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​Commercial Technical Assistance Center

Please note: Effective Oct. 1, 2016 ​some of our permitting requirements have changed due to a new state law. Read more about the changes here or e-mail us​.​


CTAC provides the following services:


Do you have questions about the commercial code?

Call the Commercial Technical Assistance Center, 980-314-CODE(2633)


Send your questions to one of these CTAC Plans Examiners to get an answer by e-mail:

Nicholas GrippBrian Atwell,   Ken KiserShazia KhanKari Lanning,  Calvin Laton, Craig Sloop, Debra Simpson, and   Joseph Sandridge ​

Commercial customers can also visit CTAC at the

​Mecklenburg County Building Development Center
2145 Suttle Avenue
Charlotte, NC

or email CTAC.


Frequently​ Asked Questions

CTAC is aimed at anyone involved in a commercial project, including the owner, developer, engineer, architect or contractor. It is not intended to be a second opinion on a code interpretation already given by a plan reviewer or inspector. Questions can be answered before the permitting process begins. After you've entered into the preliminary code review or permit application process, the interpretations of your reviewer or inspector prevail.

For commercial code interpretation questions, visit or call CTAC at 980-314-CODE(2633).​

To check the status of a CTAC project during review click here, or contact one of the CTAC Coordinator     Masika Edwards

The current CTAC Plan Review turnaroud time is 5 days. This information is updated each Monday.

The Span Charts associated with yellow pine lumber have been modified. Please review the following amended span tables prior to designing your project:

Amended residential span tables from chapters 5 & 8

Suppliments to girder and header span tables for #2 Southern Pine

Amended commercial span tables from chapter 23

Supplements to girder and header span tables fro #2 Southern Pine

Requirements Regarding the Use of Professional Seals and the Practice of Architecture and Engineering in the State of North Carolina.

Commercial Single-Trade Permits

Stand-alone permits for minor work not requiring plan review may be issued on a case-by-case basis. Commercial trade permits are handled through the Commercial Technical Assistance Center (CTAC). Customers may come in person to our offices at 2145 Suttle Ave. 1st Floor or submit an on-line application through the contractor's dashboard. The appropriate trade permit application must be completed and signed and accompanied by a completed and signed address verification form. If the sub-permit is for work being performed on a project under construction, please bring a copy of the approved drawings or identify the approved project number in order to verify the work being permitted. If the work being requested on the sub-permit application requires drawings, the customer will be notified and the customer will need to submit drawings for review, either through OnSchedule Review or CTAC review.

Beginning July 13, 2015 - No plan review will be required on anything less than $5, 000.00 costs on an individual electrical permit.  This process will not be used for any project involving life safety systems, medical facilities, hazardous locations or load changes where the calculations exceed 200 amps. The contractor shall provide the department by electronic upload, on their letterhead, a signed definitive scope of work, a load calculation per the code and all necessary fault current information.

Sub-permits can also be submitted through the TIP program. Mecklenburg County requires contractors to have a permit for certain projects and now it is an easy online process. The contractor Trades Internet Permits (TIP) online process allows you to enter details of the work being performed for projects that do not require a Building permit, pay the permit fee and print the permits.

Special Events

From major conventions and international sporting events to community-based festivals, parades and athletic activities, the City of Charlotte and Mecklenburg County are proud to host nationally recognized events each year.

It is our goal to enhance the vitality, quality of life, and economic prosperity of Mecklenburg County along with the Towns of Cornelius, Davidson, Huntersville, Matthews, Mint Hill and Pineville.

Please visit the Special Events page for a full program description.

Interior Demolition Permits

Interior Demolition permits for commercial work are issued through the CTAC division. Interior Demolition is the demolition of interior components that do not affect rated assemblies and/or load bearing walls.  Customers will need to complete a building permit application, obtain an address verification form and submit these items to CTAC.

Total Demolition Permits

Total Demolition permits for commercial structures are also issued through the CTAC division. Customers need to assemble a building permit, address verification form, NESHAP form, and Health Department form.


Neshap Form On this link, scroll to Notifications and click the NESHAP Notification of Demolition and/or Renovation form.

Health Department On this link, click the Demo/Move Permits for information on demolition and to obtain forms.

If you are disturbing more than one acre or the property is within a swim buffer, contact Soil Erosion.

Construction and Demolition Recycling - Find out what you can recycle and reuse. Visit our C&D website for more information.

​​​Fire Repair and Restoration Projects

When preparing to permit commercial fire/water repair and restoration projects, the process will be the same as other repair or renovation projects. The scope of the work will determine what permits are required and whether a full plan review will be necessary prior to issuing permits. If the project is in a residential apartment, condo, or any other R-2 or R-3 use in the Commercial Building Code, please refer to our Fire Restoration Project Procedures document​. This document references our Modified 2012 Appendix B, which should be utilized only as directed.

CTAC Walk​​-Thru Review Program 

The CTAC  Walk-Thru Review is an incentive program for Architects & Engineers (A/E) who are ranked as "Superior Performers" in Mecklenburg County's  A/E Pass Rate Program. The program allows a Superior Performing Team to submit eligible small commercial projects to be reviewed, approved and permitted on the same day. The Design Professionals on the team must all have an individual score of 85% or higher in the A/E Pass Rate Program and shall be present in the lobby for the entire review process. This program is offered daily from 8:30 - 10:30AM on a first come, first served basis with no more than 5 projects reviewed per day. The Guidelines for CTAC Walk-Thru Review document goes over the specifics of the program, project eligibility, and requireed documentation. Please complete a CTAC Walk-Thru Review Submittal Cover Sheet​ to accompany the documentation listed in the guidelines.

CTA​​C Plan Review

Small projects may be channeled through Commercial Technical Assistance Center (CTAC). Our performance goals are to complete the project review within five days from the date of plan acceptance.

CTAC Elec​tro​nic Plan Submittal

Beginning November 1, 2012, the complete CTAC process, permitting, plan submittal and plan review can be accomplished from your computer. Code Enforcement customers with an established Contractor account and properly licensed, can submit a permit application and attach the electronic plans in PDF format for projects fitting the CTAC plan submittal project types listed below and according to the PDFGuidelines for Packaging Drawings for CTAC EPSPDFClick Here for a brief description of the process. You may also view a PDFFlowchart of the CTAC-EPS process. A step by step process may be viewed PDFhere.


Electronic Plan Submittal requirements are as follows:

  • Project types are limited to the "Project Types Accepted in CTAC", listed below
  • Project plans shall be compiled into one PDF file including an Appendix B and a table of contents (file size limit 40MB).
  • Drawings shall be orientated as Landscape & formatted to scale on 24" x 18" minimum page size.
  • Drawings shall be bookmarked by page.
  • The gate keeper checklist and any other supporting documents shall be separate attachments.
  • The electronic permit application must be complete and include all associated trade contractors.
  • Submittal of Revised Plans must be packaged with the disapproved sheets in front of the revised sheets.
  • If the submittal is an RTAP, a copy of the approved project's plans must be included in the submittal as a separate file. RTAP projects that do not require a new permit must currently be submitted through the paper process.

Failure to comply with these requirements will result in cancellation of the project and permit application.

A Step-by-Step Process for Paper Submittal
(This process has changed since the implementation of the electronic process)

The customer must choose to either convert their paper plans into an electronic PDF Format or encounter additional fees for Code Enforcement to manage this process.

Step 1

Time delays will be encountered during this process.
Submit project to the CTAC Coordinator. You will need to submit the following:

1 set of drawings (minimum 18" X 24"), bound and stapled, with an Appendix B and table of contents.

1 completed Building Permit application(with contractor/sub-contractors/cost of construction)

1 Letter of Authorization from the General Contractor listed on the permit (when applicable)

1 Address Verification form

1 Plan Submittal for CTAC Plan Review form

1 completed Self-Gatekeeping Checklist

Step 2

Once project is accepted, the CTAC Coordinator will contact a vendor to pick up the plans to convert them into an electronic PDF format. The vendo will send the electronic file to the CTAC Coordinator along with a bill for the conversion services. This process could add one or more days to the process.
Option: The customer may choose to perform this step themselves to avoid unnecessary time delays and pay for the plan conversion services. The customer may return to our facilities where Code Enforcement staff can assist them in submitting their project using our lobby computers (first time only).

Step 3

The CTAC Coordinator sets up the project and starts the plan review process

Step 4

CTAC review is typically a 5-day review process and approved projects will be issued permits at the time of approval, subject to permit application completion.

Disapproved projects will be returned with comments summarizing the defects.

Once the project is approved, additional administration fees of $31.60 per hour plus plan conversion fees from the vendor will be added to the permit/plan review fees for the project.

Project Types ​Accepted in CTAC

The following project list indicates projects generally thought to be eligible for Commercial Walk-Through Review (CTAC Review). Note: Customers should confirm eligibility for CTAC review in advance. Those projects which CTAC cannot review will be referred to OnSchedule Plan Review. The CTAC reviewers will make the final decision/determination of specific project eligibility.

Beginning March 5, 2008, CTAC Review will review Business and Mercantile upfits and renovations up to 10,000 sf. This is a change from the previous threshold of 7,500 sf. No other changes have been made to the eligible project types.

  • Handicap Ramps
  • Deck Additions
  • Interior Upfits, Business and Mercantile occupancy, 10,000 sf and less
  • Business and Mercantile renovations of areas up to 10,000 sf
  • Office/Warehouse with the office area up to 10,000 sf and no work being performed in the warehouse
  • Small additions, up to 400 sf*
  • Accessory buildings up to 400 sf*
  • Bathroom additions and renovations up to 1000 sf*
  • Minor fire/smoke repairs and minor structural fire repair*
  • Special events and amusements (tents, haunted houses, NCAA events, golf events, NASCAR events, NBA events, NFL events)
  • Interior pre-fabricated offices (modular petitioning)
  • Canopies
  • Co-locations on communication towers
  • Grease interceptors
  • Oil/water separators
  • Adding new plumbing, electrical, and mechanical (less than 10,000 sf)
  • Pedestrian bridges not connected to buildings
  • Parking lots
  • Facade changes*
  • Hood replacements
  • Above ground tanks
  • Pools (only if part of a pre-approved project by Zoning)
  • Racking systems 12 feet to top of the commodity being stored. Stored commodity exceeding 12 feet in height is considered High Piled Combustible Storage and must go through the OnSchedule Review process.
  • Retaining walls that are not part of the construction of a building. They must be stand alone retaining walls.


Any project that requires City Engineering approval or the Northern Small Towns (Davidson, Cornelius, Huntersville) Zoning approval must have approval prior to submitting to CTAC.

*Projects within the following Zoning Districts are not eligible for the Walk-Through Process: Historic Landmark, Historic District, MUDD, UMDD, PED, TOD, & UR.

CTAC will not review projects that are:

  • Change of occupancies/use
  • Assembly occupancy
  • Medical offices (ie: Dental offices, Plastic Surgery, I-2 occupancies, Doctor's offices, Chiropractor offices, etc.)
  • Daycare
  • Business occupancies with sit down food consumption
  • Hazardous occupancies and equipment
  • Factory/industrial occupancies
  • Dry cleaners using hazardous materials
  • Live-Work units

rev. 5/15/17


Mailing Address:

Mecklenburg County Code Enforcement
2145 Suttle Avenue
Charlotte, NC 28208

Office Location:

2145 Suttle Avenue
NC 28208


Hours: Mon-Fri 8 a.m - 5 p.m.


Customer Service