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Knoxville, TN Zoning Overlays & Bonuses: Density Bonus Law (2026)

Significant Restrictions

Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Mechanism: Planned Development (PD) exception, not by-right
Approval body: City Council, on Planning Commission recommendation
Qualifying benefit: Affordable or senior housing set-asides
Affordability standard: Set by Knoxville Community Development Dept.
Applies in: All zoning districts, city limits only

Summary

Knoxville's Planned Development process lets the City Council grant exceptions to zoning district dimensional standards, including density, in exchange for public benefits like affordable housing set-asides under the Recode Knoxville zoning code.

The Knoxville-Knox County Planning Commission may recommend and the City Council may grant exceptions to the zoning district dimensional, design, and use regulations where a planned development is located... In no case may an exception to district regulations be granted unless the applicant demonstrates a substantial benefit to the City... h. Affordable housing set-asides. Affordable housing must comply with the standards for affordability approved by the Knoxville Community Development Department.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 80).

Full Breakdown

Knoxville's zoning code has no line item labeled "density bonus," but Appendix B, Article 16 achieves the same result: a Planned Development (PD) applicant can ask the City Council, on the Knoxville-Knox County Planning Commission's recommendation, to except a project from the underlying district's dimensional, design, and use regulations. To win that exception the applicant must demonstrate a substantial benefit to the City, the code lists affordable housing set-asides and senior housing set-asides alongside open space, sustainable design, and historic preservation as qualifying benefits. Affordable units must meet the affordability standards approved by the Knoxville Community Development Department.

Violations & Fines

Development that deviates from the approved PD final plan violates the Zoning Code; the City Council may revoke all approvals granted for the planned development.

Frequently Asked Questions

Does Knoxville have a density bonus ordinance?

Not by that name. Its Planned Development process (Appendix B, Art. 16, § 16.7) lets the City Council grant exceptions to dimensional limits, including density, for public benefits such as affordable housing set-asides.

Who decides if a project qualifies for the exception?

The Knoxville-Knox County Planning Commission reviews the plan and recommends action; the City Council makes the final decision and can attach conditions.

Can any project just build denser without going through this?

No. Exceptions from the underlying district's dimensional regulations require the full PD pre-application, preliminary plan, and final plan approval process.

Sources & Official References

[1]Knoxville City Code, Appendix B (Zoning Code), Art. 16

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