Residential Remodels & Additions

Planning to add an addition to your home? Before you begin, you will need to acquire permits and submit plans.

Listed below, are the types of permits required to add an addition to a residential home, depending on the complexity of the project:

  • Residential Building Permit for construction of architectural and structural elements (if applicable)
  • Electrical Permit for all electrical installations
  • Plumbing Permit for all installations of plumbing and gas piping systems.
  • Mechanical Permit for the installations, alterations or extensions of new duct work; or the addition or extension of a mechanical heating or cooling system.
  • Engineered Foundation for additions

Permit Process:

Application Submittal

Complete an online residential remodel application online at with the following required construction documents in PDF format :

  • An official survey, scaled plat with Impervious Cover Calculations or Impervious Cover Calculations Worksheet  (for additions)
  • A site plan indicating location of addition. Must include dimensions, impervious cover calculation, setback lines, drainage easements, and Public Utility Easements.
  • Engineered Stamped Foundation Plan (for additions or foundation repair)
  • Architectural scale drawing of the new structure which shows the following:
    • Floor plan which indicates:
      • Dimensions & identification of all rooms & spaces
      • Location, size and types of all windows & doors
      • Smoke and Carbon Monoxide detectors locations
    • Roof framing plans indicating all beams, rafters, trusses & columns
    • Floor framing plans indicating all joists, beams & columns
    • If trusses are being used, truss package shall be submitted
    • Typical exterior & interior wall sections
    • Exterior elevations showing the front, right, left & rear of structure
    • Architectural drawing of any stairs, railings, interior walls, fireplaces, rock walls & retaining walls
    • Electrical riser diagram, load calculations & panel location
    • Plumbing riser diagram, and plumbing fixtures listed
    • HVAC diagram and calculations
    • 2021 International Energy Code Compliance report. Compliance can be shown by using the REScheck form that is available at
    • A clear distinction between existing construction, alterations to existing, and new work. Separate ‘existing’ and ‘proposed’ within the plans will make the distinction easier to review
    • If the address is located in the downtown or old town overlay – a Certificate of Appropriateness may be required.

Plan Review

Residential Plan Review is fifteen (15) business days to twenty (20) business days from the time your application is accepted. Once the permit is issued you will receive notification via email from and the amount of the permit.

Permit Approval

Once the permit is issued you will receive notification via email from and the amount of the permit. The Trades (if applicable to the project) will obtain Trade Permits  under the projects main permit number.

After all fees are paid and all applicable trades (mechanical, electrical, plumbing) have obtained permits, then construction may begin and inspections can be requested.


All inspections must be requested online at  before 3:00PM for the next business day in most cases.  (Required inspections will be listed in the project/permit files under the requirements tab)


The cost for permits varies depending upon each project.

For an overview of permit fees, see: Construction Fee Schedule

Important Links:

Fee schedule

Code of Ordinances related to Building and Construction

Unified Development Code

Chapter 6  of the Unified Development Code – Residential Dimensional and Design Standards

Chapter 6 of the Unified Development Code – Residential Single Family District

Chapter 8 of the Unified Development Code – Residential Fences

Chapter 8 of the Unified Development Code – Residential Landscaping Requirements 

Chapter 9 of the Unified Development Code – Off Street Parking Requirements

Chapter 11 of the Unified Development Code  – Impervious Cover Requirements

Impervious Cover FAQ

Chapter 12 of the Unified Development Code – Driveway and Sidewalk Requirements

Electrical Code Ordinance

International Building Code

Energy Code Compliance aka RES Check

Adopted Building Codes 

How long is a permit valid?

Any permit expires 6 months after the last approved inspected activity on the site.

Additional information needed specific to your project?

Click here to submit an inquiry specific to your project

General Permitting Questions:

For any questions, please contact


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