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What Is a Casita? Everything You Need to Know About This Backyard Living Trend
With housing prices rising and families needing more flexible living space, one term keeps popping up in real estate and home design: casita. But what exactly is a casita—and why is it gaining popularity across the U.S.?
In this article, we’ll break it down in simple terms. Whether you’re a homeowner, investor, or just curious, here’s everything you need to know about casitas.
What Is a Casita?
The word casita comes from Spanish and literally means “little house.” In homebuilding and architecture, a casita refers to a small, detached structure located on the same lot as a main home.
It’s basically a backyard guest house—but with more style and function.
Most casitas include:
A bedroom or studio-style living space
A bathroom
A kitchenette or full kitchen
Separate entrance
Heating, cooling, and plumbing
Some casitas are built from the ground up, while others are prefab units or converted garages.
Casita vs ADU: Are They the Same?
Short answer: Sometimes.
A casita is often considered a type of ADU (Accessory Dwelling Unit), but not all ADUs are called casitas.
Casitas
ADUs
Spanish term meaning "little house"
Official zoning/legal term used by cities
Typically detached
Can be attached, above garage, or basement
Often for guests or family
Can be rented or used for passive income
Stylish, livable design
Must meet building code and city approval
So, while a casita can be an ADU, the term “casita” usually refers to a more livable, personal space—often with a cozy or luxurious touch.
Why Homeowners Are Building Casitas
Casitas offer more than just extra space. Here are some of the top reasons people build them:
1. Guest House
Perfect for visiting family and friends who want privacy and comfort.
2. Rental Income
Turn your backyard into a passive income stream by renting it out short- or long-term.
3. Multi-Generational Living
Ideal for aging parents or adult children who need independence but want to stay close.
4. Home Office or Studio
Create a peaceful, separate space to work, create, or unwind.
5. Retirement Planning
Live in your casita and rent out your main home for income.
How Big Is a Casita?
Most casitas range from 300 to 1,200 square feet. The size depends on:
Your lot size
Local zoning rules
Your intended use (guest space vs rental unit)
Even a small 400-square-foot casita can feel spacious with smart design and an open floor plan.
How Much Does a Casita Cost?
Prices vary widely depending on location, size, and design.
Type
Cost
Garage Conversion
$60,000–$100,000
Prefab Casita
$80,000–$150,000
Custom-Built Casita
$150,000–$300,000+
Stylish, livable design
$150,000–$300,000+
Turnkey Custom ADU Calculator
300
SF
Choose Your ADU Size
Can I Build a Casita on My Property?
If you want:
More living space
Extra income
A better work-from-home setup
A way to support aging family
…then building a casita might be one of the smartest investments you can make
Explore our models and find an ADU that fits your needs. Click Here
Ready to Build a Casita?
If you’re thinking about adding a casita to your property, talk with a builder who specializes in custom backyard homes or ADUs. A good builder will walk you through zoning, permits, design, and construction—making the whole process stress-free.
👉 Want help getting started? Book a free consultation today and find out if your property qualifies for a casita.
Table of Contents
What Is a Casita? Everything You Need to Know About This Backyard Living Trend
With housing prices rising and families needing more flexible living space, one term keeps popping up in real estate and home design: casita. But what exactly is a casita—and why is it gaining popularity across the U.S.?
In this article, we’ll break it down in simple terms. Whether you’re a homeowner, investor, or just curious, here’s everything you need to know about casitas.
What Is a Casita?
The word casita comes from Spanish and literally means “little house.” In homebuilding and architecture, a casita refers to a small, detached structure located on the same lot as a main home.
It’s basically a backyard guest house—but with more style and function.
Most casitas include:
A bedroom or studio-style living space
A bathroom
A kitchenette or full kitchen
Separate entrance
Heating, cooling, and plumbing
Some casitas are built from the ground up, while others are prefab units or converted garages.
Casita vs ADU: Are They the Same?
Short answer: Sometimes.
A casita is often considered a type of ADU (Accessory Dwelling Unit), but not all ADUs are called casitas.
Casitas
ADUs
Spanish term meaning "little house"
Official zoning/legal term used by cities
Typically detached
Can be attached, above garage, or basement
Often for guests or family
Can be rented or used for passive income
Stylish, livable design
Must meet building code and city approval
So, while a casita can be an ADU, the term “casita” usually refers to a more livable, personal space—often with a cozy or luxurious touch.
Why Homeowners Are Building Casitas
Casitas offer more than just extra space. Here are some of the top reasons people build them:
1. Guest House
Perfect for visiting family and friends who want privacy and comfort.
2. Rental Income
Turn your backyard into a passive income stream by renting it out short- or long-term.
3. Multi-Generational Living
Ideal for aging parents or adult children who need independence but want to stay close.
4. Home Office or Studio
Create a peaceful, separate space to work, create, or unwind.
5. Retirement Planning
Live in your casita and rent out your main home for income.
How Big Is a Casita?
Most casitas range from 300 to 1,200 square feet. The size depends on:
Your lot size
Local zoning rules
Your intended use (guest space vs rental unit)
Even a small 400-square-foot casita can feel spacious with smart design and an open floor plan.
How Much Does a Casita Cost?
Prices vary widely depending on location, size, and design.
Type
Cost
Garage Conversion
$60,000–$100,000
Prefab Casita
$80,000–$150,000
Custom-Built Casita
$150,000–$300,000+
Stylish, livable design
$150,000–$300,000+
Turnkey Custom ADU Calculator
300
SF
Choose Your ADU Size
Can I Build a Casita on My Property?
If you want:
-
More living space
-
Extra income
-
A better work-from-home setup
-
A way to support aging family
…then building a casita might be one of the smartest investments you can make
Explore our models and find an ADU that fits your needs. Click Here
Ready to Build a Casita?
If you’re thinking about adding a casita to your property, talk with a builder who specializes in custom backyard homes or ADUs. A good builder will walk you through zoning, permits, design, and construction—making the whole process stress-free.
👉 Want help getting started? Book a free consultation today and find out if your property qualifies for a casita.
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