Subdivision control is another way the Planning Commission can shape its community’s character. This tool is used to influence the layout of lots and streets and coordinate the construction of public infrastructure to support homes and businesses.

 April 1st, 2024, all City of Chattanooga Major and Minor Plat applications will no longer be received via email, they must be submitted through Open Gov. 
 May 1st, 2024, all Unincorporated Hamilton County Major and Minor Plat applications and variance applications and City of Chattanooga subdivision variance applications will no longer be received via email, they must be submitted through Open Gov.  

RPA Plats

There are three (3) types of RPA plat reviews:

Staff Approved Plats

Any division or revision of lots less than five (5) lots with no needed variances or new public streets.   These plats do not go to the Planning Commission.

To submit for review, email a PDF of the plat and the AutoCAD file to the Hamilton County Geospatial Office for review at sdreview@hamiltontn.gov.  Review times are typically 10 business days.

Minor Plats

Subdivisions of 6-10 lots.  Requires Planning Commision approval.  Plat can be submitted as a combination Preliminary/Final Plat to the Planning Commission.

To submit please fill out the Major and Minor Subdivision Plat Review (RPA) form on sites linked below:

Hamilton County

Subdivision plat submittals are due by the third Monday of the month.

Major Plats

Subdivisions of more than 10 lots.  Requires Planning Commission approval.  Preliminary Plat and Final Plat are required to be submitted separately.

To submit please fill out the Major and Minor Subdivision Plat Review (RPA) form on sites linked below:

Hamilton County

Subdivision plat submittals are due by the third Monday of the month.

Questions? Contact the RPA at subdivision@chattanooga.gov

Application & Resources

Click on a link below.