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Accessory Structures

How New Milford Handles Accessory Structures: A Practical Guide

By CityRuleLookup Editorial Team

New Milford maintains 37 local ordinances across all categories, and 3 of those deal specifically with accessory structures. Here is a breakdown of what the city actually requires, what is prohibited, and where New Milford falls on the strict-to-permissive spectrum compared to other cities.

Garage Conversions

Converting a garage to living space in New Milford requires a building permit and zoning review for parking, egress and dwelling-unit standards; converting to a separate unit triggers ADU rules.

Key details: Permit: Building permit required. Parking: Replacement may be required. If Separate Unit: ADU rules apply. Authority: Building / zoning.

Contact your local code enforcement office for specific penalty information.

ADU Rules

Connecticut's 2021 zoning reform (PA 21-29) directs zoning towns to allow accessory dwelling units, though towns could opt out of the as-of-right default. New Milford permits ADUs under its zoning regulations subject to size and parking standards.

Key details: State Policy: PA 21-29 (encourages ADUs). Regulated Under: New Milford zoning. Typical Conditions: Size cap, parking. Authority: Planning & Zoning.

Contact your local code enforcement office for specific penalty information.

Shed Rules

Sheds in New Milford must meet zoning setback rules for accessory structures. Under the Connecticut State Building Code, a building permit is generally required for accessory structures over 200 square feet or with permanent footings.

Key details: Permit Threshold: Over 200 sq ft. Setbacks: Per zoning. Code Basis: CT State Building Code. Authority: Building / zoning.

Contact your local code enforcement office for specific penalty information.

The Bottom Line

New Milford's accessory structures rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming New Milford is broadly strict or permissive.

All of the above reflects New Milford's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.