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File #: BL2025-XXX(Johnston)   
Type: Bill Status: First Reading
File created: 11/3/2025 In control: Metropolitan Council
On agenda: 11/18/2025 Final action:
Title: An ordinance amending Chapters 17.36 and 17.40 of the Metropolitan Code to create a Detached Accessory Dwelling Unit Exclusion Overlay district (Proposal No. 2025Z-017TX-001).
Sponsors: Courtney Johnston
Attachments: 1. DADU Exclusion Overlay - Exhibit A
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An ordinance amending Chapters 17.36 and 17.40 of the Metropolitan Code to create a Detached Accessory Dwelling Unit Exclusion Overlay district (Proposal No. 2025Z-017TX-001).

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BE IT ENACTED BY THE COUNTY OF THE METROPOLITAN GOVERNMENT OF NASHVILLE AND DAVIDSON COUNTY:
Section 1. That the Zoning District Land Use Table in Section 17.08.030 is amended as shown in Exhibit A.
Section 2. That Chapter 17.36 of the Metropolitan Code of Laws is hereby amended by creating Article XIX - Detached Accessory Dwelling Unit Exclusion Overlay, as follows:
17.36.790 - Purpose and intent.
The detached accessory dwelling unit exclusion overlay district prohibits the detached accessory dwelling unit use within the boundaries of the overlay to preserve neighborhood character.
17.36.800 - Overlay designation.
A detached accessory dwelling unit exclusion overlay district shall be created according to the procedures of Chapter 17.40, Article III and depicted as a geographical area on the official zoning map.
17.36.820 - Permitted land uses.
The range of land uses permitted within a detached accessory dwelling unit exclusion overlay district shall be those permitted by the underlying zoning district(s) as established by the zoning district land use table of Section 17.08.030 with the exception that the detached accessory dwelling unit use shall be prohibited.
17.36.830 - Detached Accessory Dwelling Unit Exclusion Overlay District.
A. Application for a Detached Accessory Dwelling Unit Exclusion Overlay District. Lots included in a district must be contiguous.
B. Historic Overlay District. A detached accessory dwelling unit exclusion overlay district may be applied in an adopted historic overlay district if consistent with the adopted guidelines of the historic overlay district.
C. Eligible Zoning Districts. Detached accessory dwelling unit exclusion overlay districts shall only be applicable in zoning districts that permit the detached accessory dwelling unit use. Detache...

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