Zoning Districts & Regulations

The City’s Development Code (PDF) and Official Zoning Map (PDF) were adopted by the Board of Aldermen on February 1, 2021.

Zoning Map

The location and boundaries of the zoning districts established by the Development Code (PDF) are shown on the Official Zoning Map (PDF). (Tip: Download the map and zoom in to view the zoning district label for individual properties).

Disclaimer: Every reasonable effort has been made to assure the accuracy of the map and data provided; nevertheless, some information may not be accurate. Any user of this map product accepts its faults and assumes all responsibility for the use thereof, and further agrees to hold the City of Lake Saint Louis Government harmless from and against any damage, loss or liability arising from any use of the map product. Do not make business decisions based on this data before validating your decision with the appropriate City offices.

Dimensional Standards 

The following tables list the dimensional standards for each zoning district:

Requirements for measuring dimensional standards and exceptions to the dimensional standards are found in Chapter 410, Article III, Measurements and Exceptions (PDF).

Properties located in the PUD Overlay District are regulated by development-specific plans. Contact City staff for details on the specific regulations for a property located in one of these districts.

Allowed Uses

Table 420.040, Table of Allowed Uses (PDF), lists the principal uses allowed within each base zoning district. Listed uses are defined in Section 410.100, Use Categories and Use Types (PDF).

Regardless of whether or not a use is allowed by right or with approval of a special use permit, additional standards may be applicable to that use. Such use-specific standards are identified and cross-referenced in Table 420.040, Table of Allowed Uses (PDF), and contained in Chapter 420, Article III, Use-Specific Standards (PDF).

Application Procedures

Certain development activities require approval of one or more applications identified in Table 405.010, Summary Table of Application Procedures (PDF), in accordance with Chapter 405, Administration and Procedures (PDF).

Development Standards

Certain development activities and applications are subject to Chapter 425, Development Standards (PDF). Development standards include but are not limited to requirements for landscaping, fencing, parking, site and building design, lighting, and signs.

Subdivision Standards

Certain development activities and applications are subject to Chapter 430, Subdivision and Improvement Standards (PDF).