St. Charles County (Unincorporated)
County Council (7 members) · Partial ·
UDO Ch. 405. P&Z schedule PDF not yet located.
Meetings update automatically every day from the city's Agenda Center page · last checked Fri, Oct 30, 2026. Only meetings with a posted agenda appear, usually 1–2 weeks ahead.
Rezoning process
Steps
- File application with Division of Planning & Zoning
- Staff inspection and recommendation
- Notice: posted + mailed (1,000/2,000 ft), 15 days
- P&Z public hearing and vote
- P&Z report to Council within 45 days
- County Council action by ordinance
Details
- Code section
- UDO §405.535
- Who may apply
- Owner, attorney, agent, representative or contract purchaser
- P&Z hearing timing
- Set for hearing no later than the 2nd regular monthly P&Z meeting after filing
- Mailed notice radius
- 1,000 ft
- Mailed notice
- 15 days before hearing
- Final action
- County Council approves, denies, or amends. Two readings: the bill is introduced (with public comment) at one Council meeting and passed at the next, e.g. RZ26-04 introduced Aug 10, 2026 and passed Aug 31 (Council agendas).
- Protest petition
- 30% of owners within 1,000 ft, or a resolution by a zoned city within 1.5 miles, requires 5 of 7 Council votes
- Resubmittal after denial
- 12 months unless a different district is requested
- Notes
- Mailed radius jumps to 2,000 ft when the parcel is in an Agricultural district and >75% of its boundary adjoins Ag zoning. Notice also posted at the Administration Building and county website 15 days ahead. One continuance by 3 commissioners; P&Z reports to Council within 45 days of closing the hearing. Council may only amend to reduce area or intensity.
- Application items
- Legal description
- Current recorded deed
- Application fee (Ch. 425)
Source: https://ecode360.com/27758355 · verified Fri, Oct 9, 2026
Zoning districts
| District | Min lot | Width | Front / side / rear | Height | Density | Notes | |
|---|---|---|---|---|---|---|---|
| A Agricultural | 5 ac | 150 ft | 50 / 40 / 50 ft | 40 ft | — | Pre-existing lots of record under 1 acre: 25 ft front, 7 ft side, 25 ft rear. A home existing before Feb 13, 2006 may be split onto a 3-acre tract. | |
| AT Agricultural Tourism | 40 ac | 150 ft | 50 / 40 / 50 ft | 40 ft | — | ||
| RR Single-Family Residential (3 ac) | 3 ac | 150 ft | 50 / 40 / 50 ft | 40 ft | 0.33 du/ac | Cluster development (5+ acres, 5+ lots) allows smaller lots at the same density, §405.090(I) | |
| R1A Single-Family Residential (1 ac) | 1 ac | 125 ft | 35 / 20 / 35 ft | 40 ft | 1 du/ac | Cluster development (5+ acres, 5+ lots) allows smaller lots at the same density, §405.090(I) | |
| R1B Single-Family Residential (20,000 sf) | 20,000 sf | 100 ft | 25 / 10 / 25 ft | 40 ft | 2.1 du/ac | Cluster development (5+ acres, 5+ lots) allows smaller lots at the same density, §405.090(I) | |
| R1C Single-Family Residential (15,000 sf) | 15,000 sf | 80 ft | 25 / 10 / 25 ft | 40 ft | 2.9 du/ac | Cluster development (5+ acres, 5+ lots) allows smaller lots at the same density, §405.090(I); up to 10% of platted lots may be two-family. | |
| R1D Single-Family Residential (10,000 sf) | 10,000 sf | 80 ft | 20 / 7 / 25 ft | 40 ft | 4.3 du/ac | Cluster development (5+ acres, 5+ lots) allows smaller lots at the same density, §405.090(I); up to 10% of platted lots may be two-family. | |
| R1E Single-Family Residential (7,000 sf) | 7,000 sf | 70 ft | 20 / 7 / 25 ft | 40 ft | 6.2 du/ac | Cluster development (5+ acres, 5+ lots) allows smaller lots at the same density, §405.090(I); up to 10% of platted lots may be two-family. Conditional use: 6,000 sf lots, 60 ft wide, 6 ft sides, 800 sf homes. | |
| R2 Two-Family Residential | 7,000 sf | 70 ft | 25 / 7 / 25 ft | 40 ft | — | Zero side yard allowed at a common party wall. | |
| R3A Medium Density Residential | 4,000 sf | — | 20 / 10 / 25 ft | 45 ft | 10 du/ac | Setbacks apply to the outer limits of the development site; internal yards per the preliminary plat or site plan. 4,000 sf minimum is for detached single-family. | |
| R3B Multi-Family Residential | 4,000 sf | — | 20 / 10 / 25 ft | 45 ft | 20 du/ac | Setbacks apply to the outer limits of the development site; internal yards per the preliminary plat or site plan. 4,000 sf minimum is for detached single-family. | |
| RM Manufactured/Mobile Home Residential | 6,000 sf | 60 ft | 20 / 10 / 10 ft | 35 ft | — | One home per lot. 20 ft from street right-of-way (25 ft for additions and carports). Park needs a 25-50 ft landscaped perimeter buffer and 500 sf of recreation area per lot. | |
| PR Park Recreational | 1 ac | — | 25 / 10 / 25 ft | 45 ft | — | ||
| RF Riverfront | — | 200 ft | 30 / 30 / 30 ft | 50 ft | — | 30 ft setbacks from all lines except river frontage. No minimum site area (riverboat gaming vessels need 25 acres). Conditional uses need an approved riverfront development plan. | |
| CO Office | — | — | 25 / 10 / 15 ft | 35 ft | — | Side yard 0 ft unless it adjoins A or R zoning (then 10 ft). Rear yard 0 ft next to C zoning, else 15 ft. No minimum lot area except 7,000 sf for a dwelling. | |
| C1 Neighborhood Commercial | — | — | 25 / 10 / 15 ft | 45 ft | — | Side and rear yards are 0 ft next to C zoning; otherwise 10 ft side, 15 ft rear. No minimum lot area except 7,000 sf for residential. | |
| C2 General Commercial | — | — | 25 / 10 / 15 ft | 60 ft | — | Side yard 10 ft next to A or R zoning, else 0 ft. Rear yard 0 ft next to C zoning, else 15 ft. No minimum lot area except 7,000 sf for residential. | |
| HTCD High Technology Corridor | — | 100 ft | 30 / 20 / 30 ft | 60 ft | — | Lot width 200 ft for lots of 5+ acres; corner side yard 30 ft. No minimum lot area. 15 ft landscape strip on side and rear lines. Site development plan, elevations and preliminary plat required. | |
| I1 Light Industrial | — | — | 35 / 10 / 15 ft | 60 ft | — | Side and rear yards are 0 ft next to I zoning; otherwise 10 ft side, 15 ft rear. No minimum lot area except 7,000 sf for residential. | |
| I2 Heavy Industrial | — | — | 35 / 10 / 15 ft | 60 ft | — | Side and rear yards are 0 ft next to I zoning; otherwise 10 ft side, 15 ft rear. No minimum lot area. | |
| SWD Solid Waste Disposal | — | — | — | — | — | No standard lot or setback table. Standards come from the site development plan and solid-waste facility conditions. | |
| PUD Planned Unit Development (overlay) | — | — | — | — | — | Overlay on a base district. Density per §405.205; standards set by the approved development plan. | |
| FW Floodway (overlay) | — | — | — | — | — | Flood overlay; see Article XI. | |
| FF Floodway Fringe (overlay) | — | — | — | — | — | Flood overlay; see Article XI. | |
| DF Density Floodway (overlay) | — | — | — | — | — | Flood overlay; see Article XI. | |
| WH Wellhead Protection (overlay) | — | — | — | — | — | Overlay; see Article XII. |
Source: St. Charles County (Unincorporated) zoning code (each district links to its section) · verified Sat, Oct 10, 2026
Upcoming dates
| Date | What | Time | Notes | |
|---|---|---|---|---|
| Mon, Nov 9, 2026 | COUNTY COUNCIL | 7 PM | County Council regular meeting | Edit |
| Wed, Nov 18, 2026 | P&Z projected | 7 PM | Projected (third Wednesday). | Edit |
| Fri, Nov 20, 2026 | SUBMITTAL DUE projected | — | Rezoning, conditional use and preliminary plat applications. Feeds P&Z 2026-12-16. Projected from the 2025 schedule rule (Friday 26 days before); 2026 schedule not posted. | Edit |
| Mon, Nov 23, 2026 | COUNTY COUNCIL | 7 PM | County Council regular meeting | Edit |
| Mon, Dec 7, 2026 | COUNTY COUNCIL | 7 PM | County Council regular meeting | Edit |
| Wed, Dec 16, 2026 | P&Z projected | 7 PM | Projected (third Wednesday). | Edit |
| Mon, Dec 21, 2026 | COUNTY COUNCIL | 7 PM | County Council regular meeting | Edit |
| Mon, Jan 11, 2027 | COUNTY COUNCIL projected | 7 PM | Projected from the standing schedule; the 2027 schedule is not posted yet. | Edit |
| Wed, Jan 20, 2027 | P&Z projected | 7 PM | Projected from the standing schedule; the 2027 schedule is not posted yet. | Edit |
| Mon, Jan 25, 2027 | COUNTY COUNCIL projected | 7 PM | Projected from the standing schedule; the 2027 schedule is not posted yet. | Edit |
| Mon, Feb 8, 2027 | COUNTY COUNCIL projected | 7 PM | Projected from the standing schedule; the 2027 schedule is not posted yet. | Edit |
| Wed, Feb 17, 2027 | P&Z projected | 7 PM | Projected from the standing schedule; the 2027 schedule is not posted yet. | Edit |
People
Elected officials
| Name | Title | Phone | Term ends | |
|---|---|---|---|---|
| Steve Ehlmann | County Executive (appoints P&Z) | — | 636-949-7520 | — |
| Matt Swanson | Councilmember, District 1 | mswanson@sccmo.org | 636-949-7530 | — |
| Joe Brazil | Councilmember, District 2 | jbrazil@sccmo.org | 636-949-7530 | — |
| Mike Elam | Councilmember, District 3 | melam@sccmo.org | 636-949-7530 | — |
| Dave Hammond | Councilmember, District 4 | dhammond@sccmo.org | 636-949-7530 | — |
| Terry Hollander | Councilmember, District 5 | thollander@sccmo.org | 636-949-7530 | — |
| Patti York | Councilmember, District 6 | pyork@sccmo.org | 636-949-7530 | — |
| Tim Baker | Councilmember, District 7 (council member on P&Z, indefinite term) | tbaker@sccmo.org | 636-949-7530 | — |
Planning & Zoning
| Name | Title | Phone | Term ends | |
|---|---|---|---|---|
| Jeanette Koechner | Commissioner | — | — | 2028-08 |
| Jennifer Bahr | Commissioner | — | — | 2027-08 |
| Brian Nolan | Commissioner | — | — | 2028-08 |
| Paul Roger Ellis | Commissioner (term listed as expired Aug 2026) | — | — | 2026-08 |
| Denise O'Mara | Commissioner | — | — | 2028-08 |
| Kurt Goodwin | Commissioner | — | — | 2028-08 |
| Joe Quinn | Commissioner | — | — | 2029-08 |
| Bob Kneemiller | Commissioner | — | — | 2029-08 |
| Kyle Shell | Commissioner (term listed as expired Aug 2024; holdover?) | — | — | 2024-08 |
Staff
| Name | Title | Phone | Term ends | |
|---|---|---|---|---|
| Joann Leykam | Director of Administration | — | 636-949-7520 | — |
| Michael Hurlbert | Community Development Director | — | 636-949-7335 | — |
| Robert Myers | P&Z Commission contact (Planning & Zoning Division) | planning@sccmo.org | 636-949-7335 | — |
| John Lyons | County Engineer (Highway Department) | highway@sccmo.org | 636-949-7305 | — |