Accessory Building

Accessory Building

General Information 

A Permit is required for the construction of a Building larger than 50 Square feet.  The requirements adopted by the City can be found in the City of Mont Belvieu Ordinance Chapter 42 Section 226., and International Residential Code, 2018 International Building Code, 2018 International Plumbing Code, 2018 International Mechanical Code, 2023 NEC- National Electrical Code and TDI- Texas Department of Insurance Windstorm

Submittal Requirements 

Please apply at The City’s online system My Government Online

Requirements for 50 square feet up to 199 square feet 

  • Site Plan/Survey – Showing the location of the new accessory structure and also showing how far from the primary structure and Property line and any and all Utility Easements on the Property
  • Foundation Plan if on a Foundation – Engineered Stamped 
  • Accessory building guideline under 200 

Required Documents for 200 square feet and above

  • Construction Drawings 
    • Foundation Plan if on a Foundation – Engineered Stamped 
    • Site Plan/Survey – Showing the location of the new accessory structure and also showing how far from the primary structure and Property line and any and all Utility Easements on the Property 
    • Windstorm Engineered Stamp – for the Wind speed of 140mph for 3 sec gust 
  • Approval Letter from the Homeowners Association – for subdivision with an HOA 

Optional MEP uploads if the building is going to have and Mechanical, Electrical and or Plumbing 

Inspection Requirements

An inspection request must be scheduled through My Government Online and performed by the City of Mont Belvieu for each task listed below:

  • Foundation Pre-Pour Inspection (If the building is on a foundation)
    • All rebar is in and lifted off the ground with no vegetation and the location is as shown in the approved site plan.
  • Frame Rough 
    • Matches the submitted plans and is compliant with the code(s) listed above.
  • Final Construction 
    • The site has been cleared of all waste and debris.  

MEP (optional)

  • Mechanical Rough 
    • Checking all installed components before the walls are closed. 
  • Electrical Rough 
    • The wiring for all outlets and light switches is complete before closing the walls.
  • Plumbing Rough 
    • Seeing the completion of the project and testing for leaks prior to closing the walls.

Schedule An Inspection

Use My Government Online to request all inspections. If for any reason you cannot log into your account, please:

  • Call the Customer Service line at (866) 957-3764
  • then press 5 for a new inspection.

All Inspection requests placed before 8:00 a.m. Monday through Friday will have a same-day inspection.