 2026 |
| 4-H Building Engineering Services | Hamlin County, SD | Not stated | Government buildings | Not stated in filing | In design | Aug 18, 2026 |
| Domestic Sanitary Sewer Treatment Facility | Hamlin County, SD | Lake Poinsett Sanitary District | Sewer and wastewater | Not stated in filing | Approved | Jun 22, 2026 |
| 5-Mile County Road 188 Mat Overlay | Hamlin County, SD | Not stated | Roads and highways | Not stated in filing | Out to bid | Jun 1, 2026 |
| 4,800-Head Nursery Swine CAFO | Hamlin County, SD | Clarmont Hutterian Bretheran, Inc. | Farms and ranches | Not stated in filing | Approved | Apr 27, 2026 |
| 5-Mile 188th Street Road Overlay Project | Hamlin County, SD | Not stated | Transportation | Not stated in filing | Continued | Apr 7, 2026 |
| 7,200-Sqft Public Building | Hayti, SD | Not stated | Government buildings | Not stated in filing | Seeking approval | Feb 11, 2026 |
| Bridge Improvement Grant Program for Two County Structures | Hamlin County, SD | Not stated | Transportation | Not stated in filing | Approved | Dec 2, 2025 |
| 4-H Shooting Sports and Livestock Building Improvements | Hamlin County, SD | 4-H | Farms and ranches | Not stated in filing | Early planning | Oct 21, 2025 |
| Kangas West Addition Single-Family Housing Infrastructure Support | Lake Norden, SD | Kangor Venture, LLC | Single-family | Not stated in filing | Approved | Oct 14, 2025 |
| Wastewater Facility Plan Infrastructure Upgrades | Castlewood, SD | Not stated | Utilities | Not stated in filing | In design | Jul 9, 2025 |

Showing 11 of 76 projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Hamlin County

- Lake Norden, SD · 14 projects
- Castlewood, SD · 13 projects
- Hayti, SD · 8 projects
- Estelline, SD · Checked, no projects in 12 months

## Nearby places

- [Codington County, SD](https://boardwalkai.com/development/south-dakota/codington/) · 230+ projects
- [Deuel County, SD](https://boardwalkai.com/development/south-dakota/deuel/) · 100+ projects
- [Brookings County, SD](https://boardwalkai.com/development/south-dakota/brookings/) · 130+ projects
- Clark County, SD · 12 projects
- [Kingsbury County, SD](https://boardwalkai.com/development/south-dakota/kingsbury/) · 63 projects
- [Grant County, SD](https://boardwalkai.com/development/south-dakota/grant/) · 48 projects

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

## Questions about Hamlin County

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

Boardwalk found 76 planned projects in Hamlin County, SD in the last 12 months. The latest is on the Hamlin County Board of Adjustment & Planning Commission agenda for Sep 28, 2026.

### Where does this data come from?

Boardwalk's Hamlin County projects come from public meeting records, such as Hamlin County Board of Adjustment & Planning Commission agendas and minutes. Each one links to the original filing.

### How current is it?

Boardwalk checks Hamlin 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 Hamlin County projects?

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

## How to cite

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

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