ADU rules for Stafford
Accessory Dwelling Unit (ADU) Rules for Stafford, CT
Is your property eligible for an ADU?
# of Properties
4,220
Owner-occupied
75%
Zoning districts
15
Avg Home Value
$133,645
Median Lot Size
1.00 acres
Avg Income
$100,489
Residential Types:
4,220 housing units
Single Family
83%
2-3 Family
5%
Apts (4+ units)
2%
Other
10%
Zoning Districts:
5,960 parcels · 15 districts
AA
37%(2,203)
AAA
26%(1,561)
B
17%(991)
C
6%(363)
Other
14%(842)
ADU Rules
What can you build in Stafford, CT?
Stafford, CT follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
Max Units
- –1 in-law apartment per single-family lot (in the same building as the principal dwelling).
- –Detached ADUs: 0 per lot.
- –Duplex/multifamily: none specified.
Owner Occupancy
- –Principal dwelling must be owner-occupied; ADU occupant must be family or caregiver.
Parking
- –2 spaces per dwelling unit (no ADU-specific standard); Commission may waive up to 50% of required parking and allow off-site parking; CBD exemptions from off-street parking for new construction/use changes, subject to Commission review.
Rental Restrictions
- –Detached ADU cannot be used as a residence; renting it is prohibited.
- –In-law apartment limited to owner-occupant's immediate family or caregiver; unrelated rentals prohibited.
- –If rented, a deed restriction requires rent at or below affordable housing levels under CGS 8-39g.
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