Building Safety in Knoxville, TN (2026)
8 verified building safety rules for Knoxville, Tennessee, sourced directly from the municipal code and official government pages.
Verified from official government sources
Fire Sprinkler Requirements
Knoxville's building code bars the city from mandating automatic fire sprinklers in 3- and 4-family dwellings under 5,000 square feet, less than three stories, with two-hour fire-rated separation walls, floors and ceilings.
Knoxville Building Code Limits Local Fire Sprinkler Mandate
Few RestrictionsKnoxville Code of Ordinances § 6-6(b) (Ord. No. O-125-2024, § 2, 10-29-24)
The city shall not mandate automatic fire sprinkler systems for three-family dwellings and four-family dwellings where structures are under five thousand (5,000) square feet in area and less than three (3) stories in height and where two-hour fire-resistance-rating for wall, floor, and ceiling separation assemblies is met. (Ord. No. O-125-2024, § 2, 10-29-24) Editor's note— Ord. No. O-125-2...
Childcare Center Rules
Knoxville requires day care centers and day care homes to hold Tennessee Department of Human Services licensing, post it publicly, and provide a compliant pickup/drop-off area under the city's zoning code.
Knoxville Day Care Center Zoning Rules
Some RestrictionsKnoxville City Code, Appendix B (Zoning Code), Art. 9, § 9.3.E
E. Day Care Center and Day Care Home 1. Each day care center or day care home must comply with all applicable Tennessee Department of Human Services (TDHS) regulations, including required indoor and outdoor space. 2. The day care center's or day care home's operator's license must be displayed publicly. 4. A day care home is limited to the care of seven unrelated individuals who do not reside i...
Green Building Code
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.
Knoxville's Voluntary Green Construction Code
Light RestrictionsKnoxville Code of Ordinances §§ 6-55.1–6-55.2 (Ord. No. O-27-2014, § 1, 2-4-14; Ord. No. O-151-2014, § 1, 6-24-14)
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, cons...
Carbon Monoxide Detectors
Knoxville requires every short-term rental to have a working carbon monoxide detector within 15 feet of all bedrooms before the city will issue an operating permit.
Knoxville STR Carbon Monoxide Detectors
Some RestrictionsKnoxville Code of Ordinances § 16-612(2)
During each short term rental unit occupancy, each short term rental unit shall have the following life safety equipment on the premises and installed to manufacturer specifications: a. A smoke alarm meeting Underwriters Laboratory (UL) 217 standards inside each sleeping room, outside of and within fifteen (15) feet of sleeping rooms, and on each story of the dwelling unit, including basements;...
Building Permits
Knoxville withholds a building permit until five separate offices sign off: wastewater control, traffic engineering, city engineering, fire prevention, Knoxville-Knox County Planning, and inspections. Structural plans must meet building, mechanical, electrical, plumbing and gas code detail requirements before that review can even start.
Knoxville Building Permit Sign-Off Requirements
Some RestrictionsKnoxville Code of Ordinances §§ 6-1—6-2 (Code 1962, § 10-1(a)–(b); Ord. No. O-125-2024, § 2, 10-29-24)
All survey plot plans submitted pursuant to this chapter shall show the existing and proposed drainage, utility easements, utility connections, building setbacks, and parking areas including ingress and egress. Structural plans shall show all details required by the building, mechanical, electrical, plumbing and gas codes. No building permit shall be issued until all signatures of approval have...
Electrical Permits
Knoxville requires a permit before any electrical construction, alteration, or repair work, issued by the Department of Plans Review and Inspections under the city's 2023 National Electrical Code amendments.
Knoxville Electrical Permit Requirement
Some RestrictionsKnoxville Code of Ordinances § 10-27 (NEC § 10.30, Permits Required, as locally amended)
An owner, authorized agent or contractor who desires to construct, enlarge, alter, repair, move, demolish or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace electrical systems or equipment, the installation of which is regulated by this code, or to cause such work to be done, shall first make application to the building o...
Plumbing Permits
Knoxville requires plumbing work to be permitted under the adopted 2024 International Plumbing Code, with permit expiration and fees set by the city's own amendments in § 6-107.
Knoxville Plumbing Permit Code
Some RestrictionsKnoxville Code of Ordinances § 6-106 (Ord. No. O-148-99, §§ 1, 6, 5-4-99; Ord. No. O-125-2024, § 2, 10-29-24)
The International Plumbing Code, 2024 edition, and Appendices B, C, D, and E, as modified by the provisions of this article, is hereby adopted as the Plumbing Code of the City of Knoxville ("plumbing code") and is made a part of this article by reference as though copied herein in full. (Ord. No. O-148-99, §§ 1, 6, 5-4-99; Ord. No. O-81-07, § 1, 4-24-07; Ord. No. O-224-2012, § 1, 12-11-12; O...
Building Inspections
Knoxville requires electrical work to pass staged inspections -- underground, rough-in, and final -- before any wiring can be covered, concealed, or connected to permanent power.
Knoxville Electrical Inspection Stages
Some RestrictionsKnoxville Code of Ordinances § 10-27 (NEC §§ 10.34.1, 10.34.3, 10.34.5 - Inspections, as locally amended)
10.34.1 Inspection requests. It shall be the duty of the holder of the electrical permit or their duly authorized agent to notify the building official when work is ready for inspection. ... 10.34.3 Underground. Underground inspection shall be made after trenches or ditches are excavated and bedded, piping and conductors installed, and before backfill is put in place. ... 10.34.5 Final. Final i...
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County ordinances apply to unincorporated areas and may supplement Knoxville city rules.
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