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Accessory Dwelling Units (ADUs) in Connecticut
Accessory Dwelling Units (ADUs) in Connecticut
Accessory Dwelling Units (ADUs) in Connecticut
Accessory Dwelling Units (ADUs) in Connecticut
A smarter way to add living space—without moving.
A smarter way to add living space—without moving.
A smarter way to add living space—without moving.
A smarter way to add living space—without moving.
FEELING STUCK?
Feeling stuck by rising home prices?
Feeling stuck by rising home prices?
Feeling stuck by rising home prices?
Casali Companies designs and builds high-quality Accessory Dwelling Units (ADUs) across Connecticut—helping homeowners create flexible living space for family, guests, or rental income, without the cost and stress of buying a new home.
We guide you through zoning, permitting, and construction with clarity and confidence—so you can make smart, long-term decisions for your property.
An ADU allows you to expand your home’s potential while staying exactly where you are—adding independence, privacy, and flexibility on your existing property.
An ADU is a great fit if you are:
An ADU is a great fit if you are:
An ADU is a great fit if you are:
An ADU is a great fit if you are:
Planning for aging parents
Planning for aging parents
Planning for aging parents
Planning for aging parents
Need space for adult children
Need space for adult children
Need space for adult children
Need space for adult children
Hosting guests comfortably
Hosting guests comfortably
Hosting guests comfortably
Hosting guests comfortably
Looking for long-term rental income
Looking for long-term rental income
Looking for long-term rental income
Looking for long-term rental income
We intentionally limit the number of ADUs we build each year so every project receives the attention it deserves.
We intentionally limit the number of ADUs we build each year so every project receives the attention it deserves.
We intentionally limit the number of ADUs we build each year so every project receives the attention it deserves.
WHAT IS AN ADU?
What Is an Accessory Dwelling Unit (ADU)?
What Is an Accessory Dwelling Unit (ADU)?
What Is an Accessory Dwelling Unit (ADU)?
An Accessory Dwelling Unit (ADU) is a fully self-contained living space located on the same property as a primary home. It includes its own kitchen, bathroom, living area, and private entrance—designed to function as an independent residence.
ADUs are commonly used for family members, guests, or long-term rental income, while preserving privacy for both the main home and the ADU.
Detached backyard cottage
Detached backyard cottage
Detached backyard cottage
Garage or basement conversion
Garage or basement conversion
Garage or basement conversion
Attached ADU addition
Attached ADU addition
Attached ADU addition
WHY
Why Connecticut Homeowners Are Choosing ADUs
Insights, Ideas & Expert Guidance for Your Next Home Project
Why Connecticut Homeowners Are Choosing ADUs
Insights, Ideas & Expert Guidance for Your Next Home Project
With home prices rising and limited inventory across Connecticut, many homeowners are looking for smarter ways to create space—without leaving the communities they love. Accessory Dwelling Units (ADUs) offer a flexible, long-term solution that adapts to changing family needs while maximizing the value of an existing property.
Rising Home Prices
Add living space without buying a new home or competing in today’s market.
Rising Home Prices
Add living space without buying a new home or competing in today’s market.
Rising Home Prices
Add living space without buying a new home or competing in today’s market.
Rising Home Prices
Add living space without buying a new home or competing in today’s market.
Multigenerational Living
Create privacy and independence for parents, adult children, or long-term guests.
Multigenerational Living
Create privacy and independence for parents, adult children, or long-term guests.
Multigenerational Living
Create privacy and independence for parents, adult children, or long-term guests.
Multigenerational Living
Create privacy and independence for parents, adult children, or long-term guests.
Future-Proofing
Plan ahead for aging in place, lifestyle changes, or future downsizing options.
Future-Proofing
Plan ahead for aging in place, lifestyle changes, or future downsizing options.
Future-Proofing
Plan ahead for aging in place, lifestyle changes, or future downsizing options.
Future-Proofing
Plan ahead for aging in place, lifestyle changes, or future downsizing options.
Stay Local
Remain in the neighborhood you love while adapting your home to your needs.
Stay Local
Remain in the neighborhood you love while adapting your home to your needs.
Stay Local
Remain in the neighborhood you love while adapting your home to your needs.
Stay Local
Remain in the neighborhood you love while adapting your home to your needs.
Rental Income
Create long-term income potential with a fully permitted ADU—whether as a long-term rental, guest suite, or future flexibility for changing needs.
Rental Income
Create long-term income potential with a fully permitted ADU—whether as a long-term rental, guest suite, or future flexibility for changing needs.
Rental Income
Create long-term income potential with a fully permitted ADU—whether as a long-term rental, guest suite, or future flexibility for changing needs.
Rental Income
Create long-term income potential with a fully permitted ADU—whether as a long-term rental, guest suite, or future flexibility for changing needs.
COMPARISON
Moving vs ADU
Moving vs ADU
Moving vs ADU
Moving vs ADU
Moving
Moving
Moving
Moving
Higher home prices
Competing in today’s market often means paying a premium for less space.
Higher home prices
Competing in today’s market often means paying a premium for less space.
Higher home prices
Competing in today’s market often means paying a premium for less space.
Higher home prices
Competing in today’s market often means paying a premium for less space.
Higher interest rates
New mortgages can significantly increase monthly costs and long-term expenses.
Higher interest rates
New mortgages can significantly increase monthly costs and long-term expenses.
Higher interest rates
New mortgages can significantly increase monthly costs and long-term expenses.
Higher interest rates
New mortgages can significantly increase monthly costs and long-term expenses.
Closing costs
Agent fees, taxes, and moving expenses add up quickly.
Closing costs
Agent fees, taxes, and moving expenses add up quickly.
Closing costs
Agent fees, taxes, and moving expenses add up quickly.
Closing costs
Agent fees, taxes, and moving expenses add up quickly.
Leaving your community
Relocating often means giving up the neighborhood, schools, and routines you value.
Leaving your community
Relocating often means giving up the neighborhood, schools, and routines you value.
Leaving your community
Relocating often means giving up the neighborhood, schools, and routines you value.
Leaving your community
Relocating often means giving up the neighborhood, schools, and routines you value.
Building an ADU
Building an ADU
Building an ADU
Building an ADU
Independent living space
Create a private, self-contained unit without disrupting your main home.
Independent living space
Create a private, self-contained unit without disrupting your main home.
Independent living space
Create a private, self-contained unit without disrupting your main home.
Independent living space
Create a private, self-contained unit without disrupting your main home.
Long-term flexibility
Adapt the space over time—for family, guests, or future needs.
Long-term flexibility
Adapt the space over time—for family, guests, or future needs.
Long-term flexibility
Adapt the space over time—for family, guests, or future needs.
Long-term flexibility
Adapt the space over time—for family, guests, or future needs.
Lower total investment
Expand your living options without purchasing an entirely new property.
Lower total investment
Expand your living options without purchasing an entirely new property.
Lower total investment
Expand your living options without purchasing an entirely new property.
Lower total investment
Expand your living options without purchasing an entirely new property.
No relocation stress
Stay put and improve the property you already own and love.
No relocation stress
Stay put and improve the property you already own and love.
No relocation stress
Stay put and improve the property you already own and love.
No relocation stress
Stay put and improve the property you already own and love.
Our ADU Design-Build Process
Our ADU Design-Build Process
Our ADU Design-Build Process
Feasibility & Zoning Review
Confirm what’s allowed on your property
Feasibility & Zoning Review
Confirm what’s allowed on your property
Feasibility & Zoning Review
Confirm what’s allowed on your property
Feasibility & Zoning Review
Confirm what’s allowed on your property
Design & Planning
Create a functional, code-compliant layout
Design & Planning
Create a functional, code-compliant layout
Design & Planning
Create a functional, code-compliant layout
Design & Planning
Create a functional, code-compliant layout
Permits & Approvals
Coordinate submissions and town approvals
Permits & Approvals
Coordinate submissions and town approvals
Permits & Approvals
Coordinate submissions and town approvals
Permits & Approvals
Coordinate submissions and town approvals
Construction & Finishes
Build and complete your ADU
Construction & Finishes
Build and complete your ADU
Construction & Finishes
Build and complete your ADU
Construction & Finishes
Build and complete your ADU
COST EXPECTATIONS
What Does an ADU Cost in Connecticut?
$150,000 – $350,000+
Most Connecticut ADU projects fall within this range, but every property is different. We provide clear cost guidance early in the process so there are no surprises later.
COST EXPECTATIONS
What Does an ADU Cost in Connecticut?
$150,000 – $350,000+
Most Connecticut ADU projects fall within this range, but every property is different. We provide clear cost guidance early in the process so there are no surprises later.
COST EXPECTATIONS
What Does an ADU Cost in Connecticut?
$150,000 – $350,000+
Most Connecticut ADU projects fall within this range, but every property is different. We provide clear cost guidance early in the process so there are no surprises later.
COST EXPECTATIONS
What Does an ADU Cost in Connecticut?
$150,000 – $350,000+
Most Connecticut ADU projects fall within this range, but every property is different. We provide clear cost guidance early in the process so there are no surprises later.
ZONING & APPROVALS
Navigating ADU Zoning in Connecticut
Navigating ADU Zoning in Connecticut
Navigating ADU Zoning in Connecticut
Local zoning review
Local zoning review
Local zoning review
Town approvals
Town approvals
Town approvals
Parking & septic considerations
Parking & septic considerations
Parking & septic considerations
Historic & coastal requirements
Historic & coastal requirements
Historic & coastal requirements
Accessory Dwelling Unit regulations vary widely from town to town across Connecticut. Zoning requirements, lot size, parking, septic capacity, and historic or coastal overlays can all affect what’s allowed on your property.
Our team handles the research, coordination, and approvals process—working directly with local zoning officials to ensure your ADU complies with all applicable regulations before design and construction begin.
FAQ
Common Questions
Do all towns allow ADUs?
Can I rent out my ADU?
Do ADUs increase property value?
How long does an ADU take to build?
Do all towns allow ADUs?
Can I rent out my ADU?
Do ADUs increase property value?
How long does an ADU take to build?
Do all towns allow ADUs?
Can I rent out my ADU?
Do ADUs increase property value?
How long does an ADU take to build?
Do all towns allow ADUs?
Can I rent out my ADU?
Do ADUs increase property value?
How long does an ADU take to build?
WHY CHOOSE US
Why Work With Casali Companies?
Why Work With Casali Companies?
Family-owned since 1973, we bring generations of craftsmanship to every custom home, addition, and renovation.
Family-owned since 1973, we bring generations of craftsmanship to every custom home, addition, and renovation.
GET IN TOUCH
Let’s Discuss
Your Project
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Considering an ADU for Your Property?
Considering an ADU for Your Property?
Considering an ADU for Your Property?
Considering an ADU for Your Property?
If you’re planning an accessory dwelling unit (ADU) and are looking for a builder who values quality, clarity, and craftsmanship, we’d be happy to talk.
If you’re planning an accessory dwelling unit (ADU) and are looking for a builder who values quality, clarity, and craftsmanship, we’d be happy to talk.
If you’re planning an accessory dwelling unit (ADU) and are looking for a builder who values quality, clarity, and craftsmanship, we’d be happy to talk.