Knoxville, TN Building Safety: Green Building Code (2026)
Key Facts
- Code adopted
- IgCC 2012 edition, Ch. 1-12 + Appendix B
- Compliance basis
- Voluntary, not mandatory
- Waste diversion target
- 50% from landfills
- Energy zEPI target
- No requirement set
- Appeals board size
- 9 members, 5-year terms
- Governing sections
- City Code §§ 6-55.1, 6-55.2
Summary
Knoxville has adopted the International Green Construction Code, 2012 edition, but only on a voluntary basis: builders may opt in rather than being forced to comply on every project. Where a project does opt in, the city's amended table sets specific local requirements, including a 50% construction-waste diversion rate.
Chapters 1 through 12 and Appendix B of the International Green Construction Code, 2012 edition, are hereby adopted as the Green Construction Code of the City of Knoxville ("Green Construction Code") and are made a part of this article by reference as though copied herein in full, with amendments set out in this article. ... This Code shall apply for use on a voluntary basis to the design, construction, addition, alteration, change of occupancy, relocation, replacement, repair, equipment, building site, maintenance, removal and demolition of every building or structure or any appurtenances connected or attached to such buildings or structures and to the site on which the building is located.
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
1. 2 rewrites the code's scope section to make clear the code applies on a voluntary basis to design, construction, addition, alteration, change of occupancy, relocation, replacement, repair, equipment, building site, maintenance, removal and demolition work, rather than as a mandatory overlay on every permit. 1 fixes which chapters actually apply locally: flood hazard preservation, surface water protection, conservation areas, agricultural land and greenfield-site provisions in Chapter 4 are all marked "Yes," as are high-occupancy and low-emission vehicle parking and light pollution control. Chapter 5's minimum waste-material diversion from landfills is set at 50 percent.
The energy chapter's zEPI (energy performance index) target of 46 or less is marked "No requirement," while automated demand response infrastructure is required. Municipal reclaimed water use under Chapter 7 is not required, but post-construction indoor air quality testing and sound transmission standards under Chapter 8 are. The code also creates a nine-member Construction Appeals Board, appointed by the mayor to staggered five-year terms, to hear appeals of building official decisions interpreting the code, with applications due within 30 days of a decision and no fewer than three affirmative votes needed to vary any code requirement.
Violations & Fines
Because compliance is elective under Section 6-55.2's voluntary scope, the code carries no independent penalty for non-adoption; the sanctions that apply are the standard building-permit enforcement tools in Chapter 6, including fee assessments under the amended fee-refund and work-commenced-before-permit provisions, when a project that has opted in fails to follow the requirements it committed to under Table 302.1.
Frequently Asked Questions
Is Knoxville's green building code mandatory?
What waste diversion rate applies if a project opts into the green code?
Who hears appeals under Knoxville's green building code?
Sources & Official References
Other rules in Knoxville
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