Ansonia, Connecticut Building Permit Guide

Ansonia’s Land Use/Building Department at 253 Main Street issues building, electrical, plumbing and other construction permits for the whole city, and it enters every building permit through the PermitLink cloud system. The department publishes a fee table effective April 24, 2019 ($15 per $1,000 of construction cost plus the 26-cent state education fee, a $10 processing fee and a $50 certificate of occupancy fee), while the codified fee ordinance still sets $8 per $1,000, so ask which one the department will charge. No permit is issued while property taxes or sewer fees in the owner’s name are unpaid.

The same office runs land use, zoning and blight enforcement, with Nick Behun as Chief Building Inspector. It is open 8:30 a.m. to 4:30 p.m. Monday to Wednesday, until 5:00 p.m. on Thursday and until 1:00 p.m. on Friday, but the inspectors keep short desk hours inside that: the Chief Building Inspector on Monday and Wednesday afternoons from 2:30 to 4:30, and the electrical inspector on Wednesday and Thursday mornings from 8:30 to 10:30. Ansonia is a city of about 19,200 people (Census estimate for 2025) on the Naugatuck River.

What requires a building permit in Ansonia?

Section 6-5 of the Ansonia Code of Ordinances says no one may start excavating for a building, structure or wall, or build, alter, extend, repair, remove, demolish or move any building, structure, foundation or wall, without first filing a written application and getting a permit from the building official. Ordinary repairs are the code’s exception, but the ordinance spells out what they cannot include: cutting away walls or partitions, removing structural beams or supports, changing required exits, or adding, altering or relocating water, sewer, drain, gas, waste or vent piping or electric wiring.

Moving a building has its own rule: under sections 6-3 and 6-4 the owner must first ask the building inspector in writing, giving the present and new locations, the time of the move and how the work will be done. Starting work that needs a zoning permit before the zoning permit is issued carries a fine of $250 for every day the work continues, under a 2024 amendment to section 6-6 that took effect on March 1, 2024.

What the city decides and what the state holds

The Board of Aldermen sets Ansonia’s fee ordinance, the penalties for work without permits and the zoning and wetlands citation fines, and the city chooses its filing system and office hours. The building code itself, the list of work exempt from permits and the licensing of contractors and building officials are state matters, applied the same way in Ansonia as anywhere else in Connecticut.

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

Ansonia building department: who handles permitting

Building, zoning and blight enforcement sit in one department at 253 Main Street. The Chief Building Inspector reviews building plans and inspects construction, the electrical inspector covers wiring, and the Land Use Administrator’s line is the number the city gives for scheduling inspections. Zoning enforcement handles zoning permits and violations, and the Planning and Zoning Commission and Zoning Board of Appeals hear site plans, special permits and variances. The Fire Marshal’s office at 80 Pulaski Highway reviews plans for every new building, addition and renovation except one- and two-family homes, and the Naugatuck Valley Health District handles septic systems and private wells.

Permit types

Residential permits

PermitLink offers three paths: apply for a new permit, return to your documents to pay or add attachments, and view active permits with their inspections and attachments. Registration is free, the site needs pop-ups allowed in the browser, and the city asks applicants to read the Building Department page for the documents each job needs before they apply. Ansonia’s own ordinance shows the residential permits it expects: construction, alterations and repairs of buildings and structures, re-roofing and residing, in-ground and above-ground pools, wood stoves, and demolition. If the house is on a septic system or private well, the Naugatuck Valley Health District must approve additions, accessory structures and changes of use before the building permit.

Building or remodeling a home here? Alliance handles home building permits, so the crew isn't waiting on the counter.

Commercial permits

Commercial jobs add the Fire Marshal, who reviews the plans for every new building, addition and renovation other than a one- or two-family home. The city’s fee ordinance prices that Fire Safety Code review by floor area from $50 for less than 2,000 sq ft to $1,000 for 50,000 sq ft or more, with separate fees for alarm, sprinkler and kitchen hood plans when they are not part of the main submission. Before a certificate of occupancy, the Fire Marshal’s checklist asks for any state modification approvals on file, an electrician’s certificate that emergency lights ran their 90-minute test, sprinkler material and test certificates with a witnessed flow test, and an NFPA 72 certificate with a 100% device test for the fire alarm. Opening a business without construction, or transferring an apartment building, also needs a Fire Marshal inspection with its own fee.

For tenant improvements and new commercial builds, Alliance handles commercial permit filing through issuance. More on this: commercial building permits explained.

What comes before the building permit

Zoning approval comes first for new buildings, additions and changes of use, and the department posts the 2025 Zoning Regulations with site plan, special permit and ZBA application forms. Work near wetlands or watercourses goes to the city’s inland wetlands agent, and both zoning and wetlands violations draw $150 citations under section 6-9. A septic or well lot needs Naugatuck Valley Health District approval, and taxes and sewer fees must be paid up before any permit is issued.

Ansonia permit costs and fees

The fee schedule the department links from its page is a table effective April 24, 2019. It prices each $1,000 of construction cost at $15, shows the state education fee at 26 cents per $1,000 as its own column, and adds a $10 processing fee and a $50 certificate of occupancy fee to every row, so the totals already include the education fee.

The codified ordinance tells a different story. Section 6-5 of the Code of Ordinances, last amended on February 9, 2016 and still in the version posted for September 2026, sets an $8 process fee and $8 per $1,000, 50 cents per square for re-roofing or residing, and certificates of occupancy from $5 per dwelling unit. The ordinance is the adopted text; the 2019 schedule is the one the Building Department publishes, and neither the table nor any posted Board of Aldermen record shows a vote adopting it.

Worked example, both ways. For a $20,000 kitchen remodel, the department’s 2019 table ($19,001 to $20,000 row) gives $300 permit fee, $5.20 education fee, $10 processing and $50 for the certificate, a total of $365.20. Section 6-5 gives an $8 process fee plus $8 for the first $1,000 and $8 for each of the other 19, $168, and the state education fee of 26 cents per $1,000 adds $5.20, for $173.20. Ask the department which figure it will invoice.

Trade permits and who may pull them

Ansonia has its own electrical inspector, with Wednesday and Thursday morning desk hours on (203) 922-3916, and electrical, plumbing and heating permits go through the same department and PermitLink account as the building permit. Contractors need the Department of Consumer Protection license for their trade; home improvement contractors register with DCP, and builders of new homes hold a DCP new home construction registration.

How to apply for an Ansonia building permit

Review, corrections and what causes delay

The building official has 30 days from the date of application to issue or refuse a permit under state law. In Ansonia the usual hold-ups are an unpaid tax or sewer bill, a missing zoning or health district approval, a commercial job still waiting for the Fire Marshal’s written plan approval, and a browser that blocks PermitLink’s pop-ups. The Chief Building Inspector is at the desk only on Monday and Wednesday afternoons, so plan questions are best timed for those hours. The city enters permits through PermitLink; state law lets an applicant file in person, by mail or by email in the manner the building official sets, so call (203) 736-5960 if you cannot use the online system.

Inspections in Ansonia

Inspections are done as requested, and the department notes that they take place outside the inspectors’ desk hours. Call the Land Use Administrator on (203) 922-3912 to schedule one, or the electrical inspector for wiring questions. Each active permit in PermitLink shows its inspections and attachments, so you can follow progress online. Under the code, extra inspections caused by violations carry an additional fee.

On commercial and multi-family work the Fire Marshal’s certificate of occupancy inspection is a separate step: its office witnesses emergency lighting, sprinkler, standpipe and fire alarm tests and checks extinguisher type and placement before the city’s certificate is issued. The department’s 2019 table builds a $50 certificate of occupancy fee into every permit total; the codified ordinance sets $5 per dwelling unit.

Ansonia permit search and official resources

PermitLink’s guest option lets anyone view permit information without registering, and the active-permit view lists inspections and attachments for each job. For older paper files, ask the Land Use/Building Department at 253 Main Street. Ansonia sits on the Naugatuck River and takes part in FEMA’s flood insurance program, with flood maps dated May 16, 2017, and the zoning, wetlands and building reviews described above all apply to riverside lots in the mapped flood zones.

• Ansonia Land Use/Building Department
• Ansonia PermitLink online permits
• Building fee schedule, effective April 24, 2019
• Ansonia Code of Ordinances, chapter 6: buildings
• City of Ansonia Zoning Regulations 2025
• Site plan application
• Office of the Fire Marshal
• Fire Marshal fees, code section 9-28.1
• Fire Marshal requirements for a certificate of occupancy inspection
• Naugatuck Valley Health District: septic and wells
• FEMA Community Status Book for Connecticut
• Office of the State Building Inspector
• Connecticut Department of Consumer Protection

Ansonia building permit FAQ

Who issues building permits in Ansonia?

The City’s Land Use/Building Department at 253 Main Street, (203) 736-5960. Nick Behun is the Chief Building Inspector.

How much does a building permit cost in Ansonia?

The department’s 2019 table charges $15 per $1,000 of cost, plus 26 cents per $1,000 in state education fee, $10 processing and $50 for the certificate of occupancy, so a $20,000 job totals $365.20. The codified ordinance (section 6-5) still sets $8 per $1,000 plus an $8 process fee, $173.20 for the same job with the education fee, so ask the department which applies.

Can I get a permit if I owe taxes?

No. All taxes and sewer fees in the property owner’s name must be paid before the city issues any permit.

How do I schedule an inspection?

Call the Land Use Administrator at (203) 922-3912. Inspections are done as requested, outside the inspectors’ desk hours.

When can I reach the building inspector?

The Chief Building Inspector’s desk hours are Monday and Wednesday from 2:30 to 4:30 p.m., on (203) 922-3915.

What happens if I start work without a permit?

The building code ordinance sets a $250 administrative fee for starting permit work early, and work that needed a zoning permit draws $250 a day.

Who approves septic and well work?

The Naugatuck Valley Health District at 98 Bank Street in Seymour, (203) 881-3255, which also approves additions and accessory structures on septic lots.

Simplify Ansonia permitting with Alliance Permitting

Alliance Permitting is a permit documentation and submission company in Connecticut. We prepare your paperwork, file it correctly and coordinate with the permitting authority through issuance. We are not a contractor and we do not perform licensed plan review or inspections; that work stays with your licensed team and the jurisdiction.

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