Why a Master Plan?
The current Warren County Master Plan was last amended in 2011. This new Master Plan will help guide growth and development in the County over the next 10 to 20 years. The Master Plan serves as a guide for the County for rezoning decisions, land development regulations, transportation improvements, budgeting, coordination of infrastructure, and more. The Master Plan is not a regulatory document. Instead, it is a guide that reflects the values and aspirations of Warren County, crafted with input from residents, businesses, and service providers.
March 25 Open House
Thank you to everyone who attended the Warren County Master Plan Community Open House on Wednesday, March 25, 2026. At the open house, attendees learned about the planning process, reviewed existing conditions, spoke with the planning team, and shared ideas for the future of Warren County. If you missed the open house, you can Download the open house boards and watch a video (elsewhere on this page).
Master Plan Open House
Date: Wednesday, March 25, 2026
4:30 - 7:00 pm
Location: Warren County Administration Building
101 Mockingbird Lane, Warrenton, MO 63383
This 70 minute video provides an overview of the Master Plan planning process and reviews existing conditions, data, and trends.
How Can I Get Involved?
Community engagement will be an essential part of updating the Master Plan. An Advisory Committee will help guide the planning. A countywide survey will help shape plan goals and priorities. There will be numerous opportunities for resident input, including multiple in-person open houses, a countywide survey, small group meetings, a website, and social media. In addition to extensive community engagement, the final Master Plan will go through a formal adoption process, including a public review period and approval by the Planning & Zoning Commission.
MAster Plan survey!
If you live or work in Warren County, you are invited to take this short, 10-minute survey to help shape the future of the County. Your input is an important part of the Warren County Master Plan and will help ensure the plan reflects the community’s values, priorities, and aspirations. The survey will remain open through March 31.
Thanks to everyone who took the survey! Look for the results to be available in May.
Recent Schedule
Fall 2025: Plan kickoff.
November 20, 2025: Advisory Committee Meeting #1
November - December 2025: Stakeholder Meetings
Late January - March 31, 2026: Countywide survey
March 5, 2026: Advisory Committee Meeting #2
March 25th: Open House #1
Upcoming Schedule:
May: Discovery Report (document of existing conditions and survey results). Coming soon! Stay tuned for details.
Summer/Fall: Growth Analysis and Scenario Planning
Fall: Open House #2
See ‘Documents’ and download the overview brochure for a full schedule. The Master Plan process is expected to continue through late 2026/early 2027.
Benefits of an Updated Master Plan:
Logical Land Use Decision Making
An updated Master Plan will be a guide for the Planning Commission when reviewing rezoning requests, conditional use permits, subdivision plats, and other land use decisions.
Strategic Guide for Future Growth and Change
While the future cannot be predicted, the County can plan and manage for growth and change.
Shared Community Priorities
Master Plans are an opportunity to develop consensus on countywide priorities that will help shape growth in the county for the next 10-20 years.
