# Planned developments in Mariposa County, CA

Boardwalk found 41 planned projects in Mariposa County, CA in public filings from the last 12 months. The latest is on the Mariposa County Planning Commission agenda for Sep 4, 2026.

Data as of Oct 11, 2026. Updated monthly. Page: https://boardwalkai.com/development/california/mariposa/

## Mariposa County at a glance

| Measure | Value |
|---|---|
| Projects, last 12 months | 41 |
| New in the last 30 days | 7 |
| Most common type | Infrastructure |
| Latest filing | Sep 4, 2026, Mariposa County Planning Commission |
| 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

## Looking for the City of Mariposa?

[Mariposa, CA](https://boardwalkai.com/development/california/mariposa-city/) · 32 projects

## What's planned in Mariposa County

By type, last 12 months.

| Type | Projects | Share |
|---|---|---|
| Infrastructure | 19 | 46% |
| Public and institutional | 8 | 20% |
| Development decisions | 6 | 15% |
| Residential | 4 | 10% |
| Commercial | 3 | 7% |
| Agricultural | 1 | 2% |

## Recent projects in Mariposa County

| Project | Location | Developer | Type | Size | Stage | Latest meeting |
|---|---|---|---|---|---|---|
| Workforce Housing Development | Mariposa County, CA | Mogavero Architects | Residential | Not stated in filing | Seeking approval | Sep 4, 2026 |
| Stockton Creek Preserve Trailhead Construction Grant Application | Mariposa County, CA | Not stated | Trails and greenways | Not stated in filing | Early planning | Aug 4, 2026 |
| $204K Adult Detention Facility HVAC Electrical Design | Mariposa County, CA | The KPA Group | Fire and police stations | Not stated in filing | Approved | Jun 16, 2026 |
| Fournier Road Bridge Project Environmental Approval | Mariposa County, CA | Not stated | Bridges | Not stated in filing | Approved | Jun 9, 2026 |
| $190K Contract Amendment for Zero Emission Transit Yard | Mariposa County, CA | Not stated | Transportation | Not stated in filing | In design | May 19, 2026 |
| $500K Mariposa Hillside Trails: Phase 1 Grant Application | Mariposa County, CA | Not stated | Trails and greenways | Not stated in filing | Early planning | Mar 17, 2026 |
| White Rock Road Over Mariposa Creek Bridge Agreement Amendment | Mariposa County, CA | Not stated | Bridges | Not stated in filing | Approved | Feb 17, 2026 |
| Bridge Prevention Maintenance Program Phase I Engineering Services | Mariposa County, CA | Not stated | Bridges | Not stated in filing | Approved | Feb 17, 2026 |
| $2.9M Behavioral Health Continuum Infrastructure Project Grant | Mariposa County, CA | Not stated | Hospitals and clinics | Not stated in filing | Early planning | Dec 9, 2025 |
| Mariposa Creek Parkway Hillside Trails Project | Mariposa County, CA | Not stated | Trails and greenways | Not stated in filing | Approved | Nov 4, 2025 |
| $2M Airport Runway and Fuel System Upgrade | Mariposa County, CA | Not stated | Airports | Not stated in filing | Early planning | Oct 20, 2025 |
| $983K North County Office Capital Improvement Project | Mariposa County, CA | Central California Alliance for Health | Government buildings | Not stated in filing | Early planning | Feb 18, 2025 |

Showing 12 of 41 projects. A free trial opens the full records and documents.

Samples show projects filed by companies or public bodies.

## Cities in Mariposa County

- [Mariposa, CA](https://boardwalkai.com/development/california/mariposa-city/) · 32 projects

## Nearby places

- [Madera County, CA](https://boardwalkai.com/development/california/madera/) · 110+ projects
- [Tuolumne County, CA](https://boardwalkai.com/development/california/tuolumne/) · 46 projects
- [Merced County, CA](https://boardwalkai.com/development/california/merced/) · 190+ projects
- [Fresno County, CA](https://boardwalkai.com/development/california/fresno/) · 550+ projects
- [Mono County, CA](https://boardwalkai.com/development/california/mono/) · 160+ projects
- [Stanislaus County, CA](https://boardwalkai.com/development/california/stanislaus/) · 330+ projects

All places in California: [California](https://boardwalkai.com/development/california/)

## Questions about Mariposa County

### What's planned in Mariposa County, CA?

Boardwalk found 41 planned projects in Mariposa County, CA in the last 12 months. The latest is on the Mariposa County Planning Commission agenda for Sep 4, 2026.

### Where does this data come from?

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

### How current is it?

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

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

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

## How to cite

Source: Boardwalk, "Planned developments in Mariposa County, CA", boardwalkai.com/development/california/mariposa/, data as of Oct 11, 2026.

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