12 permits · verified 2026-10-08
What permits do you need to open a contractor or trade in Knox County Tn?
In short
A contractor or trade in Knox County Tn, TN has 1 permit that applies to every business of this type, plus 11 more that depend on your premises, signage or how you are set up. Knox County Clerk (Business Tax Division and Commission Library) charges $15 county license (county-only; inside the City of Knoxville the separate city business license is also required) for the county business tax license (standard or minimal activity). 4 of the 12 are charged as a range or formula rather than a flat fee. Verified 2026-10-08 against the issuing agencies’ published fee schedules.
Permits particular to a contractor or trade in Knox County Tn
| Permit | Issuing agency | Fee | Renews | Last checked |
|---|---|---|---|---|
| Contractor Licenseonly if it applies to you | Tennessee Board for Licensing Contractors | $250 application; $200 to renew | 2 years | 2026-09-03 |
Fees shown as a range or formula are set that way by the issuing agency — we do not average them into a single number.
Local permits that apply to every type of business in Knox County Tn
| Permit | Issuing agency | Fee | Renews | Last checked |
|---|---|---|---|---|
| County Business Tax License (Standard or Minimal Activity)only if it applies to you | Knox County Clerk (Business Tax Division and Commission Library) | $15 county license (county-only; inside the City of Knoxville the separate city business license is also required) | minimal activity license: renewed each year with the $15 fee by the expiration date on the license; standard license: the Clerk mails the updated license once the Department of Revenue reports the annual business tax paid | 2026-10-08 |
| Commercial Building Permit and Plans Review | Knox County Code Administration and Inspection Department | Varies — formula on the Knox County Tn page | per permit | 2026-10-08 |
| Sign Permitonly if it applies to you | Knox County Code Administration and Inspection Department | Varies — formula on the Knox County Tn page | per permit | 2026-10-08 |
| Temporary Certificate of Occupancyonly if it applies to you | Knox County Code Administration and Inspection Department | $50 per temporary certificate of occupancy (the technology access fee does not apply) | temporary; per certificate | 2026-10-08 |
| Temporary Use Permitonly if it applies to you | Knox County Code Administration and Inspection Department | $75 per temporary use permit, plus the $25 technology access fee | per permit | 2026-10-08 |
| Zoning Verification Letteronly if it applies to you | Knox County Code Administration and Inspection Department | $60 per letter (the technology access fee does not apply) | one-time, per letter | 2026-10-08 |
| Subsurface Sewage Disposal System (Septic) Installation Permitonly if it applies to you | Knox County Health Department, Groundwater Division | $200 per SSDS installation permit / drain-field layout | per permit | 2026-10-08 |
Fees shown as a range or formula are set that way by the issuing agency — we do not average them into a single number.
TN registrations that apply to every type of business
| Permit | Issuing agency | Fee | Renews | Last checked |
|---|---|---|---|---|
| Articles of Organization (LLC)only if it applies to you | Tennessee Secretary of State, Division of Business and Charitable Organizations | Varies — formula on the TN page | no expiry, but an annual report on the same per-member scale is due each year | 2026-09-03 |
| For-Profit Corporation Charteronly if it applies to you | Tennessee Secretary of State, Division of Business and Charitable Organizations | $100 one-time filing | no expiry, but a $20 annual report is due each year | 2026-09-03 |
| Standard or Minimal Activity Business Licenseonly if it applies to you | Tennessee Department of Revenue | $15 per jurisdiction per location — charged again by the city if it has enacted the tax | annual for a standard license, renewed free when the tax return is filed | 2026-09-03 |
| Annual Reportonly if it applies to you | Tennessee Secretary of State, Division of Business and Charitable Organizations | Varies — formula on the TN page | annual — due the first day of the fourth month after the fiscal year ends | 2026-09-03 |
Fees shown as a range or formula are set that way by the issuing agency — we do not average them into a single number.
How much does it actually cost to permit a contractor or trade in Knox County Tn?
There is no single figure, and any site quoting one is rounding away the part that matters. Of the 12 records listed for a contractor or trade in Knox County Tn, TN, 1 apply to every business of this type and 11 are conditional. Adding every fee on the page together would overstate what most operators pay, because it would include permits they never need.
4 of the 12 are charged as a range or a formula set by the issuing agency, and 0 have no fee published at all.
The other 4 variable fees belong to permits that apply to every type of business here; their formulas are set out on the Knox County Tn permits page and the TN state page.
Which offices issue these permits in Knox County Tn?
Permits for a contractor or trade in Knox County Tn, TN come from 6 separate offices: Knox County Clerk (Business Tax Division and Commission Library), Knox County Code Administration and Inspection Department, Knox County Health Department, Groundwater Division, Tennessee Secretary of State, Division of Business and Charitable Organizations, Tennessee Department of Revenue, Tennessee Board for Licensing Contractors. No single office issues them all, which is why an opening means filing in several places rather than one.
- Knox County Clerk (Business Tax Division and Commission Library)Issues 1 permit on this page: County Business Tax License (Standard or Minimal Activity)Old Courthouse, 300 Main Street, Knoxville, TN 37902 · 865-215-2392 (business licenses); 865-215-3441 (beer permits and wine certificates); 865-215-2385 (main office)www.knoxcounty.org/clerk/businesstax.php
- Knox County Code Administration and Inspection DepartmentIssues 5 permits on this page, including Commercial Building Permit and Plans Review, Sign Permit, Temporary Certificate of Occupancy400 Main Street, Suite 547, Knoxville, TN 37902 · 865-215-2325www.knoxcounty.org/codes/index.php
- Knox County Health Department, Groundwater DivisionIssues 1 permit on this page: Subsurface Sewage Disposal System (Septic) Installation Permit140 Dameron Ave., Knoxville, TN 37917 · 865-215-5200 (ext. 1)www.knoxcounty.org/health/groundwater_protection/groundwater_services.php
- Tennessee Secretary of State, Division of Business and Charitable OrganizationsIssues 3 permits on this page: Articles of Organization (LLC), For-Profit Corporation Charter, Annual Report312 Rosa L. Parks Avenue, 6th Floor, Nashville, TN 37243-1102 · (615) 741-2286tncab.tnsos.gov
- Tennessee Department of RevenueIssues 1 permit on this page: Standard or Minimal Activity Business License500 Deaderick Street, Nashville, TN 37242 · (800) 342-1003www.tn.gov/revenue/taxes/business-tax/registration-and-licensing.html
- Tennessee Board for Licensing ContractorsIssues 1 permit on this page: Contractor License500 James Robertson Parkway, 4th Floor, Nashville, TN 37243-1150 · (615) 741-8307www.tn.gov/commerce/regboards/contractors.html
What does a contractor or trade need in Knox County Tn that other businesses do not?
1 of the 1 permit particular to a contractor or trade here applies to no other business type we cover in Knox County Tn: Contractor License.
Contractor License
The threshold is $25,000 for a prime contractor and for electrical, mechanical, plumbing, HVAC and roofing subcontractors, but $100,000 for a masonry subcontractor — the one trade with its own number. Drywall, painting, landscaping, carpentry and excavation need no state license at all. Below the main threshold a separate home improvement license covers residential work from $3,000 to $24,999, at the same $250 and $200 per business location plus a $10,000 surety bond, but only in the nine counties that have adopted it: Bradley, Davidson, Hamilton, Haywood, Knox, Marion, Robertson, Rutherford and Shelby. The monetary limit on your license is separate from the threshold and is set at ten times the lesser of working capital or net worth, with $300,000 in both needed for an unlimited license. Late renewal costs $20 a month for up to a year.
The other 7 local permits in the tables apply to every type of business in Knox County Tn, TN; what each one involves is set out on the Knox County Tn permits page. The 4 state-level registrations apply to every type of business across TN and are covered on the TN state page.
How does a contractor or trade compare with other businesses in Knox County Tn?
The closest match is a auto repair shop, which shares 0 of these permits. A contractor or trade also needs Contractor License. A auto repair shop needs Air Quality Permit-by-Rule — Auto Body Refinishing and Automotive Repair Shop Licensing — Tennessee Position, which a contractor or trade does not.
| Business | Its own permits | Shared with a contractor or trade | Only a contractor or trade needs | Only it needs |
|---|---|---|---|---|
| Auto repair shops | 2 | 0 | 1 | 2 |
| Childcare centres | 2 | 0 | 1 | 2 |
| Coffee shops | 3 | 0 | 1 | 3 |
| Fitness studios | 1 | 0 | 1 | 1 |
| Food trucks | 3 | 0 | 1 | 3 |
| Restaurants | 4 | 0 | 1 | 4 |
| Retail stores | 3 | 0 | 1 | 3 |
| Salons and barbers | 1 | 0 | 1 | 1 |
| Veterinary clinics | 1 | 0 | 1 | 1 |
Sources
Every figure for the permits explained on this page was read from one of these government pages on the date shown. Sources for the permits that apply to every type of business are listed on the Knox County Tn permits page and the TN state page. Confirmed by Editorial Team.
- Tennessee Comp. R. & Regs. 0680-01 — contractor licensing fees and bidding thresholdsTennessee Board for Licensing Contractors · primary source · retrieved 2026-09-03
- Tennessee Board for Licensing Contractors — home improvement license and the counties that have adopted itTennessee Department of Commerce and Insurance · primary source · retrieved 2026-09-03
Related
Commercial Compliance Hub publishes information, not legal advice. Requirements change — confirm anything you rely on with the issuing agency before you file.