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Detached Accessory Dwelling Unit (DADU) Overlay District

Metropolitan Code of Nashville and Davidson County tit. 17, ch. 17.36, art. XVII
in effect

Metropolitan Code of Nashville and Davidson County § 17.36.680 Purpose and intent.

17.36.680 - Purpose and intent. The Detached Accessory Dwelling Unit (DADU) overlay district provides additional housing options in the General Services District (GSD), outside of the Urban Service District (USD). Any DADU Overlays previously adopted may remain in effect until the metropolitan council adopts an ordinance canceling all or part of such DADU overlay district. (Ord. BL2025-1007 § 7, 2025; Ord. BL2021-784 § 1, 2021; Ord. BL2021-620 § 1, 2021)

Metropolitan Code of Nashville and Davidson County § 17.36.690 Overlay designation.

17.36.690 - Overlay designation. A DADU overlay district shall only be created within the GSD, outside of the USD, according to the procedures of Chapter 17.40, Article III and depicted as a geographical area on the official zoning map. Any DADU Overlay previously adopted may remain in effect until the metropolitan council adopts an ordinance canceling all or part of such DADU overlay district. (Ord. BL2025-1007 § 8, 2025; Ord. BL2021-784 § 2, 2021; Ord. BL2021-620 § 1, 2021)

Metropolitan Code of Nashville and Davidson County § 17.36.710 Permitted land uses.

17.36.710 - Permitted land uses. The range of land uses permitted within a DADU 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 and detached accessory dwelling unit. On any lot where a new detached accessory dwelling unit is built, or on any lot where a new detached accessory dwelling unit is established via conversion of an existing accessory structure, short term rental property-owner occupied, is not a permitted use in the accessory dwelling unit. (Ord. BL2025-1007 § 9, 2025; Ord. BL2024-184 § 7, 2024; Amdt. 1 to Ord. BL2021-620 § 1, 2021; Ord. BL2021-620 § 1, 2021)

Metropolitan Code of Nashville and Davidson County § 17.36.730 Detached Accessory Dwelling Unit Overlay District.

17.36.730 - Detached Accessory Dwelling Unit Overlay District. A. Application of a DADU overlay. 1. A DADU overlay may be applied to properties zoned AR2a, AG, R/R-A, RS/RS-A or properties where a DADU is a legally permitted use prior to the establishment of the overlay. 2. A DADU overlay shall consist of a minimum of 30 contiguous lots. For the purposes of this overlay, lots on opposing block faces and opposite sides of alleys shall be considered contiguous. 3. Properties within a DADU overlay shall not share lot lines with single-family residential zoned properties that are not in the overlay district. B. Planning Commission Recommendation. The planning commission shall review a proposed DADU overlay district application for conformance with the General Plan. The planning commission shall act to recommend approval or disapproval of the application. Within ten working days of an action, the commission's resolution shall be transmitted in writing to the applicant, the metro clerk, the zoning administrator and all other appropriate governmental departments. C. Council Consideration. The metropolitan council shall consider an ordinance establishing a DADU overlay district according to the procedures of Article III of this chapter (Amendments). All property owners within and proximate to a proposed DADU overlay district shall be notified according to the procedures of Article XV of this chapter. D. Final Site Plan Approval. For property located within a DADU overlay district, a final site plan application shall be submitted for review and approval by the Zoning Administrator in a manner consistent with the procedures of Section 17.40.170A. The applicant is required to submit all necessary information to the Zoning Administrator and to certify the accuracy of the submitted information. E. Changes to a DADU Overlay District Boundary. A proposed change in the geographic boundary of a DADU overlay district on the official zoning map shall be considered by the council according to the procedures of Article III of this chapter (Amendments). (Ord. BL2025-1007 § 10, 2025; Amdt. 1 to Ord. BL2021-620 § 1, 2021; Ord. BL2021-620 § 1, 2021)
Source: Metropolitan Government of Nashville and Davidson County, Metropolitan Code and Charter (Municode Library, library.municode.com)URL: https://library.municode.com/tn/metro_government_of_nashville_and_davidson_county/codes/code_of_ordinances?nodeId=CD_TIT17ZO_CH17.36OVDI_ARTXVIIDEACDWUNDAOVDIFetched: 10/28/2026

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