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Zoning Guide

Ansonia Zoning & Land Use Guide

Last updated: Verified:

Key Zoning Facts

Planning Department
City of Ansonia Land Use Department(203) 922-3912
Building Code Edition
2022 Connecticut State Building Code (based on 2021 IBC as amended)
ADUs Allowed
No
Primary District
AA — Residential AA
Max Height
35 ft

Ansonia Zoning Overview

Ansonia is a city in New Haven County, Connecticut with a population of approximately 18,918 (2020 Census). The city manages land use through its zoning regulations, administered by the Land Use Department and the Planning & Zoning Commission.

Ansonia's zoning code uses letter-based district designations for residential (AA, A, B, GA, MM, BB), commercial (NR, RR, C, SC), and industrial (LI, HI) zones.

Key Zoning Districts

Residential Districts

  • AA — Single-family residential, largest lots
  • A — Single-family residential
  • B — Residential
  • GA — Residential
  • MM — Residential
  • BB — Residential

Commercial Districts

  • NR — Commercial/Business
  • RR — Commercial/Business
  • C — Commercial/Business
  • SC — Shopping Center

Industrial Districts

  • LI — Light Industrial
  • HI — Heavy Industrial

Accessory Dwelling Units (ADUs)

Under Connecticut PA 21-29, Ansonia is required to allow accessory dwelling units. Contact the Land Use Department at (203) 922-3912 for specific local ADU regulations.

Development Process

  1. Zoning Verification — Check your property's zoning using the interactive GIS map or contact Land Use at (203) 922-3912
  2. Application Submission — Submit required applications to the Planning & Zoning Commission
  3. Public Hearing — Required for special permits, variances, and zone changes
  4. Building Permit — Obtain from the Building Department
  5. Inspections — Schedule required inspections during construction

Key Considerations

Disclaimer: This guide provides general information about zoning in Ansonia and should not be relied upon as legal advice. Zoning codes are subject to change. Always verify current regulations with the Ansonia Land Use Department at (203) 922-3912 before making development decisions.

Regulatory Layers That Apply in Ansonia

Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.

Federal

State — Connecticut

  • Building Code: 2022 Connecticut State Building Code (based on 2021 IBC as amended)
  • State ADU Override: Yes (Connecticut PA 21-29)
View Connecticut zoning overview

County — New Haven County

  • Role: County-level geographic reference; Connecticut has no county government.

City / Municipal

The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.

Overlay Districts

No overlay districts identified.

Private Restrictions

  • HOA / CC&Rs common: Yes
  • Check HOA CC&Rs and deed restrictions for additional requirements.

Primary Zoning Districts

AAResidential AA
Min Lot
Varies
Max Height
35 ft
Front Setback
Varies
Side Setback
Varies
Rear Setback
Varies
AResidential A
Min Lot
Varies
Max Height
35 ft
Front Setback
Varies
Side Setback
Varies
Rear Setback
Varies
BResidential B
Min Lot
Varies
Max Height
35 ft
Front Setback
Varies
Side Setback
Varies
Rear Setback
Varies
CCommercial
Min Lot
Varies
Max Height
Varies
Front Setback
Varies
Side Setback
Varies
Rear Setback
Varies
LILight Industrial
Min Lot
Varies
Max Height
Varies
Front Setback
Varies
Side Setback
Varies
Rear Setback
Varies
HIHeavy Industrial
Min Lot
Varies
Max Height
Varies
Front Setback
Varies
Side Setback
Varies
Rear Setback
Varies

ADU Rules in Ansonia

ADUs:Not Allowed

Permit Costs & Timelines

Permit Costs & Timelines

Specific permit fee schedules for Ansonia are available from the local planning department. Fees vary based on project type, scope, and valuation.

Check Ansonia permit fees →

Official Sources

City of Ansonia Land Use Departmentcityofansonia.comOfficial sourceAnsonia Municipal Code (Municode)library.municode.comOfficial sourceAnsonia Interactive GIS Mapansonia.mapxpress.netOfficial sourceAnsonia Zoning Regulations (PDF)cityofansonia.comOfficial source

Frequently Asked Questions

How do I find the zoning for my property in Ansonia?
Use the Ansonia interactive GIS map at ansonia.mapxpress.net or contact the Land Use Department at (203) 922-3912.
What building code does Ansonia follow?
Ansonia follows the Connecticut State Building Code, based on the International Building Code as amended by the state.
Can I build an ADU in Ansonia?
Under Connecticut PA 21-29, municipalities must allow accessory dwelling units. Contact the Land Use Department at (203) 922-3912 for local requirements.