ADUs are allowed in StratfordTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Stratford, CT
Is your property eligible for an ADU?
# of Properties
18,311
Owner-occupied
81%
Zoning districts
20
Avg Home Value
$248,819
Median Lot Size
0.22 acres
Avg Income
$108,534
Residential Types:
18,919 housing units
Single Family
69%
2-3 Family
10%
Apts (4+ units)
6%
Condos
15%
Zoning Districts:
26,417 parcels · 20 districts
RS-1
34%(9,079)
RS-4
29%(7,606)
RM-1
15%(4,018)
RS-3
15%(3,987)
Other
7%(1,727)
ADU Rules
What can you build in Stratford, CT?
Stratford, 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 of 1,000 sq ft for an internal or attached ADU in a single-family home
- –Internal or attached ADU must be no larger than the principal dwelling's floor area
Detached ADU Size Limits
- –Maximum detached ADU size of 1,000 sq ft (exclusive of utility areas) on single-family lots.
Max Units
- –1 ADU max in single-family primary dwelling (attached/internal).
- –1 detached ADU per single-family lot (cannot mix with attached).
- –Overall cap: 1 ADU per lot (either attached/internal or detached).
Owner Occupancy
- –Owner must reside in either the primary or ADU
Parking
- –1 space/ADU; not less than one additional to primary parking; cannot be in required front yard; abutting-property parking within 200 ft may be approved
Rental Restrictions
- –Short- or long-term rooms for rent or a bed-and-breakfast on an ADU are prohibited.
- –If the ADU is approved as an affordable unit, rent must meet CGS §8-30g affordability via a deed restriction and owner must verify tenant income and rent.
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.
Greater Bridgeport County