WELCOME TO GREENWICH CONNECTICUT
Search
Collage of Greenwich sights, link to Homepage.
Building & Trade Permits
When Are Building Permits Required?

Building and Trade Permits

Trades permits are separate permits from the building permit and are for electrical, plumbing and HAVC (mechanical) work. After a building permit is filed and there is trade work involved, separate trade permits shall be filed under the building permit for each trade. When work involves only trade work and no building permit is required the trade permit is filed as a stand-alone permit.

Building permits are required for all of the following:

  • Additions to existing structures.
  • Interior alterations to kitchens, bathrooms,
    basements and attics, etc.
  • Exterior alterations
    • Roof shingle replacement exceeding 25% of existing roof area
    • Replacement of wall siding: stucco, shingles etc.
    • Installation of replacement windows
  • Demolish or relocate a building.
  • Change the occupancy classification of a building
  • Move a lot line that affects an existing structure
  • Outdoor Swimming pools (in-ground & above ground)
  • Outdoor Spas, hot tubs, etc.
  • Tennis courts
  • Signs
  • Special events (Tents, fairs, carnivals, etc.;)
  • Exterior decks
  • Structures over 6'-0" in height including:
    • Fences
    • Walls (free standing)
      Retaining Walls over 3 feet in height

When required:

Permits are required when any owner or authorized agent intends to construct, enlarge, alter, repair, move, demolish or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical or plumbing system, the installation of which is regulated by the Ct State Building Code (including standards referenced therein), or to cause any such work to be done, shall first make application to the building official and obtain the required permit(s).

Work exempt from building and/or trade permits:

Permits shall not be required for the following. Exemption from permit requirements of the Ct State Building Code or referenced standards shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of the codes or any other laws or ordinances of this jurisdiction.

Building:

  • One-story detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed 200 square feet. Note: A Zoning permit is still required for any accessory building over 6 feet in height regardless of the floor area. This permit is issued by the Zoning Enforcement Office.
  • Fences not over 6 feet in height.
  • Retaining walls that are not over 3 feet in height, measured from finished grade at the bottom of the wall to finished grade at the top of the wall, unless supporting a surcharge or impounding Class I, II or III-A liquids.
  • Water tanks supported directly on grade if the capacity does not exceed 5,000 gallons and ration of height to diameter or width does not exceed 2 to 1.
  • Sidewalks, driveways and on-grade concrete or masonry patios not more than 30 inches above adjacent grade and not over any basement or story below. 
  • Painting, papering, tiling, carpeting, cabinets, countertops and similar finish work not involving structural changes or alterations.
  • Temporary motion picture, television and theater stage sets, and scenery.
  • Prefabricated swimming pools accessory to 1 and 2 family dwellings that are equal to or less than 24 inches deep.
  • Prefabricated swimming pools accessory to a Use Group R-3 occupancy, as applicable in Section 101.2, CSBC (2003 IBC), which are less than 24 inches deep, do not exceed 5,000-gallon capacity and are installed entirely above ground.
  • Shade cloth structures constructed for nursery or agricultural purposes and not including service systems.
  • Swings, non-habitable tree houses, and other playground equipment.
  • Window awnings supported by an exterior wall which do not project more than 54 inches from the exterior wall and which do not require additional support.
  • Movable cases, counters and partitions not over 5 feet 9 inches in height and not containing any electrical, plumbing or mechanical equipment.
  • Decks not exceeding 200 square feet in area, that are not more than 30 inches above grade at any point, are not attached to a dwelling and do not serve the exit door required by Section R311.4 of the CT State Building Code.
  • Grandstands or bleachers providing seating for fewer than 100 persons.
  • Repairs that are limited to 25 percent of roof covering and building siding within one calendar year.

Electrical:
  • Minor repairs and maintenance: A permit shall not be required for minor repair work, including replacement of lamps and fuses or the connection of approved portable electrical equipment to approved permanently installed receptacles.
  • Listed cord-and-plug connected temporary decorative lighting.
  • Reinstallation of attachment plug receptacles and devices but not the outlets, therefore.
  • Replacement of branch circuit overcurrent devices of the required capacity in the same location. 
  • Electrical wiring devices, appliances, apparatus or equipment operating at less than 25 volts and not capable of supplying more than 50 watts of energy. 
  • Electrical equipment used solely for radio and television transmission. Equipment and wiring for power supply and for the installation of towers and antennas are NOT exempt from electrical permits.
  • Installation of any temporary system required for the testing or servicing of electrical equipment or apparatus.

Gas:

  • Portable heating appliances with a self-contained fuel supply.
  • Portable ventilation appliances.
  • Portable cooling units.
  • Steam, hot or chilled water piping contained within any heating or cooling equipment regulated by Chapters 18 to 24 of the CT State Building Code.
  • Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.
  • Portable evaporative coolers.
  • Self-contained refrigerant systems containing 10 pounds or less of refrigerant or that are actuated by motors of 1 horsepower or less.
  • Portable fuel cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.

Mechanical:

  • Portable heating appliances with a self-contained fuel supply.
  • Portable ventilation appliances.
  • Portable cooling units.
  • Steam, hot or chilled water piping contained within any heating or cooling equipment regulated by Chapters 18 to 24 of the CT State Building Code.
  • Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.
  • Portable evaporative coolers.
  • Self-contained refrigerant systems containing 10 pounds or less of refrigerant or that are actuated by motors of 1 horsepower or less.
  • Portable fuel cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.

Plumbing:

  • The stopping of leaks in drains, water, soil, waste or vent pipes; provided if any concealed trap, drainpipe, water, soil, waste or vent pipe becomes defective and it becomes necessary to remove and replace the same with new material, such work shall be considered as new work and a permit shall be obtained and inspection made as required by the CT State Building Code.
  • The clearing of stoppages or the repairing of leaks in pipes, valves or fixtures, and the removal and reinstallation of water closets, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes or fixtures.
News & Department Info
· Frequently Asked Questions
Board Information
· Planning & Zoning Board of Appeals
· Building Code Board of Standards &
 
Appeals
Services
Permits
Building Inspection
· Information & Hours
· Forms
· Inspections
· Certificates of Occupancy
· Code Questions & Info
· Archives
Building Construction & Maintenance
· Information & Hours
Engineering

· Information & Hours
· Plans, Projects & Details 
· Traffic Signs, Signals & Regulations
· Stormwater Information
· Flood & Erosion Control Board  
· Standard Construction Details 

Highway
· Information & Hours
· Leaf Collection
· Snow Removal
· Animal Disposal
· Call Before You Dig
Sewer
· Information & Hours
· Private Inflow Removal
· Smoke Testing Program
· Sewer Extension Projects
Waste Disposal
· Information & Hours
· Trash
· Recycling
· Hazardous Waste Day
Important Links
· Report Tree Problems
· Report Street Light Problems
· Contractor Payments
Related Links
· Police Dept., Traffic Section
· Parking Services Department
· CT Dept. of Transportation
Featured Sections of Our Site
More
design image
Community Videos
View-or-Pay-Taxes
Greenwich Water Supply & Conservation
Greenwich Community Television
The Greenwich Community Covenant
EnergizeCT
 
 
 
 
 


 
Town Hall - 101 Field Point Road, Greenwich, CT 06830. Phone: (203) 622-7700. Copyright © , Town of Greenwich. All rights reserved.