| Alarm Permit | Automatic burgular and/or fire alarm systems | Police Department | Police Headquarters |
| Barber/Beauty/Nail Salon License | Barbershops, beauty salons and nail salons | Central Connecticut Health District | Town Hall |
| Blasting Permit | Use of explosives | Fire Marshal's Office | Town Hall |
| Boat Launching Permit | Wethersfield Cove boat launch | Parks & Recreation Department | Cove Boat Launch |
| Building Permit | Building, electrical, heating and plumbing work | Building Department | Town Hall |
| Certificate of Occupancy | Occupation or use of building or structure | Building Department | Town Hall |
| Contractor Licensing and Bonding | License, bond and insurance required before any excavation work within town right-of-way | Engineering Division | Town Hall |
| Cove Park Parking Permit | Overnight parking | Parks & Recreation Department | Cove Boat Launch |
| Dog License | Owning or keeping a dog aged six months or older | Town Clerk's Office | Town Hall |
| Erosion Control Certification | Land development where disturbed area is greater than 1/2 acre | Engineering Division | Town Hall |
| Excavation Permit | Excavation work within town right-of-way | Engineering Division | Town Hall |
| Fire Alarm Permit | Fire alarm installation | Fire Marshal's Office | Town Hall |
| Fishing License | Fishing | Town Clerk's Office | Town Hall |
| Flood Control Certification | Fill placement in flood plain | Engineering Division | Town Hall |
| Food Establishment Licence | Restaurants, grocery stores, bars, taverns, schools, private clubs, itinerant vendors, seasonal and temporary operations | Central Connecticut Health District | Town Hall |
| Food Service License, Temporary | Conducting a temporary event | Central Connecticut Health District | Town Hall |
| Historic District Certificate of Appropriateness | Construction, alteration or demolition of structures in the Historic District | Building Department | Town Hall |
| Hunting License | Firearms hunting, trapping | Town Clerk's Office | Town Hall |
| Inoperable Vehicle Permit | Unenclosed parking of an inoperable vehicle | Building Department | Town Hall |
| Library Card | Borrowing books and other materials | Wethersfield Public Library | Library |
| Marriage License | Marriages | Town Clerk's Office | Town Hall |
| Massage Establishment Permit | Operation of a massage establishment | Police Department | Police Headquarters |
| Motel License | Motels, rooming houses, hotels and bed-and-breakfast operations | Central Connecticut Health District | Town Hall |
| Open Burning Permit | Outdoor fires | Fire Marshal's Office | Town Hall |
| Parks and Recreation Facility Use Permit | Use of town parks, fields and facilities | Parks & Recreation Department | Town Hall |
| Peddling and Soliciting License | Selling, offering for sale or soliciting orders for any goods, wares or merchandise | Police Department | Police Headquarters |
| Pistol Permit | Local (temporary state) permit to carry pistols and revolvers | Police Department | Police Headquarters |
| Pool License | Pools at schools, health clubs, motels/hotels, apartments, condominiums and private clubs | Central Connecticut Health District | Town Hall |
| Transfer Station Permit | Refuse disposal | Physical Services | Transfer Station |
| Wetlands Permit | Construction or filling in wetland or floodplain | Engineering Division | Town Hall |
| Zoning Permit | Regulated use of buildings, structures and land | Building Department | Town Hall |
| Zoning Variance | Exception to or variance from zoning regulations | Building Department | Town Hall |