# Planned developments in St. Mary's County, MD

Boardwalk found 350+ planned projects in St. Mary's County, MD in public filings from the last 12 months, mostly residential.

Data as of Oct 11, 2026. Updated monthly. Page: https://boardwalkai.com/development/maryland/st-mary-s/

## St. Mary's County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 350+ |
| New in the last 30 days | 42 |
| Most common type | Residential |
| Latest filing | Oct 3, 2026, Town of Leonardtown 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 St. Mary's County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Residential | 180+ | 51% |
| Development decisions | 100+ | 28% |
| Commercial | 39 | 11% |
| Infrastructure | 25 | 7% |
| Public and institutional | 12 | 3% |
| Agricultural | 1 | Under 1% |

## Recent projects in St. Mary's County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| Leonardtown Wharf Parking Lot Infrastructure Project | Leonardtown, MD | Not stated | Parking lots | Not stated in filing | Early planning | Sep 14, 2026 |
| 7-11 Retail Location | Leonardtown, MD | Winmar Advisory | Retail | Not stated in filing | Early planning | Sep 14, 2026 |
| Through Road Concept Plan for Leonardtown VFD Phase 1 | Leonardtown, MD | Not stated | Roads and highways | Not stated in filing | Early planning | Aug 17, 2026 |
| 1-Unit Townhome Development on Wisteria Ln | Leonardtown, MD | QBH | Townhomes | 1 townhome | Seeking approval | Jun 30, 2026 |
| 3,543 SF Carwash with 21 Vacuum Stalls | Leonardtown, MD | The Wills Group | Car washes | 1.5 acres | Seeking approval | Jun 25, 2026 |
| 70-Unit Senior Living Facility on 1.34 Acres | Leonardtown, MD | Cedar Lane Senior Living Community, III, Inc | Senior living | 70 units · 1.34 acres | Recommended | Jun 8, 2026 |
| 36-Unit Apartment Building and Community Building | Leonardtown, MD | Quality Built Homes, Inc. | Apartments | 36 apartments · 137.5 acres | Approved | Jan 21, 2025 |

Showing 7 of 350+ projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in St. Mary's County

- [Leonardtown, MD](https://boardwalkai.com/development/maryland/leonardtown/) · 310+ projects
- Golden Beach, MD · 18 projects

## Nearby places

- [Calvert County, MD](https://boardwalkai.com/development/maryland/calvert/) · 140+ projects
- [Charles County, MD](https://boardwalkai.com/development/maryland/charles/) · 130+ projects
- [Prince George's County, MD](https://boardwalkai.com/development/maryland/prince-george-s/) · 780+ projects
- [Dorchester County, MD](https://boardwalkai.com/development/maryland/dorchester/) · 130+ projects
- [Anne Arundel County, MD](https://boardwalkai.com/development/maryland/anne-arundel/) · 190+ projects
- [Talbot County, MD](https://boardwalkai.com/development/maryland/talbot/) · 310+ projects

All places in Maryland: [Maryland](https://boardwalkai.com/development/maryland/)

## Questions about St. Mary's County

### What's planned in St. Mary's County, MD?

Boardwalk found 350+ planned projects in St. Mary's County, MD in the last 12 months, mostly residential.

### Where does this data come from?

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

### How current is it?

Boardwalk checks St. Mary's County's public records at least once a week; the last check was Oct 10, 2026. These counts are as of Oct 11, 2026 and refresh monthly.

### Can I get an Alert for new St. Mary's County projects?

Yes, a Boardwalk Alert emails you new St. Mary's 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.** [st-mary-s.json](https://boardwalkai.com/data/places/maryland/st-mary-s.json) · [st-mary-s.md](https://boardwalkai.com/development/maryland/st-mary-s/index.md)

## How to cite

Source: Boardwalk, "Planned developments in St. Mary's County, MD", boardwalkai.com/development/maryland/st-mary-s/, data as of Oct 11, 2026.

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