Administrative overview · FIPS 48121
Denton County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Denton County Development Services / Public Works; Denton County Public Health Environmental Health
For a project in or near Denton County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
Development Services: 940-349-2990; Fire Marshal: 940-349-2840; Public Health Environmental Health/OSSF: 940-349-2920
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Denton County Development Services, 3900 Morse Street, 2nd Floor, Denton, TX 76208
Operating hours
N/A for Development Services; county office hours are generally Monday, Tuesday, Thursday, and Friday 8:00 a.m.-4:30 p.m., and Wednesday 10:00 a.m.-4:30 p.m.; confirm before visiting.
Review expectation
Construction and operational plan review may take up to 10 working days after a complete submission and payment. Incomplete packages are rejected for resubmittal; OSSF review timing is N/A on the reviewed county page.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Denton County
Who handles permitting for this jurisdiction?
Denton County Development Services / Public Works; Denton County Public Health Environmental Health is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact Development Services: 940-349-2990; Fire Marshal: 940-349-2840; Public Health Environmental Health/OSSF: 940-349-2920.
How long might review take?
Construction and operational plan review may take up to 10 working days after a complete submission and payment. Incomplete packages are rejected for resubmittal; OSSF review timing is N/A on the reviewed county page.
How are inspections scheduled?
Submit complete development and construction permit materials in person, by mail, email to developmentpermits@dentoncounty.gov, or through the county’s Civic Access link on the Forms & Documents page. Construction plans require at least two drawing sets and one electronic copy; county inspections may be scheduled or unscheduled. Septic/OSSF questions and inspection procedures are handled by Public Health Environmental Health at 940-349-2920. Commercial fire inspections are coordinated through the Fire Marshal at 940-349-2840.
Which codes and exemptions should I review?
Denton County’s Fire Marshal states that unincorporated-area inspections use the 2021 International Fire and Building Code with county amendments. Development Services separately administers subdivision, floodplain, and land-use programs; no general residential countywide ICC edition was published on the reviewed county pages. Any development in unincorporated Denton County generally requires a Development Permit, including buildings, structures, mining, dredging, filling, grading, paving, excavation, drilling, and equipment/material storage. Fences and fence-type walls in the floodplain are included. Municipal limits and some ETJ areas may be handled by the applicable city; no broad cosmetic-work exemption list was published.