On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Hamblen County
If you are building or installing a structure. County sources specifically list new construction, mobile homes, mechanical/plumbing/gas, renovation/remodel, porches/decks, accessory buildings, garages, pools, barns, cell towers, and signs.
Renovation projects that do not affect the structure of the building, such as painting, cabinet replacement, and new flooring
Roof replacement or repair
Electrical work, with a note to contact the utility company
Tree houses, dog houses, and children's play equipment
Fences
- Exempt Renovation projects that do not affect the structure of the building, such as painting, cabinet replacement, and new flooring
- Exempt Roof replacement or repair
- Exempt Electrical work, with a note to contact the utility company
- Exempt Tree houses, dog houses, and children's play equipment
- Exempt Fences
Required documents
- Building permit application; site plan; floor plan; land disturbance form; septic approval if applicable; contractor license and insurance documents; plumber license documents when applicable.
- Building code
- 2018 International Building Code.
- Permit validity
- Not stated in the reviewed public materials.
- Owner-builder
- Residential package includes an affidavit of exemption. The county also states a property owner may construct a single residence once every two years for personal use without being a licensed contractor in the Morristown materials reviewed, but that rule was not separately published on the county page set reviewed here, so it should be treated as an owner-builder reference rather than a countywide permit rule unless confirmed directly with staff.
- Contractor requirements
- Contractor license, workers comp and liability insurance or Tennessee exemption, and plumber license minimum LLP are required for permit issuance.
§ 03
Application process
Typical processing: Not stated numerically; county says complete applications are issued quickly.
- 01 Determine the permit type for the work.
- 02 Complete the county application in full and gather all required supporting documents.
- 03 Email the application to planning@co.hamblen.tn.us or deliver it through the county planning office process.
- 04 County staff reviews zoning, stormwater, septic, and contractor requirements.
- 05 Permit is issued after all items are complete and approved.
Typical processing time: Not stated numerically; county says complete applications are issued quickly.
Source: Hamblen County Planning Commission, Office of Planning and Zoning ↗
§ 04
Fee schedule
Hamblen County building permit fees
Fee type
Amount
01
Minimum permit fee
$10 permit issuance for plumbing, mechanical, or gas; $25 minimum for some structures; $50 demolition; $100 stormwater management permit.
02
Plan check fee
Not separately published in the reviewed county materials.
03
Permit fee formula
Mixed. The county uses square-foot charges for building permits, flat charges for selected permit types, and unit-based charges for plumbing, mechanical, gas, and stormwater items.
04
Reinspection fee
Failure to pass inspection twice adds $25. Work begun before permit issuance doubles permit fees. After-hours inspections cost $20.
No online payment portal was identified in the reviewed public materials.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Call the building inspector office and leave a voicemail with name, property address, phone number, and inspection request. (phone)
- Inspection hours
- Monday through Friday, 8:30 AM to 4:30 PM.
- Time windows
- Monday through Friday, 8:30 AM to 4:30 PM.
Typical sequence: Inspection card and checklists are issued with the permit; building work then proceeds through required trade and final inspections.
Two failed inspections add $25, and after-hours inspections cost $20.
§ 06
Frequently asked
Common questions about unincorporated Hamblen County permits
01 Do I need a building permit in unincorporated Hamblen County, TN? ▸
If you are building or installing a structure. County sources specifically list new construction, mobile homes, mechanical/plumbing/gas, renovation/remodel, porches/decks, accessory buildings, garages, pools, barns, cell towers, and signs.
02 How much does a building permit cost in unincorporated Hamblen County, TN? ▸
Building permit fees in unincorporated Hamblen County, TN are set by the local building department and vary by project type and valuation. The minimum permit fee is $10 permit issuance for plumbing, mechanical, or gas; $25 minimum for some structures; $50 demolition; $100 stormwater management permit.. Fees are calculated as: Mixed. The county uses square-foot charges for building permits, flat charges for selected permit types, and unit-based charges for plumbing, mechanical, gas, and stormwater items.. Plan check fee: Not separately published in the reviewed county materials..
03 How do I apply for a building permit in unincorporated Hamblen County, TN? ▸
To apply for a building permit in unincorporated Hamblen County, TN, follow these steps: 1. Determine the permit type for the work. 2. Complete the county application in full and gather all required supporting documents. 3. Email the application to planning@co.hamblen.tn.us or deliver it through the county planning office process. 4. County staff reviews zoning, stormwater, septic, and contractor requirements. 5. Permit is issued after all items are complete and approved.
04 How long does it take to get a building permit in unincorporated Hamblen County, TN? ▸
Building permit processing times in unincorporated Hamblen County, TN typically run Not stated numerically; county says complete applications are issued quickly.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Hamblen County, TN? ▸
Not all construction work requires a permit in unincorporated Hamblen County, TN. The following work is generally exempt: Renovation projects that do not affect the structure of the building, such as painting, cabinet replacement, and new flooring; Roof replacement or repair; Electrical work, with a note to contact the utility company; Tree houses, dog houses, and children's play equipment; Fences. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Hamblen County, TN? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Hamblen County, TN via: Call the building inspector office and leave a voicemail with name, property address, phone number, and inspection request..
last verified April 2026
source Hamblen County Planning Commission, Office of Planning and Zoning ↗
entry id permits/tennessee/hamblen/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Hamblen County Planning Commission, Office of Planning and Zoning before applying. Jaspector is not legal advice.