ADUs are allowed in East WindsorTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for East Windsor, CT
Is your property eligible for an ADU?
# of Properties
4,097
Owner-occupied
73%
Zoning districts
16
Avg Home Value
$218,179
Median Lot Size
0.59 acres
Avg Income
$103,946
Residential Types:
4,097 housing units
Single Family
66%
2-3 Family
4%
Apts (4+ units)
1%
Condos
19%
Other
11%
Zoning Districts:
5,085 parcels · 16 districts
A-1
28%(1,417)
R-3
22%(1,125)
MFDD
12%(633)
R-2
8%(401)
Other
30%(1,509)
ADU Rules
What can you build in East Windsor, CT?
East Windsor, CT follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size is the lesser of 900 sq ft or 35% of the primary dwelling’s above-ground floor area; note: no maximum if entirely within the basement (exception not encoded).
Detached ADU Size Limits
- –Maximum detached ADU size is 35% of the primary dwelling’s above-ground floor area.
- –Maximum detached ADU size of 900 sq ft.
Max Units
- –1 ADU per parcel (single-family)
Owner Occupancy
- –Owner-occupancy required for the primary dwelling or ADU
Parking
- –Total 3 parking spaces required on the lot (1 per ADU + 2 for the primary dwelling); new driveway curb cuts not permitted; reductions/deferrals possible per Sec. 601.4 (shared-use up to 25% or temporary up to 35%) at the Commission's discretion
Rental Restrictions
- –Minimum rental term of 90 days; no ADU may be rented for less than 90 days (prohibits short-term/vacation rentals)
ADU State Law
What can you build in Connecticut?
- –Connecticut Public Act 21-29 (now CGS § 8-2o) established statewide ADU rules.
- –115 municipalities opted out of the state ADU provisions. In those towns, ADUs may still be allowed, but they are regulated solely under local zoning bylaws.
- –54 municipalities did not opt out and are subject to the state's default ADU standards. Local bylaws in these towns must allow at least the minimums required by state law.
- –At least one accessory apartment must be allowed as of right on any lot with a single-family home.
- –Towns must allow an ADU to be at least the lesser of 1,000 sq ft or 30% of the principal dwelling's Net Floor Area.
- –Setbacks, lot size, building frontage, lot coverage, height, and design requirements cannot be more restrictive than those applied to the principal dwelling.
- –Only one parking space can be required per ADU.
- –A passageway between units
- –A separate exterior entrance (unless required by code)
- –A relationship (e.g. familial or employment) between occupants
- –Age minimums for ADU tenants
- –Separate utility billing
- –Periodic permit renewals
- –Owner-occupancy is not required under state law, but towns may impose it.
- –Towns may regulate short-term rentals.
- –Requirements for wells or private sewerage systems still apply, but approval cannot be unreasonably withheld.
- –Towns may not condition ADU approval on fixing unrelated nonconformities on the lot.
- –No new utility connection fees may be charged unless the ADU is built with a new principal dwelling.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Connecticut municipalities
Rules change at the town line. Check the municipality your property is actually in.
Capitol County