One of the most common questions business owners ask before ordering a new sign is:
“Do I need a permit for this?”
If the sign is outside, in most cases, the answer is yes.
Sign permits in Marietta can feel confusing if you’ve never dealt with them before, especially for new businesses opening their first location. Between city regulations, landlord requirements, and installation rules, there are several details that need to be handled correctly before a sign can go up.
The good news is that the process becomes much easier when you understand the basics.
What Types of Signs Require a Permit?
Permanent exterior signs in Marietta require permitting before installation.
That typically includes:
- Channel letter signs
- Monument signs
- Illuminated signs
- Cabinet signs
- Pylon signs
- Wall signs
- LED message centers
If electrical work or structural installation is involved, permits are always required.
Temporary signs, banners, and window graphics may have different rules depending on size, placement, and how long they will be displayed.
Why Does the City Require Sign Permits?
Permits help ensure signs are installed safely and comply with local zoning regulations.
The city reviews factors like:
- Sign size
- Height
- Placement
- Electrical components
- Visibility near roadways
- Structural safety
- Property zoning requirements
Different areas of Marietta may have different restrictions depending on the type of property and surrounding businesses.
For example, shopping centers, freestanding retail buildings, and multi-tenant properties often have separate signage guidelines established by landlords or property management groups in addition to city regulations.

Can You Install a Sign Without a Permit?
Installing a permanent sign without approval can create major problems later.
Businesses may be required to:
- Remove the sign
- Modify the installation
- Pay fines
- Reapply for approval
In some cases, signs that don’t meet local code requirements may need to be completely replaced.
That’s why working with an experienced local sign company matters. A company familiar with Marietta sign regulations can help prevent delays and costly mistakes before production even begins.
How Long Does Sign Permitting Take in Marietta?
Permit timelines can vary depending on the project.
Simple sign replacements may move fairly quickly, while larger monument signs or custom structural projects can take longer because they often require additional engineering approvals.
Factors that can affect timing include:
- Property approvals
- Landlord reviews
- Electrical permits
- Engineering drawings
- Zoning requirements
- City review schedules
Planning ahead is important, especially for businesses opening on a deadline.
What Information Is Usually Needed for a Sign Permit?
Most sign permit applications require details such as:
- Sign dimensions
- Site plans
- Rendering or mockup of the sign
- Installation details
- Electrical specifications
- Contractor information
For larger signs, engineered drawings may also be required.
Do Interior Signs Require Permits?

Most interior signs do not require city permitting unless electrical or structural modifications are involved.
Lobby signs, wall graphics, directional signs, and interior branding elements can usually be installed without the same approval process required for exterior signage.
Choosing the Right Sign Company Makes the Process Easier
One of the biggest advantages of working with a local sign company is having someone guide you through permitting, design, fabrication, and installation from start to finish.
At Marietta Signs, we help businesses throughout Marietta and Metro Atlanta navigate the sign permitting process while designing custom signage built to meet both branding goals and local requirements. Whether you need channel letters, monument signs, storefront graphics, or LED signage, understanding the permit process early can save time, money, and frustration later on.