# Planned developments in Jefferson County, ID

Boardwalk found 180+ planned projects in Jefferson County, ID in public filings from the last 12 months, mostly residential. The latest is on the Jefferson County Commission agenda for Oct 1, 2026.

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

## Jefferson County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 180+ |
| New in the last 30 days | 4 |
| Most common type | Residential |
| Latest filing | Oct 1, 2026, Jefferson County Commission |
| Sources we check | 2 |

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 Jefferson County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Residential | 100+ | 58% |
| Development decisions | 28 | 15% |
| Infrastructure | 22 | 12% |
| Commercial | 9 | 5% |
| Agricultural | 9 | 5% |
| Public and institutional | 6 | 3% |
| Industrial | 3 | 2% |

## Recent projects in Jefferson County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| 62-Unit Residential Development on 9 Acres | Rigby, ID | Mountain Ridge at Burges Point | Duplexes to fourplexes | 62 units · 8.97 acres | Seeking approval | Sep 10, 2026 |
| 500 North Roadway Construction | Lewisville, ID | Not stated | Transportation | Not stated in filing | Early planning | Aug 12, 2026 |
| Water Facility Improvement Project | Roberts, ID | Not stated | Utilities | Not stated in filing | Out to bid | May 12, 2026 |
| City of Roberts Water Project Infrastructure Upgrades | Roberts, ID | Not stated | Water treatment plants | Not stated in filing | Early planning | May 1, 2026 |
| Sewer Infrastructure Project | Menan, ID | Not stated | Sewer and wastewater | Not stated in filing | Early planning | Apr 9, 2026 |
| 53-Acre Residential and Commercial Development | Rigby, ID | J&L Holdings LLC | Single-family | 53 acres | Recommended | Mar 12, 2026 |
| 8.47-Acre Residential Rezone for Fifth West | Rigby, ID | BG Development Group LLC | Residential | 8.47 acres | Recommended | Mar 12, 2026 |
| 63-Lot Commercial Subdivision | Jefferson County, ID | County Line Development LLC | Commercial | 63 units · 132.7 acres | Recommended | Mar 9, 2026 |
| 63-Acre Fertilizer Storage and Distribution Facility | Jefferson County, ID | Simplot AB Retail INC | Warehouses and distribution | 63.5 acres | Continued | Dec 4, 2025 |

Showing 9 of 180+ projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Jefferson County

- Rigby, ID · 15 projects
- Roberts, ID · 7 projects
- Menan, ID · 5 projects
- Lewisville, ID · 4 projects

## Nearby places

- Clark County, ID · 1 project
- [Madison County, ID](https://boardwalkai.com/development/idaho/madison/) · 29 projects
- [Bingham County, ID](https://boardwalkai.com/development/idaho/bingham/) · 150+ projects
- [Bonneville County, ID](https://boardwalkai.com/development/idaho/bonneville/) · 170+ projects
- Butte County, ID · 14 projects
- Fremont County, ID · 130+ projects

All places in Idaho: [Idaho](https://boardwalkai.com/development/idaho/)

## Questions about Jefferson County

### What's planned in Jefferson County, ID?

Boardwalk found 180+ planned projects in Jefferson County, ID in the last 12 months, mostly residential. The latest is on the Jefferson County Commission agenda for Oct 1, 2026.

### Where does this data come from?

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

### How current is it?

Boardwalk checks Jefferson 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 Jefferson County projects?

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

## How to cite

Source: Boardwalk, "Planned developments in Jefferson County, ID", boardwalkai.com/development/idaho/jefferson/, data as of Oct 19, 2026.

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