County Building Permits
Harris County Building Permit Guide (Unincorporated Area)
How to apply for a building permit in unincorporated Harris County, Texas. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated areas of Harris County. Harris County operates a Permits Division that facilitates development, construction, and occupancy of buildings and properties in unincorporated areas. Fire-code inspections tied to county permits are coordinated through the Harris County Fire Marshal.
- Department
- Harris County Office of the County Engineer, Permits Division
Online Permit Portal
Platform: Harris County ePermits • Account required: Yes • Submission: Online only
Application Process
- Confirm your property is in unincorporated Harris County (not within a city limit) and determine permit requirements with the County Engineer.
- Prepare application materials according to Harris County requirements, including site plans, property information, and project scope details.
- Create an account on Harris County ePermits and submit your application online.
- County staff reviews the application for completeness and technical compliance.
- Pay permit fees as invoiced.
- For inspections, coordinate with Harris County or the Fire Marshal as required.
- Comply with any requested revisions and obtain final approval before construction.
Typical processing time: Timeframe not specified by county; verify with Permits Division.
Source: Harris County Office of the County Engineer, Permits Division
General Requirements
Building permits are required for covered construction work in unincorporated Harris County as defined by county code and applicable building standards.
Required Documents
- Completed permit application
- Site plan
- Project scope and construction details
- Proof of ownership or authorization
- Additional supporting materials as requested
- Permit validity
- Permit validity period not specified in reviewed materials; confirm with County Engineer.
- Building code
- Harris County adopts building code requirements; verify current code series with County Engineer.
- Owner-builder
- Owner-builder requirements not specified in reviewed materials; confirm with County Engineer.
- Contractor requirements
- Contractor requirements not specified in reviewed materials; confirm with County Engineer.
Fees
- Permit fee formula
- Fee structure not detailed in reviewed materials; contact County Engineer for current fees.
- Payment note
- Payments can be made through Harris County ePermits online system.
Work That Does NOT Require a Permit
Contact the Harris County Office of the County Engineer, Permits Division to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- Harris County ePermits (online)
Typical inspection sequence: Inspection requirements and sequences are coordinated through County Engineer and Harris County Fire Marshal as applicable.
Policy on remote inspections not specified in reviewed materials.
Additional Resources
- Building code: Harris County adopts building code requirements; verify current code series with County Engineer.
- Verify contractor license: California CSLB License Lookup
- Harris County Office of County Engineer
- License lookup guide: Texas Contractor License Requirements
- Contract template: Texas Homeowner-Contractor Agreement
- Texas hub: Texas Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Harris County Office of the County Engineer, Permits Division before applying.
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