Skip to main content
Municipal GuideConnecticutCity of New Britain · Hartford County

New Britain, Connecticut Building Permit Guide

New Britain permits from Room 404 of City Hall on West Main Street, where a three-division Department of Licenses, Permits and Inspections runs building code enforcement, zoning enforcement and the rest under one roof, with a zoning application before the building permit.

Scope: City of New BritainCode route: Connecticut State Building Code, uniform statewideTrades: State licensed
Authority
Licenses, Permits & Inspections27 West Main Street, Room 404
Structure
Three divisions, one departmentBuilding code, zoning and housing
Sequence
Zoning application firstSite plan review, then the building permit
Portal
Online permitting portalApplications and inspection requests

The City of New Britain's Department of Licenses, Permits and Inspections, in Room 404 of City Hall at 27 West Main Street, issues building, electrical, plumbing, mechanical and sprinkler permits for the Hardware City, a compact industrial city of around 76,000 people 9 miles south-west of the capital. The department is organised as three divisions and an office staff, and its Building Code Enforcement Division administers both the State Building Code and the state's demolition code, which makes it the desk for taking a building down as well as putting one up. The office keeps hours from a quarter past eight to a quarter to four on weekdays, and applications go through the city's online portal.

Zoning is handled inside the same department but ahead of the building permit: the Zoning Enforcement Division runs the zoning application process before a building permit is applied for, for the purpose of site plan review, and then monitors compliance as the development is built. New Britain's downtown is a listed historic district around the City Hall complex, its former factory districts are being converted along the rapid-transit busway, and both bring questions that the zoning application answers before the building division sees the drawings.

This guide covers the City of New Britain. Newington, Berlin, Plainville and Farmington are separate towns with their own building officials, and no county building department exists anywhere in Connecticut.

📜

Three divisions, one room, and zoning goes first. The zoning application is filed with the Zoning Enforcement Division before the building permit, for site plan review, and the same department's Building Code Enforcement Division then takes the permit. Because the department also administers the state demolition code, a demolition is a New Britain permit in its own right, not a line on the building application.

What requires a building permit in New Britain?

Connecticut has one building code and no town may amend it. The State Building Inspector and the Codes and Standards Committee adopt the Connecticut State Building Code jointly under section 29-252 of the General Statutes, with the approval of the Commissioner of Administrative Services, and section 29-253 makes it the building code of every town, city and borough in the state. The edition in force is the 2022 Connecticut State Building Code, which has governed every permit applied for since the first of October 2022 and is built on the 2021 international building, residential, existing building, mechanical, plumbing, energy and swimming pool codes with Connecticut amendments, together with the 2020 National Electrical Code. A 2026 edition built on the 2024 model codes was drafted to take effect in July 2026, but the legislature's Regulation Review Committee declined to approve it that April and its effective date is delayed; the 2022 code governs until a new one is approved, and when the change comes it will turn on the date of the permit application. So New Britain neither adopts nor amends the code — it enforces it through a building official licensed by the state — and the practical questions are the local process, the zoning and wetlands approvals that come before a building permit, and the zoning application that goes in before the building permit.

Short on time to read all of this?

Get a free quote →

Typically permit required

  • Construction, alteration, addition or repair of buildings, with the electrical, mechanical, plumbing, heating, sprinkler and air-conditioning work inside them
  • Demolition, under the state demolition code the department administers
  • A zoning application for site plan review before the building permit
  • New buildings, additions and any structural work, under section 29-263 of the General Statutes
  • Alterations, renovations and repairs beyond the code's ordinary-repair exemption, and any change of use or occupancy
  • Decks, sheds and accessory structures above the code's exemption sizes, retaining walls and swimming pools

Often exempt

  • Ordinary repairs that do not alter structure, egress, fire protection or building systems
  • Painting, papering, tiling, cabinets and similar finish work
  • Ordinary repairs that do not alter structure, egress, fire protection or building systems
  • One-storey detached accessory structures, fences and retaining walls below the code's stated exemption sizes
  • Painting, papering, tiling, carpeting, cabinets, worktops and similar finish work

What the town decides and what the state holds

Locally, what stands out is the zoning application that precedes the building permit, the demolition code the same department administers, and the factory conversions along the busway that raise change-of-use questions.

Connecticut has one State Building Code: the code itself sets which work needs a permit and which is exempt, every town’s building official is licensed by the State Building Inspector, and there is no county government. Connecticut rules

Who handles permitting in New Britain?

The Department of Licenses, Permits and Inspections is the permitting authority inside the city, enforcing the Connecticut State Building Code and the state demolition code through its Building Code Enforcement Division and a state-licensed building official. Its Zoning Enforcement Division runs the zoning application ahead of the permit and staffs the Zoning Board of Appeals, the fire marshal reviews plans alongside the building official, and the Department of Consumer Protection registers and licenses contractors statewide.

Not sure this scope needs a permit?

Get a free quote →
New Britain permitting contact
DetailInformation
DepartmentNew Britain Department of Licenses, Permits and Inspections
Office27 West Main Street, Room 404, New Britain, CT 06051
Phone(860) 826-3383 — Zoning Enforcement (860) 826-3388
PortalThe city’s OpenGov online permitting portal (Licenses & Permits), for applications and inspections
HoursMonday to Friday, 8:15 am to 3:45 pm
Contractor credentialsDepartment of Consumer Protection, statewide

In 2025, building permits issued in New Britain authorized 4 new privately owned housing units, all of them single-family homes, according to the U.S. Census Bureau Building Permits Survey.

Permit types

Residential permits

A New Britain house project files the zoning application first where the footprint or use changes, then the building permit and the trade permits through the portal; the owner applies or authorises the contractor in writing under section 29-263 and the home improvement registration goes on the file. The city's housing stock is dense and often three-family, so a change in the number of units is a zoning question before it is a building one, and the department's housing division handles the landlord and tenant side once the work is done.

Commercial permits

Commercial work in New Britain — the downtown historic district, the hospital, the university campus on the hill and the factory conversions along the busway corridor — files sealed drawings after the zoning application and site plan review, with the fire marshal's review; a listed historic district does not by itself restrict a private owner's work, but the zoning application will raise the design questions the district's status implies. Above the threshold limits the independent structural review applies as everywhere in the state.

What comes before the building permit

In New Britain the flat valley floor and the factory districts bring former industrial ground and its conditions into a commercial file, the downtown's listed historic district shapes what the zoning application asks, and the busway corridor has made change of use from factory to residential the characteristic New Britain project.

Rather talk it over?

Call 1-855-478-4290 →

Connecticut has no general contractor licence: the Department of Consumer Protection registers home improvement and new home construction contractors and licenses the trades. Connecticut rules

New Britain permit costs and fees

New Britain charges building and trade permit fees on the cost of the work under its own schedule ($35 for the first $1,000, $25 for the second and $15 for each $1,000 after that), with the state’s education fee on every building permit, a separate site plan fee for the zoning application, and demolition on its own application.

New Britain fee reference points
ItemFee or rule
Building permitOn the cost of the work: $35 for the first $1,000, $25 for the second, then $15 per $1,000; trade permits on the same scale
State education fee26 cents per $1,000 of declared value, remitted to the state
Zoning applicationSeparate fee, before the building permit
Trade permitsSeparate electrical, plumbing, mechanical and sprinkler fees
Demolition permitSeparate application under the state demolition code, $25 per $1,000 of cost
Threshold-limit reviewThe independent structural consultant's fee, paid by the owner
⚠️

A factory conversion is a change of use first. The characteristic New Britain project turns a former factory into flats. That is a change of occupancy under the code and a change of use under zoning, which means the existing building provisions, the sprinkler and egress questions and the site plan review all arrive together. Priced as a fit-out it is under-priced.

Rather not deal with the building department?

Get a free quote →

Trade permits and who may pull them

Permit required

  • Demolition — a separate permit under the state demolition code the department administers
  • Electrical — permit required (a separate trade permit in many towns), by a licensed electrical contractor of the right class
  • Plumbing and piping — permit required (a separate trade permit in many towns), by a licensed plumbing and piping contractor
  • Heating, cooling and sheet metal — permit required under the mechanical code (a separate trade permit in many towns), by the licensed contractor for that class
  • Fire sprinklers and fire alarms — permit required; sprinkler work by a licensed fire protection sprinkler contractor, alarm wiring by a licensed electrician; the local fire marshal reviews the plans where the Fire Safety Code applies

Typically exempt

  • Stopping leaks, clearing blockages, minor part replacements and portable appliances, as listed in the code's plumbing, gas and mechanical exemptions
  • Minor low-voltage and portable equipment work within the code's electrical exemptions

Trade work needs a permit in every town, often a separate trade permit, and must be done by a tradesperson holding the Department of Consumer Protection licence for that trade. Connecticut rules

How to apply for a New Britain building permit

1. Clear zoning, wetlands and any coastal or health sign-off first

No building permit can be issued until the zoning enforcement officer certifies the work complies. Wetlands permits come from the town's inland wetlands agency, coastal site plan review runs through zoning, and septic approval comes from the local health department.

2. Confirm the code edition by application date

The 2022 Connecticut State Building Code governs until the delayed 2026 edition takes effect; the application date fixes which one applies.

3. Check the contractor's registration or trade licence

Home improvement or new home construction registration from the Department of Consumer Protection, and the occupational licence for each trade.

4. File with the town as owner or authorised agent

Section 29-263 requires the application to come from the owner or the owner's authorised agent; the building official reviews the plans, the fire marshal also reviews them where the Fire Safety Code applies, and the state education fee is charged on the declared construction value.

5. Expect a decision within 30 days

The building official must issue or refuse the permit within 30 days of the application; if the plans do not comply, the refusal must be in writing with reasons. Projects above the threshold limits also need an independent structural review.

6. Call inspections in sequence and close out

Footing to final, trade inspections as the town requires, then the certificate of occupancy under section 29-265.

Want this handled start to finish?

Get a free quote →

Review, corrections and what actually causes delay

The Building Code Enforcement Division reviews for the State Building Code with the fire marshal alongside; the Zoning Enforcement Division reviews the site plan first. What delays a New Britain project is a building permit filed without the zoning application, a conversion filed as a fit-out, and a demolition assumed to ride on the building permit.

Inspections in New Britain

Inspections follow the code's sequence in every town — footing, foundation, framing, rough electrical, plumbing and mechanical, insulation and final — requested from the building official by permit number, with the trades inspected on their own permits. Work that passes final receives a certificate of occupancy under section 29-265, without which a new or altered building may not be occupied; on a project above the threshold limits the architect and engineer of record and the general contractor also sign a statement of professional opinion that the finished work substantially matches the approved plans. New Britain inspections are requested through the portal by permit number, with each trade on its own permit, and the Zoning Enforcement Division monitors compliance with the approved site plan as the work is built; the certificate of occupancy follows the final.

New Britain permit search and official resources

Inspections are where schedules slip.

Get a free quote →

Frequently asked questions

Who issues building permits in New Britain?

The Department of Licenses, Permits and Inspections in Room 404 of City Hall, 27 West Main Street, through the city's online portal. There is no county office.

Does zoning come before the building permit?

Yes. The department's Zoning Enforcement Division runs the zoning application process for site plan review before a building permit is applied for.

Is demolition a separate permit?

Yes. The department administers the state demolition code, and a demolition is permitted on its own application rather than as part of the building permit.

Which code applies?

The 2022 Connecticut State Building Code, uniform statewide. The 2026 edition is delayed and does not yet apply.

Does the downtown historic district restrict my building?

A listing on the national register does not by itself restrict a private owner. The zoning application is where design questions for the district are raised.

Can the city amend the building code?

No. No Connecticut municipality may amend the State Building Code. New Britain controls zoning, fees, licensing and process.

Simplify New Britain permitting with Alliance Permitting

New Britain puts three divisions in one room and asks for the zoning application first. We file the site plan review, the permit and the demolition application in the order the department expects, and price a conversion as the change of use it is.

Ready to break ground in New Britain sooner?

Send us the scope and the parcel. We confirm the review path with the New Britain Department of Licenses, Permits and Inspections, assemble the submittal, file it, and track it through issuance — corrections included.

More Connecticut permitting guides

This guide is provided by Alliance Permitting for general information about New Britain permitting. Requirements, fees, and procedures change; confirm details with the permitting authority before relying on them.