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Building Requirements

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1. Do I have to have an Occupancy Permit to move into the City of Brentwood?

Yes. See the LINK for more information.

2. Do I need to have an Occupancy Permit if I am a renter?

Yes. Any new tenant, whether renting or owning, is required to have an occupancy permit.  The property owner or manager should set up the permit and a obtain a passed inspection prior to a new tenant moving in.  Once the inspection has passed, the new resident will come in to City Hall to complete the process.

3. How do I obtain an Occupancy Permit?

The current owner or landlord is responsible for applying for the permit and arranging a housing inspection.  The inspection fee is $45 and must be paid prior to the inspection. If more than 2 inspections are required, each additional inspection is $25.

After the unit has passed the inspection, the new tenant or owner completes the application for Residential Occupancy Permit and pays a $25 charge. The application must be completed and payment must be made before the permit certificate is issued. If you are financing the home purchase, most lenders will require you to have a passed occupancy inspection prior to closing the loan.

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4. What does the inspection cost?

The inspection is done for $45 and is typically done by the current owner/property manager, who generally pays for the necessary repairs, if any.  If more than 2 inspections are required, $25 per inspection will be charged.

An occupancy permit  cannot be issued until the house/unit passes the inspection.

5. For how long is the inspection valid?

Six months. If the unit has remained unoccupied during that period, we can extend the expiration of the inspection.

6. Can I use the occupancy inspection to satisfy the inspection referred to in my purchase offer?

It is not recommended you do this. The inspection done by a professional home inspector as a part of your purchase of a home is much more thorough than the city's inspection. We look primarily for life, health and safety issues. We do not look, for example, at the condition of the furnace or the anticipated future life of the roof system. The private inspector will give you a report on those types of things.

7. When are building permits required?

Building permits are required when:

You make a structural change in the building (e.g., you want to move a staircase).

You make a change to the light and/or ventilation (e.g., you want to make a window smaller or larger).

You want to change the ingress/egress of the unit (e.g., you want to close off a door to the outside).

8. What building codes are in force in Brentwood?

Residential: International Residential Code, 2018 Edition Commercial: International Building Code, 2018 Edition Electrical: National Electric Code, 2017 Edition Plumbing: International Plumbing Code, 2018 Edition Mechanical: International Mechanical Code, 2018 Edition Fire: International Fire Code, 2018 Maintenance: International Property Maintenance Code, 2018 Edition Energy: International Energy Conservation Code, 2018 Zoning: Chapter 400 of the Brentwood City Code

9. When is an electrical permit required?

Any time you change a circuit, add a receptacle, or delete a receptacle it is important to have the work inspected. In some cases, we will issue the homeowner a permit to do the work himself/herself. However, we will evaluate whether or not the homeowner knows what they are doing and whether they will be able to perform the work in a workmanlike manner. Otherwise, the electrician that you use will have to be licensed to do work in the City of Brentwood and will be required to obtain a permit.

10. When is a plumbing permit required?

A plumbing permit is required under the same circumstances as an electrical permit. The same condition for a homeowner permit also applies.

11. When is a mechanical permit required?

A mechanical permit is required for a change in the heating, ventilating and air conditioning system of the unit. Changing a furnace requires a permit. Changing an air conditioner (other than a window unit) requires a permit. We do not have provisions for a homeowner permit in this field.

12. Is it necessary to have a building permit to replace a roof?

No, but you may only overlay an existing roof if there is only one layer of material underneath it. This means there should never be more than two layers of shingles on your roof. If you already have two layers and need to re-roof a third time, you must remove the first two layers of shingles before applying the third. Also, if you have been experiencing roof problems (excessive sagging or leaks) it is probably wise to have the work inspected by the City. If you want us to look at the roof, a permit is required to grant us the authority to inspect.

13. I want to change the roof sheathing (plywood) on my roof. Is a permit required?

Yes. The roof sheathing is considered part of the structure.

14. I want to replace a double window with a sliding door. Is it necessary to have a permit for this?

Yes. This is considered a change in the ingress/egress of the unit.

15. I want to add a bedroom in the basement. Is a permit necessary?

Yes, a permit is required because bedrooms have a requirement for emergency access. Firefighters must be able to get into the bedroom from the outside. Therefore, the window must be a certain size. The only way for us to verify this is through the permit process.

16. I want to replace my kitchen sink with a new one. Is a permit required?

If the sink goes exactly where the old one was (even if it is bigger or smaller) and no extension of the drain system is required, it is considered maintenance and does not require a permit.

17. I want to replace my kitchen cabinets. Does this require a permit?

If you are taking old cabinets out and putting new cabinets in, and are not tampering with plumbing or electric fixtures, then no permit is required. If you are moving or adding electric fixtures or plumbing, a permit is required.

18. I want to put drain tile in the inside of the basement. Do I need a permit?

Generally not, unless the system drains into a sump with a pump. Because of the electrical pump connection, an electrical permit is required for this.

19. I want to put up a new fence. Is a permit required?

Yes a permit is required for new fences and replacing or repairing existing fences. 

20. I want to replace my chain link fence with a new chain link fence in exactly the same location. Is a permit required?

Chain link fences are no longer permitted. 

21. I want to replace my existing chain link fence with a stockade fence. Is a permit required?

Yes. And, the "good side" of the stockade fence must face outward toward the public or the adjoining property owners.

22. Is a permit required to replace a brick or concrete patio?

A permit is generally not required. However, if the patio is higher than 3' above the neighboring property and the patio is located in the yard setback area, then approval from the Board of Aldermen is required. If the patio does not meet those criteria, a permit is not required. The Board approval is required to make sure the new patio does not impose upon the neighbors' enjoyment of their property.

23. What is needed for a building permit?

All permitting is done online through the MyGov portal.  We no longer do paper applications. Exterior work requires a boundary survey.  Some applications will require and architect seal on plans. Minor construction activity, such as a yard shed, does not require drawings with an architect's seal. If you have questions, contact the Planning & Developmen Dept at 314.963.8602.

24. My job is so small that it does not make sense for me to hire an architect and spend $500 in professional fees for a porch that would cost $250 in material. What should I do?

Call the Planning and Development department and speak with the plan reviewer. We can usually use a little common sense and work with you on your project.

25. How long does it take to get a building permit?

It depends on how many applications have been filed ahead of yours. Normally, it takes just a few days, but it may take as long as two weeks depending on the number of plans and permits under review.

26. Do I need any permits from St. Louis County?

Not for building, electrical, mechanical or plumbing jobs or demolition permits.